WIP: Sponge service refactor

sponge/src/main/java/me/lucko/luckperms/sponge/SpongeCalculatorFactory.java

@@ -34,7 +34,6 @@ import me.lucko.luckperms.common.calculators.processors.WildcardProcessor;
 import me.lucko.luckperms.common.core.model.User;
 import me.lucko.luckperms.sponge.calculators.DefaultsProcessor;
 import me.lucko.luckperms.sponge.calculators.SpongeWildcardProcessor;
-import me.lucko.luckperms.sponge.service.LuckPermsService;
 
 @AllArgsConstructor
 public class SpongeCalculatorFactory extends AbstractCalculatorFactory {
@@ -51,7 +50,7 @@ public class SpongeCalculatorFactory extends AbstractCalculatorFactory {
         if (plugin.getConfiguration().isApplyingRegex()) {
             processors.add(new RegexProcessor());
         }
-        processors.add(new DefaultsProcessor(plugin.getService(), LuckPermsService.convertContexts(contexts.getContexts())));
+        processors.add(new DefaultsProcessor(plugin.getService(), contexts.getContexts()));
 
         return registerCalculator(new PermissionCalculator(plugin, user.getName(), processors.build()));
     }

sponge/src/main/java/me/lucko/luckperms/sponge/calculators/DefaultsProcessor.java

@@ -23,34 +23,31 @@
 package me.lucko.luckperms.sponge.calculators;
 
 import lombok.AllArgsConstructor;
+import me.lucko.luckperms.api.Tristate;
+import me.lucko.luckperms.api.context.ContextSet;
 import me.lucko.luckperms.common.calculators.PermissionProcessor;
 import me.lucko.luckperms.sponge.service.LuckPermsService;
-import org.spongepowered.api.service.context.Context;
-import org.spongepowered.api.util.Tristate;
 
 import java.util.Map;
-import java.util.Set;
-
-import static me.lucko.luckperms.sponge.service.LuckPermsService.convertTristate;
 
 @AllArgsConstructor
 public class DefaultsProcessor implements PermissionProcessor {
     private final LuckPermsService service;
-    private final Set<Context> contexts;
+    private final ContextSet contexts;
 
     @Override
-    public me.lucko.luckperms.api.Tristate hasPermission(String permission) {
+    public Tristate hasPermission(String permission) {
-        Tristate t =  service.getUserSubjects().getDefaults().getPermissionValue(contexts, permission);
+        Tristate t =  service.getUserSubjects().getDefaultSubject().resolve(service).getPermissionValue(contexts, permission);
         if (t != Tristate.UNDEFINED) {
-            return convertTristate(t);
+            return t;
         }
 
         Tristate t2 =  service.getDefaults().getPermissionValue(contexts, permission);
         if (t2 != Tristate.UNDEFINED) {
-            return convertTristate(t);
+            return t;
         }
 
-        return me.lucko.luckperms.api.Tristate.UNDEFINED;
+        return Tristate.UNDEFINED;
     }
 
     @Override

sponge/src/main/java/me/lucko/luckperms/sponge/contexts/SpongeCalculatorLink.java

@@ -25,7 +25,7 @@ package me.lucko.luckperms.sponge.contexts;
 import lombok.AllArgsConstructor;
 import me.lucko.luckperms.api.context.ContextCalculator;
 import me.lucko.luckperms.api.context.MutableContextSet;
-import me.lucko.luckperms.sponge.service.LuckPermsService;
+import me.lucko.luckperms.sponge.service.base.Util;
 import org.spongepowered.api.service.context.Context;
 import org.spongepowered.api.service.permission.Subject;
 
@@ -38,11 +38,11 @@ public class SpongeCalculatorLink extends ContextCalculator<Subject> {
 
     @Override
     public MutableContextSet giveApplicableContext(Subject subject, MutableContextSet accumulator) {
-        Set<Context> contexts = LuckPermsService.convertContexts(accumulator);
+        Set<Context> contexts = Util.convertContexts(accumulator);
         calculator.accumulateContexts(subject, contexts);
 
         accumulator.clear();
-        accumulator.addAll(LuckPermsService.convertContexts(contexts));
+        accumulator.addAll(Util.convertContexts(contexts));
         return accumulator;
     }
 

sponge/src/main/java/me/lucko/luckperms/sponge/managers/SpongeGroupManager.java

@@ -30,6 +30,7 @@ import com.google.common.collect.ImmutableMap;
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
 import lombok.NonNull;
+import me.lucko.luckperms.api.Tristate;
 import me.lucko.luckperms.api.context.ContextSet;
 import me.lucko.luckperms.common.core.model.Group;
 import me.lucko.luckperms.common.managers.GroupManager;
@@ -38,18 +39,16 @@ import me.lucko.luckperms.common.utils.ImmutableCollectors;
 import me.lucko.luckperms.sponge.LPSpongePlugin;
 import me.lucko.luckperms.sponge.model.SpongeGroup;
 import me.lucko.luckperms.sponge.service.LuckPermsService;
+import me.lucko.luckperms.sponge.service.base.LPSubject;
+import me.lucko.luckperms.sponge.service.base.LPSubjectCollection;
+import me.lucko.luckperms.sponge.service.references.SubjectReference;
 import me.lucko.luckperms.sponge.timings.LPTiming;
-import org.spongepowered.api.service.context.Context;
 import org.spongepowered.api.service.permission.PermissionService;
-import org.spongepowered.api.service.permission.Subject;
-import org.spongepowered.api.service.permission.SubjectCollection;
-import org.spongepowered.api.service.permission.SubjectData;
-import org.spongepowered.api.util.Tristate;
 
+import java.util.Collection;
 import java.util.Map;
-import java.util.Set;
 
-public class SpongeGroupManager implements GroupManager, SubjectCollection {
+public class SpongeGroupManager implements GroupManager, LPSubjectCollection {
     private final LPSpongePlugin plugin;
 
     private final LoadingCache<String, SpongeGroup> objects = CacheBuilder.newBuilder()
@@ -120,7 +119,12 @@ public class SpongeGroupManager implements GroupManager, SubjectCollection {
     }
 
     @Override
-    public Subject get(@NonNull String id) {
+    public LuckPermsService getService() {
+        return plugin.getService();
+    }
+
+    @Override
+    public LPSubject get(@NonNull String id) {
         // Special Sponge method. This call will actually load the group from the datastore if not already present.
 
         try (Timing ignored = plugin.getTimings().time(LPTiming.GROUP_COLLECTION_GET)) {
@@ -159,26 +163,20 @@ public class SpongeGroupManager implements GroupManager, SubjectCollection {
     }
 
     @Override
-    public Iterable<Subject> getAllSubjects() {
+    public Collection<LPSubject> getSubjects() {
         return objects.asMap().values().stream().map(SpongeGroup::getSpongeData).collect(ImmutableCollectors.toImmutableList());
     }
 
     @Override
-    public Map<Subject, Boolean> getAllWithPermission(@NonNull String id) {
+    public Map<LPSubject, Boolean> getWithPermission(@NonNull ContextSet contexts, @NonNull String node) {
-        return getAllWithPermission(SubjectData.GLOBAL_CONTEXT, id);
-    }
-
-    @Override
-    public Map<Subject, Boolean> getAllWithPermission(@NonNull Set<Context> contexts, @NonNull String node) {
-        ContextSet cs = LuckPermsService.convertContexts(contexts);
         return objects.asMap().values().stream()
                 .map(SpongeGroup::getSpongeData)
-                .filter(sub -> sub.getPermissionValue(cs, node) != Tristate.UNDEFINED)
+                .filter(sub -> sub.getPermissionValue(contexts, node) != Tristate.UNDEFINED)
-                .collect(ImmutableCollectors.toImmutableMap(sub -> sub, sub -> sub.getPermissionValue(cs, node).asBoolean()));
+                .collect(ImmutableCollectors.toImmutableMap(sub -> sub, sub -> sub.getPermissionValue(contexts, node).asBoolean()));
     }
 
     @Override
-    public Subject getDefaults() {
+    public SubjectReference getDefaultSubject() {
-        return plugin.getService().getDefaultSubjects().get(getIdentifier());
+        return SubjectReference.of("defaults", getIdentifier());
     }
 }

sponge/src/main/java/me/lucko/luckperms/sponge/managers/SpongeUserManager.java

@@ -30,6 +30,7 @@ import com.google.common.collect.ImmutableMap;
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
 import lombok.NonNull;
+import me.lucko.luckperms.api.Tristate;
 import me.lucko.luckperms.api.context.ContextSet;
 import me.lucko.luckperms.common.commands.utils.Util;
 import me.lucko.luckperms.common.core.UserIdentifier;
@@ -40,19 +41,18 @@ import me.lucko.luckperms.common.utils.ImmutableCollectors;
 import me.lucko.luckperms.sponge.LPSpongePlugin;
 import me.lucko.luckperms.sponge.model.SpongeUser;
 import me.lucko.luckperms.sponge.service.LuckPermsService;
+import me.lucko.luckperms.sponge.service.base.LPSubject;
+import me.lucko.luckperms.sponge.service.base.LPSubjectCollection;
+import me.lucko.luckperms.sponge.service.references.SubjectReference;
 import me.lucko.luckperms.sponge.timings.LPTiming;
-import org.spongepowered.api.service.context.Context;
 import org.spongepowered.api.service.permission.PermissionService;
-import org.spongepowered.api.service.permission.Subject;
-import org.spongepowered.api.service.permission.SubjectCollection;
-import org.spongepowered.api.service.permission.SubjectData;
-import org.spongepowered.api.util.Tristate;
 
+import java.util.Collection;
 import java.util.Map;
 import java.util.Set;
 import java.util.UUID;
 
-public class SpongeUserManager implements UserManager, SubjectCollection {
+public class SpongeUserManager implements UserManager, LPSubjectCollection {
     private final LPSpongePlugin plugin;
 
     private final LoadingCache<UserIdentifier, SpongeUser> objects = CacheBuilder.newBuilder()
@@ -170,7 +170,12 @@ public class SpongeUserManager implements UserManager, SubjectCollection {
     }
 
     @Override
-    public Subject get(@NonNull String id) {
+    public LuckPermsService getService() {
+        return plugin.getService();
+    }
+
+    @Override
+    public LPSubject get(@NonNull String id) {
         // Special Sponge method. This call will actually load the user from the datastore if not already present.
 
         try (Timing ignored = plugin.getTimings().time(LPTiming.USER_COLLECTION_GET)) {
@@ -217,26 +222,20 @@ public class SpongeUserManager implements UserManager, SubjectCollection {
     }
 
     @Override
-    public Iterable<Subject> getAllSubjects() {
+    public Collection<LPSubject> getSubjects() {
         return objects.asMap().values().stream().map(SpongeUser::getSpongeData).collect(ImmutableCollectors.toImmutableList());
     }
 
     @Override
-    public Map<Subject, Boolean> getAllWithPermission(@NonNull String id) {
+    public Map<LPSubject, Boolean> getWithPermission(@NonNull ContextSet contexts, @NonNull String node) {
-        return getAllWithPermission(SubjectData.GLOBAL_CONTEXT, id);
-    }
-
-    @Override
-    public Map<Subject, Boolean> getAllWithPermission(@NonNull Set<Context> contexts, @NonNull String node) {
-        ContextSet cs = LuckPermsService.convertContexts(contexts);
         return objects.asMap().values().stream()
                 .map(SpongeUser::getSpongeData)
-                .filter(sub -> sub.getPermissionValue(cs, node) != Tristate.UNDEFINED)
+                .filter(sub -> sub.getPermissionValue(contexts, node) != Tristate.UNDEFINED)
-                .collect(ImmutableCollectors.toImmutableMap(sub -> sub, sub -> sub.getPermissionValue(cs, node).asBoolean()));
+                .collect(ImmutableCollectors.toImmutableMap(sub -> sub, sub -> sub.getPermissionValue(contexts, node).asBoolean()));
     }
 
     @Override
-    public Subject getDefaults() {
+    public SubjectReference getDefaultSubject() {
-        return plugin.getService().getDefaultSubjects().get(getIdentifier());
+        return SubjectReference.of("defaults", getIdentifier());
     }
 }

sponge/src/main/java/me/lucko/luckperms/sponge/migration/MigrationUtils.java

@@ -29,7 +29,7 @@ import me.lucko.luckperms.common.core.NodeFactory;
 import me.lucko.luckperms.common.core.model.PermissionHolder;
 import me.lucko.luckperms.common.utils.ExtractedContexts;
 import me.lucko.luckperms.exceptions.ObjectAlreadyHasException;
-import me.lucko.luckperms.sponge.service.LuckPermsService;
+import me.lucko.luckperms.sponge.service.base.Util;
 import org.spongepowered.api.service.context.Context;
 import org.spongepowered.api.service.permission.PermissionService;
 import org.spongepowered.api.service.permission.Subject;
@@ -47,7 +47,7 @@ public class MigrationUtils {
         // Migrate permissions
         Map<Set<Context>, Map<String, Boolean>> perms = subject.getSubjectData().getAllPermissions();
         for (Map.Entry<Set<Context>, Map<String, Boolean>> e : perms.entrySet()) {
-            ContextSet context = LuckPermsService.convertContexts(e.getKey());
+            ContextSet context = Util.convertContexts(e.getKey());
 
             ExtractedContexts extractedContexts = ExtractedContexts.generate(context);
             ContextSet contexts = extractedContexts.getContextSet();
@@ -65,7 +65,7 @@ public class MigrationUtils {
         try {
             Map<Set<Context>, Map<String, String>> opts = subject.getSubjectData().getAllOptions();
             for (Map.Entry<Set<Context>, Map<String, String>> e : opts.entrySet()) {
-                ContextSet context = LuckPermsService.convertContexts(e.getKey());
+                ContextSet context = Util.convertContexts(e.getKey());
 
                 ExtractedContexts extractedContexts = ExtractedContexts.generate(context);
                 ContextSet contexts = extractedContexts.getContextSet();
@@ -96,7 +96,7 @@ public class MigrationUtils {
         // Migrate parents
         Map<Set<Context>, List<Subject>> parents = subject.getSubjectData().getAllParents();
         for (Map.Entry<Set<Context>, List<Subject>> e : parents.entrySet()) {
-            ContextSet context = LuckPermsService.convertContexts(e.getKey());
+            ContextSet context = Util.convertContexts(e.getKey());
 
             ExtractedContexts extractedContexts = ExtractedContexts.generate(context);
             ContextSet contexts = extractedContexts.getContextSet();

sponge/src/main/java/me/lucko/luckperms/sponge/model/SpongeGroup.java

@@ -23,28 +23,30 @@
 package me.lucko.luckperms.sponge.model;
 
 import co.aikar.timings.Timing;
-import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableSet;
 import lombok.Getter;
 import me.lucko.luckperms.api.LocalizedNode;
 import me.lucko.luckperms.api.MetaUtils;
 import me.lucko.luckperms.api.Node;
+import me.lucko.luckperms.api.Tristate;
 import me.lucko.luckperms.api.context.ContextSet;
 import me.lucko.luckperms.common.core.model.Group;
 import me.lucko.luckperms.common.utils.ExtractedContexts;
 import me.lucko.luckperms.sponge.LPSpongePlugin;
 import me.lucko.luckperms.sponge.service.LuckPermsService;
-import me.lucko.luckperms.sponge.service.LuckPermsSubject;
 import me.lucko.luckperms.sponge.service.LuckPermsSubjectData;
+import me.lucko.luckperms.sponge.service.base.LPSubject;
+import me.lucko.luckperms.sponge.service.base.Util;
+import me.lucko.luckperms.sponge.service.references.SubjectCollectionReference;
+import me.lucko.luckperms.sponge.service.references.SubjectReference;
 import me.lucko.luckperms.sponge.timings.LPTiming;
 import org.spongepowered.api.command.CommandSource;
 import org.spongepowered.api.service.permission.NodeTree;
-import org.spongepowered.api.service.permission.Subject;
+import org.spongepowered.api.service.permission.PermissionService;
-import org.spongepowered.api.service.permission.SubjectCollection;
-import org.spongepowered.api.util.Tristate;
 
-import java.util.List;
 import java.util.Map;
 import java.util.Optional;
+import java.util.Set;
 import java.util.stream.Collectors;
 
 public class SpongeGroup extends Group {
@@ -57,7 +59,7 @@ public class SpongeGroup extends Group {
         this.spongeData = new GroupSubject(plugin, this);
     }
 
-    public static class GroupSubject extends LuckPermsSubject {
+    public static class GroupSubject implements LPSubject {
         private final SpongeGroup parent;
         private final LPSpongePlugin plugin;
 
@@ -79,59 +81,71 @@ public class SpongeGroup extends Group {
             return parent.getObjectName();
         }
 
+        @Override
+        public Optional<String> getFriendlyIdentifier() {
+            return Optional.of(parent.getFriendlyName());
+        }
+
         @Override
         public Optional<CommandSource> getCommandSource() {
             return Optional.empty();
         }
 
         @Override
-        public SubjectCollection getContainingCollection() {
+        public SubjectCollectionReference getParentCollection() {
-            return plugin.getService().getGroupSubjects();
+            return plugin.getService().getGroupSubjects().toReference();
+        }
+
+        @Override
+        public LuckPermsService getService() {
+            return plugin.getService();
         }
 
         @Override
         public Tristate getPermissionValue(ContextSet contexts, String permission) {
             try (Timing ignored = plugin.getTimings().time(LPTiming.GROUP_GET_PERMISSION_VALUE)) {
+                // TODO move this away from NodeTree
                 Map<String, Boolean> permissions = parent.getAllNodesFiltered(ExtractedContexts.generate(plugin.getService().calculateContexts(contexts))).stream()
                         .map(LocalizedNode::getNode)
                         .collect(Collectors.toMap(Node::getPermission, Node::getValue));
 
-                Tristate t = NodeTree.of(permissions).get(permission);
+                Tristate t = Util.convertTristate(NodeTree.of(permissions).get(permission));
                 if (t != Tristate.UNDEFINED) {
                     return t;
                 }
 
-                t = plugin.getService().getGroupSubjects().getDefaults().getPermissionValue(LuckPermsService.convertContexts(contexts), permission);
+                t = plugin.getService().getGroupSubjects().getDefaultSubject().resolve(getService()).getPermissionValue(contexts, permission);
                 if (t != Tristate.UNDEFINED) {
                     return t;
                 }
 
-                t = plugin.getService().getDefaults().getPermissionValue(LuckPermsService.convertContexts(contexts), permission);
+                t = plugin.getService().getDefaults().getPermissionValue(contexts, permission);
                 return t;
             }
         }
 
         @Override
-        public boolean isChildOf(ContextSet contexts, Subject parent) {
+        public boolean isChildOf(ContextSet contexts, SubjectReference parent) {
             try (Timing ignored = plugin.getTimings().time(LPTiming.GROUP_IS_CHILD_OF)) {
-                return parent instanceof SpongeGroup && getPermissionValue(contexts, "group." + parent.getIdentifier()).asBoolean();
+                return parent.getCollection().equals(PermissionService.SUBJECTS_GROUP) && getPermissionValue(contexts, "group." + parent.getIdentifier()).asBoolean();
             }
         }
 
         @Override
-        public List<Subject> getParents(ContextSet contexts) {
+        public Set<SubjectReference> getParents(ContextSet contexts) {
             try (Timing ignored = plugin.getTimings().time(LPTiming.GROUP_GET_PARENTS)) {
-                List<Subject> subjects = parent.getAllNodesFiltered(ExtractedContexts.generate(plugin.getService().calculateContexts(contexts))).stream()
+                Set<SubjectReference> subjects = parent.getAllNodesFiltered(ExtractedContexts.generate(plugin.getService().calculateContexts(contexts))).stream()
                         .map(LocalizedNode::getNode)
                         .filter(Node::isGroupNode)
                         .map(Node::getGroupName)
                         .map(s -> plugin.getService().getGroupSubjects().get(s))
-                        .collect(Collectors.toList());
+                        .map(LPSubject::toReference)
+                        .collect(Collectors.toSet());
 
-                subjects.addAll(plugin.getService().getGroupSubjects().getDefaults().getParents(LuckPermsService.convertContexts(contexts)));
+                subjects.addAll(plugin.getService().getGroupSubjects().getDefaultSubject().resolve(getService()).getParents(contexts));
-                subjects.addAll(plugin.getService().getDefaults().getParents(LuckPermsService.convertContexts(contexts)));
+                subjects.addAll(plugin.getService().getDefaults().getParents(contexts));
 
-                return ImmutableList.copyOf(subjects);
+                return ImmutableSet.copyOf(subjects);
             }
         }
 
@@ -153,12 +167,12 @@ public class SpongeGroup extends Group {
                     return option;
                 }
 
-                option = plugin.getService().getGroupSubjects().getDefaults().getOption(LuckPermsService.convertContexts(contexts), s);
+                option = plugin.getService().getGroupSubjects().getDefaultSubject().resolve(getService()).getOption(contexts, s);
                 if (option.isPresent()) {
                     return option;
                 }
 
-                return plugin.getService().getDefaults().getOption(LuckPermsService.convertContexts(contexts), s);
+                return plugin.getService().getDefaults().getOption(contexts, s);
             }
         }
 

sponge/src/main/java/me/lucko/luckperms/sponge/model/SpongeUser.java

@@ -23,25 +23,26 @@
 package me.lucko.luckperms.sponge.model;
 
 import co.aikar.timings.Timing;
-import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableSet;
 import lombok.Getter;
+import me.lucko.luckperms.api.Tristate;
 import me.lucko.luckperms.api.caching.MetaData;
 import me.lucko.luckperms.api.context.ContextSet;
 import me.lucko.luckperms.common.core.model.User;
 import me.lucko.luckperms.sponge.LPSpongePlugin;
 import me.lucko.luckperms.sponge.service.LuckPermsService;
-import me.lucko.luckperms.sponge.service.LuckPermsSubject;
 import me.lucko.luckperms.sponge.service.LuckPermsSubjectData;
+import me.lucko.luckperms.sponge.service.base.LPSubject;
+import me.lucko.luckperms.sponge.service.references.SubjectCollectionReference;
+import me.lucko.luckperms.sponge.service.references.SubjectReference;
 import me.lucko.luckperms.sponge.timings.LPTiming;
 import org.spongepowered.api.Sponge;
 import org.spongepowered.api.command.CommandSource;
 import org.spongepowered.api.entity.living.player.Player;
-import org.spongepowered.api.service.permission.Subject;
+import org.spongepowered.api.service.permission.PermissionService;
-import org.spongepowered.api.service.permission.SubjectCollection;
-import org.spongepowered.api.util.Tristate;
 
-import java.util.List;
 import java.util.Optional;
+import java.util.Set;
 import java.util.UUID;
 
 public class SpongeUser extends User {
@@ -59,7 +60,7 @@ public class SpongeUser extends User {
         this.spongeData = new UserSubject(plugin, this);
     }
 
-    public static class UserSubject extends LuckPermsSubject {
+    public static class UserSubject implements LPSubject {
         private final SpongeUser parent;
         private final LPSpongePlugin plugin;
 
@@ -98,8 +99,13 @@ public class SpongeUser extends User {
         }
 
         @Override
-        public SubjectCollection getContainingCollection() {
+        public SubjectCollectionReference getParentCollection() {
-            return plugin.getService().getUserSubjects();
+            return plugin.getService().getUserSubjects().toReference();
+        }
+
+        @Override
+        public LuckPermsService getService() {
+            return plugin.getService();
         }
 
         @Override
@@ -109,21 +115,21 @@ public class SpongeUser extends User {
                     return Tristate.UNDEFINED;
                 }
 
-                return LuckPermsService.convertTristate(parent.getUserData().getPermissionData(plugin.getService().calculateContexts(contexts)).getPermissionValue(permission));
+                return parent.getUserData().getPermissionData(plugin.getService().calculateContexts(contexts)).getPermissionValue(permission);
             }
         }
 
         @Override
-        public boolean isChildOf(ContextSet contexts, Subject parent) {
+        public boolean isChildOf(ContextSet contexts, SubjectReference parent) {
             try (Timing ignored = plugin.getTimings().time(LPTiming.USER_IS_CHILD_OF)) {
-                return parent instanceof SpongeGroup && getPermissionValue(contexts, "group." + parent.getIdentifier()).asBoolean();
+                return parent.getCollection().equals(PermissionService.SUBJECTS_GROUP) && getPermissionValue(contexts, "group." + parent.getIdentifier()).asBoolean();
             }
         }
 
         @Override
-        public List<Subject> getParents(ContextSet contexts) {
+        public Set<SubjectReference> getParents(ContextSet contexts) {
             try (Timing ignored = plugin.getTimings().time(LPTiming.USER_GET_PARENTS)) {
-                ImmutableList.Builder<Subject> subjects = ImmutableList.builder();
+                ImmutableSet.Builder<SubjectReference> subjects = ImmutableSet.builder();
 
                 if (hasData()) {
                     for (String perm : parent.getUserData().getPermissionData(plugin.getService().calculateContexts(contexts)).getImmutableBacking().keySet()) {
@@ -133,13 +139,13 @@ public class SpongeUser extends User {
 
                         String groupName = perm.substring("group.".length());
                         if (plugin.getGroupManager().isLoaded(groupName)) {
-                            subjects.add(plugin.getService().getGroupSubjects().get(groupName));
+                            subjects.add(plugin.getService().getGroupSubjects().get(groupName).toReference());
                         }
                     }
                 }
 
-                subjects.addAll(plugin.getService().getUserSubjects().getDefaults().getParents(LuckPermsService.convertContexts(contexts)));
+                subjects.addAll(plugin.getService().getUserSubjects().getDefaultSubject().resolve(getService()).getParents(contexts));
-                subjects.addAll(plugin.getService().getDefaults().getParents(LuckPermsService.convertContexts(contexts)));
+                subjects.addAll(plugin.getService().getDefaults().getParents(contexts));
 
                 return subjects.build();
             }
@@ -167,12 +173,12 @@ public class SpongeUser extends User {
                     }
                 }
 
-                Optional<String> v = plugin.getService().getUserSubjects().getDefaults().getOption(LuckPermsService.convertContexts(contexts), s);
+                Optional<String> v = plugin.getService().getUserSubjects().getDefaultSubject().resolve(getService()).getOption(contexts, s);
                 if (v.isPresent()) {
                     return v;
                 }
 
-                return plugin.getService().getDefaults().getOption(LuckPermsService.convertContexts(contexts), s);
+                return plugin.getService().getDefaults().getOption(contexts, s);
             }
         }
 
@@ -184,5 +190,4 @@ public class SpongeUser extends User {
         }
     }
 
-
 }

sponge/src/main/java/me/lucko/luckperms/sponge/service/LuckPermsService.java

@@ -28,31 +28,40 @@ import com.google.common.cache.CacheLoader;
 import com.google.common.cache.LoadingCache;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.ImmutableSet;
-import com.google.common.collect.Maps;
+import com.google.common.collect.MapMaker;
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
 import lombok.*;
 import me.lucko.luckperms.api.Contexts;
+import me.lucko.luckperms.api.Tristate;
 import me.lucko.luckperms.api.context.ContextSet;
+import me.lucko.luckperms.common.utils.ImmutableCollectors;
 import me.lucko.luckperms.sponge.LPSpongePlugin;
 import me.lucko.luckperms.sponge.contexts.SpongeCalculatorLink;
 import me.lucko.luckperms.sponge.managers.SpongeGroupManager;
 import me.lucko.luckperms.sponge.managers.SpongeUserManager;
+import me.lucko.luckperms.sponge.service.base.LPSubject;
+import me.lucko.luckperms.sponge.service.base.LPSubjectCollection;
+import me.lucko.luckperms.sponge.service.base.LPSubjectData;
+import me.lucko.luckperms.sponge.service.calculated.OptionLookup;
+import me.lucko.luckperms.sponge.service.calculated.PermissionLookup;
 import me.lucko.luckperms.sponge.service.persisted.PersistedCollection;
 import me.lucko.luckperms.sponge.service.persisted.SubjectStorage;
+import me.lucko.luckperms.sponge.service.references.SubjectReference;
 import me.lucko.luckperms.sponge.service.simple.SimpleCollection;
 import me.lucko.luckperms.sponge.timings.LPTiming;
 import org.spongepowered.api.plugin.PluginContainer;
 import org.spongepowered.api.service.context.Context;
 import org.spongepowered.api.service.context.ContextCalculator;
-import org.spongepowered.api.service.permission.*;
+import org.spongepowered.api.service.permission.PermissionDescription;
+import org.spongepowered.api.service.permission.PermissionService;
+import org.spongepowered.api.service.permission.Subject;
+import org.spongepowered.api.service.permission.SubjectCollection;
 import org.spongepowered.api.text.Text;
-import org.spongepowered.api.util.Tristate;
 
 import java.io.File;
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
-import java.util.stream.Collectors;
 
 /**
  * The LuckPerms implementation of the Sponge Permission Service
@@ -70,16 +79,20 @@ public class LuckPermsService implements PermissionService {
     private final PersistedCollection defaultSubjects;
     private final Set<PermissionDescription> descriptionSet;
 
+    private final Set<LoadingCache<PermissionLookup, Tristate>> localPermissionCaches;
+    private final Set<LoadingCache<Set<Context>, List<SubjectReference>>> localParentCaches;
+    private final Set<LoadingCache<OptionLookup, Optional<String>>> localOptionCaches;
+
     @Getter(value = AccessLevel.NONE)
-    private final LoadingCache<String, SubjectCollection> collections = CacheBuilder.newBuilder()
+    private final LoadingCache<String, LPSubjectCollection> collections = CacheBuilder.newBuilder()
-            .build(new CacheLoader<String, SubjectCollection>() {
+            .build(new CacheLoader<String, LPSubjectCollection>() {
                 @Override
-                public SubjectCollection load(String s) {
+                public LPSubjectCollection load(String s) {
                     return new SimpleCollection(LuckPermsService.this, s);
                 }
 
                 @Override
-                public ListenableFuture<SubjectCollection> reload(String s, SubjectCollection collection) {
+                public ListenableFuture<LPSubjectCollection> reload(String s, LPSubjectCollection collection) {
                     return Futures.immediateFuture(collection); // Never needs to be refreshed.
                 }
             });
@@ -87,6 +100,10 @@ public class LuckPermsService implements PermissionService {
     public LuckPermsService(LPSpongePlugin plugin) {
         this.plugin = plugin;
 
+        localPermissionCaches = Collections.newSetFromMap(new MapMaker().weakKeys().makeMap());
+        localParentCaches = Collections.newSetFromMap(new MapMaker().weakKeys().makeMap());
+        localOptionCaches = Collections.newSetFromMap(new MapMaker().weakKeys().makeMap());
+
         storage = new SubjectStorage(new File(plugin.getDataFolder(), "local"));
 
         userSubjects = plugin.getUserManager();
@@ -105,25 +122,30 @@ public class LuckPermsService implements PermissionService {
         descriptionSet = ConcurrentHashMap.newKeySet();
     }
 
-    public SubjectData getDefaultData() {
+    public LPSubjectData getDefaultData() {
         return getDefaults().getSubjectData();
     }
 
     @Override
-    public Subject getDefaults() {
+    public LPSubject getDefaults() {
         return getDefaultSubjects().get("default");
     }
 
     @Override
-    public SubjectCollection getSubjects(String s) {
+    public LPSubjectCollection getSubjects(String s) {
         try (Timing ignored = plugin.getTimings().time(LPTiming.GET_SUBJECTS)) {
             return collections.getUnchecked(s.toLowerCase());
         }
     }
 
+    public Map<String, LPSubjectCollection> getCollections() {
+        return ImmutableMap.copyOf(collections.asMap());
+    }
+
+    @Deprecated
     @Override
     public Map<String, SubjectCollection> getKnownSubjects() {
-        return ImmutableMap.copyOf(collections.asMap());
+        return getCollections().entrySet().stream().collect(ImmutableCollectors.toImmutableMap(Map.Entry::getKey, Map.Entry::getValue));
     }
 
     @Override
@@ -169,36 +191,6 @@ public class LuckPermsService implements PermissionService {
         );
     }
 
-    public static ContextSet convertContexts(Set<Context> contexts) {
-        return ContextSet.fromEntries(contexts.stream().map(c -> Maps.immutableEntry(c.getKey(), c.getValue())).collect(Collectors.toSet()));
-    }
-
-    public static Set<Context> convertContexts(ContextSet contexts) {
-        return contexts.toSet().stream().map(e -> new Context(e.getKey(), e.getValue())).collect(Collectors.toSet());
-    }
-
-    public static Tristate convertTristate(me.lucko.luckperms.api.Tristate tristate) {
-        switch (tristate) {
-            case TRUE:
-                return Tristate.TRUE;
-            case FALSE:
-                return Tristate.FALSE;
-            default:
-                return Tristate.UNDEFINED;
-        }
-    }
-
-    public static me.lucko.luckperms.api.Tristate convertTristate(Tristate tristate) {
-        switch (tristate) {
-            case TRUE:
-                return me.lucko.luckperms.api.Tristate.TRUE;
-            case FALSE:
-                return me.lucko.luckperms.api.Tristate.FALSE;
-            default:
-                return me.lucko.luckperms.api.Tristate.UNDEFINED;
-        }
-    }
-
     @RequiredArgsConstructor
     @EqualsAndHashCode
     @ToString
@@ -241,10 +233,10 @@ public class LuckPermsService implements PermissionService {
             service.getDescriptionSet().add(d);
 
             // Set role-templates
-            SubjectCollection subjects = service.getSubjects(PermissionService.SUBJECTS_ROLE_TEMPLATE);
+            LPSubjectCollection subjects = service.getSubjects(PermissionService.SUBJECTS_ROLE_TEMPLATE);
             for (Map.Entry<String, Tristate> assignment : roles.entrySet()) {
-                Subject subject = subjects.get(assignment.getKey());
+                LPSubject subject = subjects.get(assignment.getKey());
-                subject.getTransientSubjectData().setPermission(SubjectData.GLOBAL_CONTEXT, id, assignment.getValue());
+                subject.getTransientSubjectData().setPermission(ContextSet.empty(), id, assignment.getValue());
             }
 
             service.getPlugin().getPermissionCache().offer(id);

sponge/src/main/java/me/lucko/luckperms/sponge/service/LuckPermsSubject.java

@@ -1,104 +0,0 @@
-/*
- * Copyright (c) 2016 Lucko (Luck) <luck@lucko.me>
- *
- *  Permission is hereby granted, free of charge, to any person obtaining a copy
- *  of this software and associated documentation files (the "Software"), to deal
- *  in the Software without restriction, including without limitation the rights
- *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- *  copies of the Software, and to permit persons to whom the Software is
- *  furnished to do so, subject to the following conditions:
- *
- *  The above copyright notice and this permission notice shall be included in all
- *  copies or substantial portions of the Software.
- *
- *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- *  SOFTWARE.
- */
-
-package me.lucko.luckperms.sponge.service;
-
-import com.google.common.collect.ImmutableSet;
-import lombok.NonNull;
-import me.lucko.luckperms.api.context.ContextSet;
-import org.spongepowered.api.service.context.Context;
-import org.spongepowered.api.service.permission.Subject;
-import org.spongepowered.api.util.Tristate;
-
-import java.util.List;
-import java.util.Optional;
-import java.util.Set;
-
-public abstract class LuckPermsSubject implements Subject {
-
-    public abstract Tristate getPermissionValue(ContextSet contexts, String permission);
-    public abstract boolean isChildOf(ContextSet contexts, Subject parent);
-    public abstract List<Subject> getParents(ContextSet contexts);
-    public abstract Optional<String> getOption(ContextSet contexts, String s);
-    public abstract ContextSet getActiveContextSet();
-
-    @Override
-    @Deprecated
-    public Tristate getPermissionValue(@NonNull Set<Context> contexts, @NonNull String permission) {
-        return getPermissionValue(LuckPermsService.convertContexts(contexts), permission);
-    }
-
-    @Override
-    @Deprecated
-    public boolean hasPermission(@NonNull Set<Context> contexts, @NonNull String permission) {
-        return getPermissionValue(LuckPermsService.convertContexts(contexts), permission).asBoolean();
-    }
-
-    @Override
-    @Deprecated
-    public boolean hasPermission(@NonNull String permission) {
-        return getPermissionValue(getActiveContextSet(), permission).asBoolean();
-    }
-
-    @Override
-    @Deprecated
-    public boolean isChildOf(@NonNull Set<Context> contexts, @NonNull Subject parent) {
-        return isChildOf(LuckPermsService.convertContexts(contexts), parent);
-    }
-
-    @Override
-    @Deprecated
-    public boolean isChildOf(@NonNull Subject parent) {
-        return isChildOf(getActiveContextSet(), parent);
-    }
-
-    @Override
-    @Deprecated
-    public List<Subject> getParents(@NonNull Set<Context> contexts) {
-        return getParents(LuckPermsService.convertContexts(contexts));
-    }
-
-    @Override
-    @Deprecated
-    public List<Subject> getParents() {
-        return getParents(getActiveContextSet());
-    }
-
-    @Override
-    @Deprecated
-    public Optional<String> getOption(@NonNull Set<Context> contexts, @NonNull String s) {
-        return getOption(LuckPermsService.convertContexts(contexts), s);
-    }
-
-    @Override
-    @Deprecated
-    public Optional<String> getOption(@NonNull String key) {
-        return getOption(getActiveContextSet(), key);
-    }
-
-    @Override
-    @Deprecated
-    public Set<Context> getActiveContexts() {
-        return ImmutableSet.copyOf(LuckPermsService.convertContexts(getActiveContextSet()));
-    }
-
-}

sponge/src/main/java/me/lucko/luckperms/sponge/service/LuckPermsSubjectData.java

@@ -23,14 +23,15 @@
 package me.lucko.luckperms.sponge.service;
 
 import co.aikar.timings.Timing;
-import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.ImmutableSet;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NonNull;
 import me.lucko.luckperms.api.Node;
+import me.lucko.luckperms.api.Tristate;
 import me.lucko.luckperms.api.context.ContextSet;
+import me.lucko.luckperms.api.context.MutableContextSet;
 import me.lucko.luckperms.common.core.NodeBuilder;
 import me.lucko.luckperms.common.core.NodeFactory;
 import me.lucko.luckperms.common.core.model.Group;
@@ -39,18 +40,19 @@ import me.lucko.luckperms.common.core.model.User;
 import me.lucko.luckperms.exceptions.ObjectAlreadyHasException;
 import me.lucko.luckperms.exceptions.ObjectLacksException;
 import me.lucko.luckperms.sponge.model.SpongeGroup;
+import me.lucko.luckperms.sponge.service.base.LPSubject;
+import me.lucko.luckperms.sponge.service.base.LPSubjectData;
+import me.lucko.luckperms.sponge.service.references.SubjectReference;
 import me.lucko.luckperms.sponge.timings.LPTiming;
 import org.spongepowered.api.service.context.Context;
-import org.spongepowered.api.service.permission.Subject;
+import org.spongepowered.api.service.permission.PermissionService;
-import org.spongepowered.api.service.permission.SubjectData;
-import org.spongepowered.api.util.Tristate;
 
 import java.util.*;
 import java.util.stream.Collectors;
 
 @SuppressWarnings({"OptionalGetWithoutIsPresent", "unused"})
 @AllArgsConstructor
-public class LuckPermsSubjectData implements SubjectData {
+public class LuckPermsSubjectData implements LPSubjectData {
     private final boolean enduring;
     private final LuckPermsService service;
 
@@ -69,12 +71,17 @@ public class LuckPermsSubjectData implements SubjectData {
     }
 
     @Override
-    public Map<Set<Context>, Map<String, Boolean>> getAllPermissions() {
+    public LPSubject getParentSubject() {
+        return null;
+    }
+
+    @Override
+    public Map<ContextSet, Map<String, Boolean>> getPermissions() {
         try (Timing ignored = service.getPlugin().getTimings().time(LPTiming.LP_SUBJECT_GET_PERMISSIONS)) {
-            Map<Set<Context>, Map<String, Boolean>> perms = new HashMap<>();
+            Map<ContextSet, Map<String, Boolean>> perms = new HashMap<>();
 
             for (Node n : enduring ? holder.getNodes() : holder.getTransientNodes()) {
-                Set<Context> contexts = LuckPermsService.convertContexts(n.getContexts());
+                MutableContextSet contexts = MutableContextSet.fromSet(n.getContexts());
 
                 if (n.isServerSpecific()) {
                     contexts.add(new Context(LuckPermsService.SERVER_CONTEXT, n.getServer().get()));
@@ -85,41 +92,32 @@ public class LuckPermsSubjectData implements SubjectData {
                 }
 
                 if (!perms.containsKey(contexts)) {
-                    perms.put(contexts, new HashMap<>());
+                    perms.put(contexts.makeImmutable(), new HashMap<>());
                 }
 
                 perms.get(contexts).put(n.getPermission(), n.getValue());
             }
 
-            ImmutableMap.Builder<Set<Context>, Map<String, Boolean>> map = ImmutableMap.builder();
+            ImmutableMap.Builder<ContextSet, Map<String, Boolean>> map = ImmutableMap.builder();
-            for (Map.Entry<Set<Context>, Map<String, Boolean>> e : perms.entrySet()) {
+            for (Map.Entry<ContextSet, Map<String, Boolean>> e : perms.entrySet()) {
-                map.put(ImmutableSet.copyOf(e.getKey()), ImmutableMap.copyOf(e.getValue()));
+                map.put(e.getKey().makeImmutable(), ImmutableMap.copyOf(e.getValue()));
             }
             return map.build();
         }
     }
 
     @Override
-    public Map<String, Boolean> getPermissions(@NonNull Set<Context> contexts) {
+    public boolean setPermission(@NonNull ContextSet contexts, @NonNull String permission, @NonNull Tristate tristate) {
-        return getAllPermissions().getOrDefault(contexts, ImmutableMap.of());
-    }
-
-    @Override
-    public boolean setPermission(@NonNull Set<Context> contexts, @NonNull String permission, @NonNull Tristate tristate) {
         try (Timing i = service.getPlugin().getTimings().time(LPTiming.LP_SUBJECT_SET_PERMISSION)) {
             if (tristate == Tristate.UNDEFINED) {
                 // Unset
-                Node.Builder builder = new NodeBuilder(permission);
+                Node node = new NodeBuilder(permission).withExtraContext(contexts).build();
-
-                for (Context ct : contexts) {
-                    builder.withExtraContext(ct.getKey(), ct.getValue());
-                }
 
                 try {
                     if (enduring) {
-                        holder.unsetPermission(builder.build());
+                        holder.unsetPermission(node);
                     } else {
-                        holder.unsetTransientPermission(builder.build());
+                        holder.unsetTransientPermission(node);
                     }
                 } catch (ObjectLacksException ignored) {}
 
@@ -127,14 +125,7 @@ public class LuckPermsSubjectData implements SubjectData {
                 return true;
             }
 
-            Node.Builder builder = new NodeBuilder(permission)
+            Node node = new NodeBuilder(permission).setValue(tristate.asBoolean()).withExtraContext(contexts).build();
-                    .setValue(tristate.asBoolean());
-
-            for (Context ct : contexts) {
-                builder.withExtraContext(ct.getKey(), ct.getValue());
-            }
-
-            Node node = builder.build();
 
             // Workaround: unset the inverse, to allow false -> true, true -> false overrides.
             try {
@@ -172,11 +163,11 @@ public class LuckPermsSubjectData implements SubjectData {
     }
 
     @Override
-    public boolean clearPermissions(@NonNull Set<Context> c) {
+    public boolean clearPermissions(@NonNull ContextSet c) {
         try (Timing i = service.getPlugin().getTimings().time(LPTiming.LP_SUBJECT_CLEAR_PERMISSIONS)) {
             List<Node> toRemove = new ArrayList<>();
             for (Node n : enduring ? holder.getNodes() : holder.getTransientNodes()) {
-                Set<Context> contexts = LuckPermsService.convertContexts(n.getContexts());
+                MutableContextSet contexts = MutableContextSet.fromSet(n.getContexts());
 
                 if (n.isServerSpecific()) {
                     contexts.add(new Context(LuckPermsService.SERVER_CONTEXT, n.getServer().get()));
@@ -211,16 +202,16 @@ public class LuckPermsSubjectData implements SubjectData {
     }
 
     @Override
-    public Map<Set<Context>, List<Subject>> getAllParents() {
+    public Map<ContextSet, Set<SubjectReference>> getParents() {
         try (Timing ignored = service.getPlugin().getTimings().time(LPTiming.LP_SUBJECT_GET_PARENTS)) {
-            Map<Set<Context>, List<Subject>> parents = new HashMap<>();
+            Map<ContextSet, Set<SubjectReference>> parents = new HashMap<>();
 
             for (Node n : enduring ? holder.getNodes() : holder.getTransientNodes()) {
                 if (!n.isGroupNode()) {
                     continue;
                 }
 
-                Set<Context> contexts = LuckPermsService.convertContexts(n.getContexts());
+                MutableContextSet contexts = MutableContextSet.fromSet(n.getContexts());
 
                 if (n.isServerSpecific()) {
                     contexts.add(new Context(LuckPermsService.SERVER_CONTEXT, n.getServer().get()));
@@ -231,31 +222,25 @@ public class LuckPermsSubjectData implements SubjectData {
                 }
 
                 if (!parents.containsKey(contexts)) {
-                    parents.put(contexts, new ArrayList<>());
+                    parents.put(contexts.makeImmutable(), new HashSet<>());
                 }
 
-                parents.get(contexts).add(service.getGroupSubjects().get(n.getGroupName()));
+                parents.get(contexts).add(service.getGroupSubjects().get(n.getGroupName()).toReference());
             }
 
-            ImmutableMap.Builder<Set<Context>, List<Subject>> map = ImmutableMap.builder();
+            ImmutableMap.Builder<ContextSet, Set<SubjectReference>> map = ImmutableMap.builder();
-            for (Map.Entry<Set<Context>, List<Subject>> e : parents.entrySet()) {
+            for (Map.Entry<ContextSet, Set<SubjectReference>> e : parents.entrySet()) {
-                map.put(ImmutableSet.copyOf(e.getKey()), ImmutableList.copyOf(e.getValue()));
+                map.put(e.getKey().makeImmutable(), ImmutableSet.copyOf(e.getValue()));
             }
             return map.build();
         }
     }
 
     @Override
-    public List<Subject> getParents(@NonNull Set<Context> contexts) {
+    public boolean addParent(@NonNull ContextSet contexts, @NonNull SubjectReference subject) {
-        return getAllParents().getOrDefault(contexts, ImmutableList.of());
-    }
-
-    @Override
-    public boolean addParent(@NonNull Set<Context> set, @NonNull Subject subject) {
         try (Timing i = service.getPlugin().getTimings().time(LPTiming.LP_SUBJECT_ADD_PARENT)) {
-            if (subject instanceof SpongeGroup) {
+            if (subject.getCollection().equals(PermissionService.SUBJECTS_GROUP)) {
-                SpongeGroup permsSubject = ((SpongeGroup) subject);
+                SpongeGroup permsSubject = ((SpongeGroup) subject.resolve(service));
-                ContextSet contexts = LuckPermsService.convertContexts(set);
 
                 try {
                     if (enduring) {
@@ -277,11 +262,10 @@ public class LuckPermsSubjectData implements SubjectData {
     }
 
     @Override
-    public boolean removeParent(@NonNull Set<Context> set, @NonNull Subject subject) {
+    public boolean removeParent(@NonNull ContextSet contexts, @NonNull SubjectReference subject) {
         try (Timing i = service.getPlugin().getTimings().time(LPTiming.LP_SUBJECT_REMOVE_PARENT)) {
-            if (subject instanceof SpongeGroup) {
+            if (subject.getCollection().equals(PermissionService.SUBJECTS_GROUP)) {
-                SpongeGroup permsSubject = ((SpongeGroup) subject);
+                SpongeGroup permsSubject = ((SpongeGroup) subject.resolve(service));
-                ContextSet contexts = LuckPermsService.convertContexts(set);
 
                 try {
                     if (enduring) {
@@ -329,7 +313,7 @@ public class LuckPermsSubjectData implements SubjectData {
     }
 
     @Override
-    public boolean clearParents(@NonNull Set<Context> set) {
+    public boolean clearParents(@NonNull ContextSet set) {
         try (Timing i = service.getPlugin().getTimings().time(LPTiming.LP_SUBJECT_CLEAR_PARENTS)) {
             List<Node> toRemove = new ArrayList<>();
             for (Node n : enduring ? holder.getNodes() : holder.getTransientNodes()) {
@@ -337,7 +321,7 @@ public class LuckPermsSubjectData implements SubjectData {
                     continue;
                 }
 
-                Set<Context> contexts = LuckPermsService.convertContexts(n.getContexts());
+                MutableContextSet contexts = MutableContextSet.fromSet(n.getContexts());
 
                 if (n.isServerSpecific()) {
                     contexts.add(new Context(LuckPermsService.SERVER_CONTEXT, n.getServer().get()));
@@ -372,11 +356,11 @@ public class LuckPermsSubjectData implements SubjectData {
     }
 
     @Override
-    public Map<Set<Context>, Map<String, String>> getAllOptions() {
+    public Map<ContextSet, Map<String, String>> getOptions() {
         try (Timing ignored = service.getPlugin().getTimings().time(LPTiming.LP_SUBJECT_GET_OPTIONS)) {
-            Map<Set<Context>, Map<String, String>> options = new HashMap<>();
+            Map<ContextSet, Map<String, String>> options = new HashMap<>();
-            Map<Set<Context>, Integer> minPrefixPriority = new HashMap<>();
+            Map<ContextSet, Integer> minPrefixPriority = new HashMap<>();
-            Map<Set<Context>, Integer> minSuffixPriority = new HashMap<>();
+            Map<ContextSet, Integer> minSuffixPriority = new HashMap<>();
 
             for (Node n : enduring ? holder.getNodes() : holder.getTransientNodes()) {
                 if (!n.getValue()) {
@@ -387,7 +371,7 @@ public class LuckPermsSubjectData implements SubjectData {
                     continue;
                 }
 
-                Set<Context> contexts = LuckPermsService.convertContexts(n.getContexts());
+                MutableContextSet contexts = MutableContextSet.fromSet(n.getContexts());
 
                 if (n.isServerSpecific()) {
                     contexts.add(new Context(LuckPermsService.SERVER_CONTEXT, n.getServer().get()));
@@ -427,24 +411,17 @@ public class LuckPermsSubjectData implements SubjectData {
                 }
             }
 
-            ImmutableMap.Builder<Set<Context>, Map<String, String>> map = ImmutableMap.builder();
+            ImmutableMap.Builder<ContextSet, Map<String, String>> map = ImmutableMap.builder();
-            for (Map.Entry<Set<Context>, Map<String, String>> e : options.entrySet()) {
+            for (Map.Entry<ContextSet, Map<String, String>> e : options.entrySet()) {
-                map.put(ImmutableSet.copyOf(e.getKey()), ImmutableMap.copyOf(e.getValue()));
+                map.put(e.getKey().makeImmutable(), ImmutableMap.copyOf(e.getValue()));
             }
             return map.build();
         }
     }
 
     @Override
-    public Map<String, String> getOptions(@NonNull Set<Context> set) {
+    public boolean setOption(@NonNull ContextSet context, @NonNull String key, @NonNull String value) {
-        return getAllOptions().getOrDefault(set, ImmutableMap.of());
-    }
-
-    @Override
-    public boolean setOption(@NonNull Set<Context> set, @NonNull String key, @NonNull String value) {
         try (Timing i = service.getPlugin().getTimings().time(LPTiming.LP_SUBJECT_SET_OPTION)) {
-            ContextSet context = LuckPermsService.convertContexts(set);
-
             List<Node> toRemove = holder.getNodes().stream()
                     .filter(n -> n.isMeta() && n.getMeta().getKey().equals(key))
                     .collect(Collectors.toList());
@@ -468,7 +445,25 @@ public class LuckPermsSubjectData implements SubjectData {
     }
 
     @Override
-    public boolean clearOptions(@NonNull Set<Context> set) {
+    public boolean unsetOption(ContextSet contexts, String key) {
+        try (Timing i = service.getPlugin().getTimings().time(LPTiming.LP_SUBJECT_SET_OPTION)) {
+            List<Node> toRemove = holder.getNodes().stream()
+                    .filter(n -> n.isMeta() && n.getMeta().getKey().equals(key))
+                    .collect(Collectors.toList());
+
+            toRemove.forEach(n -> {
+                try {
+                    holder.unsetPermission(n);
+                } catch (ObjectLacksException ignored) {}
+            });
+
+            objectSave(holder);
+            return true;
+        }
+    }
+
+    @Override
+    public boolean clearOptions(@NonNull ContextSet set) {
         try (Timing i = service.getPlugin().getTimings().time(LPTiming.LP_SUBJECT_CLEAR_OPTIONS)) {
             List<Node> toRemove = new ArrayList<>();
             for (Node n : enduring ? holder.getNodes() : holder.getTransientNodes()) {
@@ -476,7 +471,7 @@ public class LuckPermsSubjectData implements SubjectData {
                     continue;
                 }
 
-                Set<Context> contexts = LuckPermsService.convertContexts(n.getContexts());
+                MutableContextSet contexts = MutableContextSet.fromSet(n.getContexts());
 
                 if (n.isServerSpecific()) {
                     contexts.add(new Context(LuckPermsService.SERVER_CONTEXT, n.getServer().get()));

sponge/src/main/java/me/lucko/luckperms/sponge/service/base/LPSubject.java

@@ -0,0 +1,149 @@
+/*
+ * Copyright (c) 2016 Lucko (Luck) <luck@lucko.me>
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in all
+ *  copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ *  SOFTWARE.
+ */
+
+package me.lucko.luckperms.sponge.service.base;
+
+import lombok.NonNull;
+import me.lucko.luckperms.api.context.ContextSet;
+import me.lucko.luckperms.common.utils.ImmutableCollectors;
+import me.lucko.luckperms.sponge.service.LuckPermsService;
+import me.lucko.luckperms.sponge.service.references.SubjectCollectionReference;
+import me.lucko.luckperms.sponge.service.references.SubjectReference;
+import org.spongepowered.api.command.CommandSource;
+import org.spongepowered.api.service.context.Context;
+import org.spongepowered.api.service.permission.Subject;
+import org.spongepowered.api.util.Tristate;
+
+import java.util.List;
+import java.util.Optional;
+import java.util.Set;
+
+import static me.lucko.luckperms.sponge.service.base.Util.convertContexts;
+import static me.lucko.luckperms.sponge.service.base.Util.convertTristate;
+
+public interface LPSubject extends Subject {
+
+    @Override
+    String getIdentifier();
+
+    default Optional<String> getFriendlyIdentifier() {
+        return Optional.empty();
+    }
+
+    @Override
+    default Optional<CommandSource> getCommandSource() {
+        return Optional.empty();
+    }
+
+    SubjectCollectionReference getParentCollection();
+
+    LuckPermsService getService();
+
+    default SubjectReference toReference() {
+        return SubjectReference.of(getParentCollection().getCollection(), getIdentifier());
+    }
+
+    @Override
+    LPSubjectData getSubjectData();
+
+    @Override
+    LPSubjectData getTransientSubjectData();
+
+    me.lucko.luckperms.api.Tristate getPermissionValue(ContextSet contexts, String permission);
+
+    boolean isChildOf(ContextSet contexts, SubjectReference parent);
+
+    Set<SubjectReference> getParents(ContextSet contexts);
+
+    Optional<String> getOption(ContextSet contexts, String key);
+
+    ContextSet getActiveContextSet();
+
+
+    /* Compat */
+
+    @Deprecated
+    @Override
+    default LPSubjectCollection getContainingCollection() {
+        return getParentCollection().resolve(getService());
+    }
+
+    @Deprecated
+    @Override
+    default boolean hasPermission(@NonNull Set<Context> contexts, @NonNull String permission) {
+        return getPermissionValue(convertContexts(contexts), permission).asBoolean();
+    }
+
+    @Deprecated
+    @Override
+    default boolean hasPermission(@NonNull String permission) {
+        return getPermissionValue(getActiveContextSet(), permission).asBoolean();
+    }
+
+    @Deprecated
+    @Override
+    default Tristate getPermissionValue(@NonNull Set<Context> contexts, @NonNull String permission) {
+        return convertTristate(getPermissionValue(convertContexts(contexts), permission));
+    }
+
+    @Deprecated
+    @Override
+    default boolean isChildOf(@NonNull Subject parent) {
+        return isChildOf(getActiveContextSet(), SubjectReference.of(parent));
+    }
+
+    @Deprecated
+    @Override
+    default boolean isChildOf(@NonNull Set<Context> contexts, @NonNull Subject parent) {
+        return isChildOf(convertContexts(contexts), SubjectReference.of(parent));
+    }
+
+    @Deprecated
+    @Override
+    default List<Subject> getParents() {
+        return getParents(getActiveContextSet()).stream().map(s -> s.resolve(getService())).collect(ImmutableCollectors.toImmutableList());
+    }
+
+    @Deprecated
+    @Override
+    default List<Subject> getParents(@NonNull Set<Context> contexts) {
+        return getParents(convertContexts(contexts)).stream().map(s -> s.resolve(getService())).collect(ImmutableCollectors.toImmutableList());
+    }
+
+    @Deprecated
+    @Override
+    default Optional<String> getOption(@NonNull String key) {
+        return getOption(getActiveContextSet(), key);
+    }
+
+    @Deprecated
+    @Override
+    default Optional<String> getOption(@NonNull Set<Context> contexts, @NonNull String key) {
+        return getOption(getActiveContextSet(), key);
+    }
+
+    @Deprecated
+    @Override
+    default Set<Context> getActiveContexts() {
+        return convertContexts(getActiveContextSet());
+    }
+}

sponge/src/main/java/me/lucko/luckperms/sponge/service/base/LPSubjectCollection.java

@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2016 Lucko (Luck) <luck@lucko.me>
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in all
+ *  copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ *  SOFTWARE.
+ */
+
+package me.lucko.luckperms.sponge.service.base;
+
+import lombok.NonNull;
+import me.lucko.luckperms.api.context.ContextSet;
+import me.lucko.luckperms.common.utils.ImmutableCollectors;
+import me.lucko.luckperms.sponge.service.LuckPermsService;
+import me.lucko.luckperms.sponge.service.references.SubjectCollectionReference;
+import me.lucko.luckperms.sponge.service.references.SubjectReference;
+import org.spongepowered.api.service.context.Context;
+import org.spongepowered.api.service.permission.Subject;
+import org.spongepowered.api.service.permission.SubjectCollection;
+
+import java.util.Collection;
+import java.util.Map;
+import java.util.Set;
+
+import static me.lucko.luckperms.sponge.service.base.Util.convertContexts;
+
+public interface LPSubjectCollection extends SubjectCollection {
+
+    @Override
+    String getIdentifier();
+
+    LuckPermsService getService();
+
+    default SubjectCollectionReference toReference() {
+        return SubjectCollectionReference.of(getIdentifier());
+    }
+
+    @Override
+    LPSubject get(String identifier);
+
+    @Override
+    boolean hasRegistered(String identifier);
+
+    Collection<LPSubject> getSubjects();
+
+    default Map<LPSubject, Boolean> getWithPermission(String permission) {
+        return getWithPermission(ContextSet.empty(), permission);
+    }
+
+    Map<LPSubject, Boolean> getWithPermission(ContextSet contexts, String permission);
+
+    SubjectReference getDefaultSubject();
+
+    @Deprecated
+    @Override
+    default Subject getDefaults() {
+        return getDefaultSubject().resolve(getService());
+    }
+
+    @Deprecated
+    @Override
+    default Iterable<Subject> getAllSubjects() {
+        return getSubjects().stream().collect(ImmutableCollectors.toImmutableList());
+    }
+
+    @Deprecated
+    @Override
+    default Map<Subject, Boolean> getAllWithPermission(@NonNull String permission) {
+        return getWithPermission(permission).entrySet().stream().collect(ImmutableCollectors.toImmutableMap(Map.Entry::getKey, Map.Entry::getValue));
+    }
+
+    @Deprecated
+    @Override
+    default Map<Subject, Boolean> getAllWithPermission(@NonNull Set<Context> contexts, @NonNull String permission) {
+        return getWithPermission(convertContexts(contexts), permission).entrySet().stream().collect(ImmutableCollectors.toImmutableMap(Map.Entry::getKey, Map.Entry::getValue));
+    }
+
+}

sponge/src/main/java/me/lucko/luckperms/sponge/service/base/LPSubjectData.java

@@ -0,0 +1,187 @@
+/*
+ * Copyright (c) 2016 Lucko (Luck) <luck@lucko.me>
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in all
+ *  copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ *  SOFTWARE.
+ */
+
+package me.lucko.luckperms.sponge.service.base;
+
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableSet;
+import me.lucko.luckperms.api.context.ContextSet;
+import me.lucko.luckperms.common.utils.ImmutableCollectors;
+import me.lucko.luckperms.sponge.service.references.SubjectReference;
+import org.spongepowered.api.service.context.Context;
+import org.spongepowered.api.service.permission.Subject;
+import org.spongepowered.api.service.permission.SubjectData;
+import org.spongepowered.api.util.Tristate;
+
+import javax.annotation.Nullable;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import static me.lucko.luckperms.sponge.service.base.Util.convertContexts;
+import static me.lucko.luckperms.sponge.service.base.Util.convertTristate;
+
+public interface LPSubjectData extends SubjectData {
+
+    LPSubject getParentSubject();
+
+    Map<ContextSet, Map<String, Boolean>> getPermissions();
+
+    default Map<String, Boolean> getPermissions(ContextSet contexts) {
+        return ImmutableMap.copyOf(getPermissions().getOrDefault(contexts, ImmutableMap.of()));
+    }
+
+    boolean setPermission(ContextSet contexts, String permission, me.lucko.luckperms.api.Tristate value);
+
+    @Override
+    boolean clearPermissions();
+
+    boolean clearPermissions(ContextSet contexts);
+
+    Map<ContextSet, Set<SubjectReference>> getParents();
+
+    default Set<SubjectReference> getParents(ContextSet contexts) {
+        return ImmutableSet.copyOf(getParents().getOrDefault(contexts, ImmutableSet.of()));
+    }
+
+    boolean addParent(ContextSet contexts, SubjectReference parent);
+
+    boolean removeParent(ContextSet contexts, SubjectReference parent);
+
+    @Override
+    boolean clearParents();
+
+    boolean clearParents(ContextSet contexts);
+
+    Map<ContextSet, Map<String, String>> getOptions();
+
+    default Map<String, String> getOptions(ContextSet contexts) {
+        return ImmutableMap.copyOf(getOptions().getOrDefault(contexts, ImmutableMap.of()));
+    }
+
+    boolean setOption(ContextSet contexts, String key, String value);
+
+    boolean unsetOption(ContextSet contexts, String key);
+
+    boolean clearOptions(ContextSet contexts);
+
+    @Override
+    boolean clearOptions();
+
+
+
+    /* Compat */
+
+    @Deprecated
+    @Override
+    default Map<Set<Context>, Map<String, Boolean>> getAllPermissions() {
+        return getPermissions().entrySet().stream()
+                .collect(ImmutableCollectors.toImmutableMap(
+                        e -> convertContexts(e.getKey()),
+                        e -> ImmutableMap.copyOf(e.getValue()))
+                );
+    }
+
+    @Deprecated
+    @Override
+    default Map<String, Boolean> getPermissions(Set<Context> contexts) {
+        return ImmutableMap.copyOf(getPermissions(convertContexts(contexts)));
+    }
+
+    @Deprecated
+    @Override
+    default boolean setPermission(Set<Context> contexts, String permission, Tristate value) {
+        return setPermission(convertContexts(contexts), permission, convertTristate(value));
+    }
+
+    @Deprecated
+    @Override
+    default boolean clearPermissions(Set<Context> contexts) {
+        return clearPermissions(convertContexts(contexts));
+    }
+
+    @Deprecated
+    @Override
+    default Map<Set<Context>, List<Subject>> getAllParents() {
+        return getParents().entrySet().stream()
+                .collect(ImmutableCollectors.toImmutableMap(
+                        e -> convertContexts(e.getKey()),
+                        e -> e.getValue().stream()
+                                .map(s -> s.resolve(getParentSubject().getService()))
+                                .collect(ImmutableCollectors.toImmutableList())
+                        )
+                );
+    }
+
+    @Deprecated
+    @Override
+    default List<Subject> getParents(Set<Context> contexts) {
+        return getParents(convertContexts(contexts)).stream().map(s -> s.resolve(getParentSubject().getService())).collect(ImmutableCollectors.toImmutableList());
+    }
+
+    @Deprecated
+    @Override
+    default boolean addParent(Set<Context> contexts, Subject parent) {
+        return addParent(convertContexts(contexts), SubjectReference.of(parent));
+    }
+
+    @Deprecated
+    @Override
+    default boolean removeParent(Set<Context> contexts, Subject parent) {
+        return removeParent(convertContexts(contexts), SubjectReference.of(parent));
+    }
+
+    @Deprecated
+    @Override
+    default boolean clearParents(Set<Context> contexts) {
+        return clearParents(convertContexts(contexts));
+    }
+
+    @Deprecated
+    @Override
+    default Map<Set<Context>, Map<String, String>> getAllOptions() {
+        return getOptions().entrySet().stream()
+                .collect(ImmutableCollectors.toImmutableMap(
+                        e -> convertContexts(e.getKey()),
+                        e -> ImmutableMap.copyOf(e.getValue()))
+                );
+    }
+
+    @Deprecated
+    @Override
+    default Map<String, String> getOptions(Set<Context> contexts) {
+        return ImmutableMap.copyOf(getOptions(convertContexts(contexts)));
+    }
+
+    @Deprecated
+    @Override
+    default boolean setOption(Set<Context> contexts, String key, @Nullable String value) {
+        return value == null ? unsetOption(convertContexts(contexts), key) : setOption(convertContexts(contexts), key, value);
+    }
+
+    @Deprecated
+    @Override
+    default boolean clearOptions(Set<Context> contexts) {
+        return clearOptions(convertContexts(contexts));
+    }
+
+}

sponge/src/main/java/me/lucko/luckperms/sponge/service/base/Util.java

@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2016 Lucko (Luck) <luck@lucko.me>
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in all
+ *  copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ *  SOFTWARE.
+ */
+
+package me.lucko.luckperms.sponge.service.base;
+
+import com.google.common.collect.Maps;
+import lombok.experimental.UtilityClass;
+import me.lucko.luckperms.api.context.ContextSet;
+import me.lucko.luckperms.common.utils.ImmutableCollectors;
+import org.spongepowered.api.service.context.Context;
+import org.spongepowered.api.util.Tristate;
+
+import java.util.Set;
+import java.util.stream.Collectors;
+
+@UtilityClass
+public class Util {
+
+    public static ContextSet convertContexts(Set<Context> contexts) {
+        return ContextSet.fromEntries(contexts.stream().map(c -> Maps.immutableEntry(c.getKey(), c.getValue())).collect(Collectors.toSet()));
+    }
+
+    public static Set<Context> convertContexts(ContextSet contexts) {
+        return contexts.toSet().stream().map(e -> new Context(e.getKey(), e.getValue())).collect(ImmutableCollectors.toImmutableSet());
+    }
+
+    public static Tristate convertTristate(me.lucko.luckperms.api.Tristate tristate) {
+        switch (tristate) {
+            case TRUE:
+                return Tristate.TRUE;
+            case FALSE:
+                return Tristate.FALSE;
+            default:
+                return Tristate.UNDEFINED;
+        }
+    }
+
+    public static me.lucko.luckperms.api.Tristate convertTristate(Tristate tristate) {
+        switch (tristate) {
+            case TRUE:
+                return me.lucko.luckperms.api.Tristate.TRUE;
+            case FALSE:
+                return me.lucko.luckperms.api.Tristate.FALSE;
+            default:
+                return me.lucko.luckperms.api.Tristate.UNDEFINED;
+        }
+    }
+
+}

sponge/src/main/java/me/lucko/luckperms/sponge/service/calculated/CalculatedSubjectData.java

@@ -20,7 +20,7 @@
  *  SOFTWARE.
  */
 
-package me.lucko.luckperms.sponge.service.data;
+package me.lucko.luckperms.sponge.service.calculated;
 
 import com.google.common.cache.CacheBuilder;
 import com.google.common.cache.CacheLoader;
@@ -31,32 +31,34 @@ import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.ImmutableSortedMap;
 import lombok.Getter;
 import lombok.RequiredArgsConstructor;
+import me.lucko.luckperms.api.Tristate;
+import me.lucko.luckperms.api.context.ContextSet;
 import me.lucko.luckperms.common.calculators.PermissionCalculator;
 import me.lucko.luckperms.common.calculators.PermissionProcessor;
 import me.lucko.luckperms.common.calculators.processors.MapProcessor;
-import me.lucko.luckperms.common.utils.ImmutableCollectors;
 import me.lucko.luckperms.sponge.calculators.SpongeWildcardProcessor;
 import me.lucko.luckperms.sponge.service.LuckPermsService;
-import org.spongepowered.api.service.context.Context;
+import me.lucko.luckperms.sponge.service.base.LPSubject;
-import org.spongepowered.api.service.permission.Subject;
+import me.lucko.luckperms.sponge.service.base.LPSubjectData;
-import org.spongepowered.api.service.permission.SubjectData;
+import me.lucko.luckperms.sponge.service.references.SubjectReference;
-import org.spongepowered.api.util.Tristate;
 
-import javax.annotation.Nullable;
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
 
 @RequiredArgsConstructor
-public class CalculatedSubjectData implements SubjectData {
+public class CalculatedSubjectData implements LPSubjectData {
     private static final ContextComparator CONTEXT_COMPARATOR = new ContextComparator();
 
+    @Getter
+    private final LPSubject parentSubject;
+
     private final LuckPermsService service;
     private final String calculatorDisplayName;
 
-    private final LoadingCache<Set<Context>, CalculatorHolder> permissionCache = CacheBuilder.newBuilder()
+    private final LoadingCache<ContextSet, CalculatorHolder> permissionCache = CacheBuilder.newBuilder()
-            .build(new CacheLoader<Set<Context>, CalculatorHolder>() {
+            .build(new CacheLoader<ContextSet, CalculatorHolder>() {
                 @Override
-                public CalculatorHolder load(Set<Context> contexts) {
+                public CalculatorHolder load(ContextSet contexts) {
                     ImmutableList.Builder<PermissionProcessor> processors = ImmutableList.builder();
                     processors.add(new MapProcessor());
                     processors.add(new SpongeWildcardProcessor());
@@ -68,77 +70,69 @@ public class CalculatedSubjectData implements SubjectData {
                 }
             });
 
-    private final LoadingCache<Set<Context>, Map<String, String>> optionCache = CacheBuilder.newBuilder()
+    private final LoadingCache<ContextSet, Map<String, String>> optionCache = CacheBuilder.newBuilder()
-            .build(new CacheLoader<Set<Context>, Map<String, String>>() {
+            .build(new CacheLoader<ContextSet, Map<String, String>>() {
                 @Override
-                public Map<String, String> load(Set<Context> contexts) {
+                public Map<String, String> load(ContextSet contexts) {
                     return flattenMap(contexts, options);
                 }
             });
 
-    private final Map<Set<Context>, Map<String, Boolean>> permissions = new ConcurrentHashMap<>();
+    private final Map<ContextSet, Map<String, Boolean>> permissions = new ConcurrentHashMap<>();
-    private final Map<Set<Context>, Set<SubjectReference>> parents = new ConcurrentHashMap<>();
+    private final Map<ContextSet, Set<SubjectReference>> parents = new ConcurrentHashMap<>();
-    private final Map<Set<Context>, Map<String, String>> options = new ConcurrentHashMap<>();
+    private final Map<ContextSet, Map<String, String>> options = new ConcurrentHashMap<>();
 
-    public Tristate getPermissionValue(Set<Context> contexts, String permission) {
+    public Tristate getPermissionValue(ContextSet contexts, String permission) {
-        return LuckPermsService.convertTristate(permissionCache.getUnchecked(contexts).getCalculator().getPermissionValue(permission));
+        return permissionCache.getUnchecked(contexts).getCalculator().getPermissionValue(permission);
     }
 
-    public Map<Set<Context>, Set<SubjectReference>> getParents() {
+    public void replacePermissions(Map<ContextSet, Map<String, Boolean>> map) {
-        ImmutableMap.Builder<Set<Context>, Set<SubjectReference>> map = ImmutableMap.builder();
-        for (Map.Entry<Set<Context>, Set<SubjectReference>> e : parents.entrySet()) {
-            map.put(ImmutableSet.copyOf(e.getKey()), ImmutableSet.copyOf(e.getValue()));
-        }
-        return map.build();
-    }
-
-    public void replacePermissions(Map<Set<Context>, Map<String, Boolean>> map) {
         permissions.clear();
-        for (Map.Entry<Set<Context>, Map<String, Boolean>> e : map.entrySet()) {
+        for (Map.Entry<ContextSet, Map<String, Boolean>> e : map.entrySet()) {
-            permissions.put(ImmutableSet.copyOf(e.getKey()), new ConcurrentHashMap<>(e.getValue()));
+            permissions.put(e.getKey().makeImmutable(), new ConcurrentHashMap<>(e.getValue()));
         }
         permissionCache.invalidateAll();
     }
 
-    public void replaceParents(Map<Set<Context>, Set<SubjectReference>> map) {
+    public void replaceParents(Map<ContextSet, Set<SubjectReference>> map) {
         parents.clear();
-        for (Map.Entry<Set<Context>, Set<SubjectReference>> e : map.entrySet()) {
+        for (Map.Entry<ContextSet, Set<SubjectReference>> e : map.entrySet()) {
             Set<SubjectReference> set = ConcurrentHashMap.newKeySet();
             set.addAll(e.getValue());
-            parents.put(ImmutableSet.copyOf(e.getKey()), set);
+            parents.put(e.getKey().makeImmutable(), set);
         }
     }
 
-    public void replaceOptions(Map<Set<Context>, Map<String, String>> map) {
+    public void replaceOptions(Map<ContextSet, Map<String, String>> map) {
         options.clear();
-        for (Map.Entry<Set<Context>, Map<String, String>> e : map.entrySet()) {
+        for (Map.Entry<ContextSet, Map<String, String>> e : map.entrySet()) {
-            options.put(ImmutableSet.copyOf(e.getKey()), new ConcurrentHashMap<>(e.getValue()));
+            options.put(e.getKey().makeImmutable(), new ConcurrentHashMap<>(e.getValue()));
         }
         optionCache.invalidateAll();
     }
 
     @Override
-    public Map<Set<Context>, Map<String, Boolean>> getAllPermissions() {
+    public Map<ContextSet, Map<String, Boolean>> getPermissions() {
-        ImmutableMap.Builder<Set<Context>, Map<String, Boolean>> map = ImmutableMap.builder();
+        ImmutableMap.Builder<ContextSet, Map<String, Boolean>> map = ImmutableMap.builder();
-        for (Map.Entry<Set<Context>, Map<String, Boolean>> e : permissions.entrySet()) {
+        for (Map.Entry<ContextSet, Map<String, Boolean>> e : permissions.entrySet()) {
-            map.put(ImmutableSet.copyOf(e.getKey()), ImmutableMap.copyOf(e.getValue()));
+            map.put(e.getKey().makeImmutable(), ImmutableMap.copyOf(e.getValue()));
         }
         return map.build();
     }
 
     @Override
-    public Map<String, Boolean> getPermissions(Set<Context> contexts) {
+    public Map<String, Boolean> getPermissions(ContextSet contexts) {
         return ImmutableMap.copyOf(permissions.getOrDefault(contexts, ImmutableMap.of()));
     }
 
     @Override
-    public boolean setPermission(Set<Context> contexts, String permission, Tristate value) {
+    public boolean setPermission(ContextSet contexts, String permission, Tristate value) {
         boolean b;
         if (value == Tristate.UNDEFINED) {
             Map<String, Boolean> perms = permissions.get(contexts);
             b = perms != null && perms.remove(permission.toLowerCase()) != null;
         } else {
-            Map<String, Boolean> perms = permissions.computeIfAbsent(ImmutableSet.copyOf(contexts), c -> new ConcurrentHashMap<>());
+            Map<String, Boolean> perms = permissions.computeIfAbsent(contexts.makeImmutable(), c -> new ConcurrentHashMap<>());
             b = !Objects.equals(perms.put(permission.toLowerCase(), value.asBoolean()), value.asBoolean());
         }
         if (b) {
@@ -159,7 +153,7 @@ public class CalculatedSubjectData implements SubjectData {
     }
 
     @Override
-    public boolean clearPermissions(Set<Context> contexts) {
+    public boolean clearPermissions(ContextSet contexts) {
         Map<String, Boolean> perms = permissions.get(contexts);
         if (perms == null) {
             return false;
@@ -174,34 +168,29 @@ public class CalculatedSubjectData implements SubjectData {
     }
 
     @Override
-    public Map<Set<Context>, List<Subject>> getAllParents() {
+    public Map<ContextSet, Set<SubjectReference>> getParents() {
-        ImmutableMap.Builder<Set<Context>, List<Subject>> map = ImmutableMap.builder();
+        ImmutableMap.Builder<ContextSet, Set<SubjectReference>> map = ImmutableMap.builder();
-        for (Map.Entry<Set<Context>, Set<SubjectReference>> e : parents.entrySet()) {
+        for (Map.Entry<ContextSet, Set<SubjectReference>> e : parents.entrySet()) {
-            map.put(
+            map.put(e.getKey().makeImmutable(), ImmutableSet.copyOf(e.getValue()));
-                    ImmutableSet.copyOf(e.getKey()),
-                    e.getValue().stream().map(s -> s.resolve(service)).collect(ImmutableCollectors.toImmutableList())
-            );
         }
         return map.build();
     }
 
     @Override
-    public List<Subject> getParents(Set<Context> contexts) {
+    public Set<SubjectReference> getParents(ContextSet contexts) {
-        return parents.getOrDefault(contexts, ImmutableSet.of()).stream()
+        return ImmutableSet.copyOf(parents.getOrDefault(contexts, ImmutableSet.of()));
-                .map(s -> s.resolve(service))
-                .collect(ImmutableCollectors.toImmutableList());
     }
 
     @Override
-    public boolean addParent(Set<Context> contexts, Subject parent) {
+    public boolean addParent(ContextSet contexts, SubjectReference parent) {
-        Set<SubjectReference> set = parents.computeIfAbsent(ImmutableSet.copyOf(contexts), c -> ConcurrentHashMap.newKeySet());
+        Set<SubjectReference> set = parents.computeIfAbsent(contexts.makeImmutable(), c -> ConcurrentHashMap.newKeySet());
-        return set.add(SubjectReference.of(parent));
+        return set.add(parent);
     }
 
     @Override
-    public boolean removeParent(Set<Context> contexts, Subject parent) {
+    public boolean removeParent(ContextSet contexts, SubjectReference parent) {
         Set<SubjectReference> set = parents.get(contexts);
-        return set != null && set.remove(SubjectReference.of(parent));
+        return set != null && set.remove(parent);
     }
 
     @Override
@@ -215,7 +204,7 @@ public class CalculatedSubjectData implements SubjectData {
     }
 
     @Override
-    public boolean clearParents(Set<Context> contexts) {
+    public boolean clearParents(ContextSet contexts) {
         Set<SubjectReference> set = parents.get(contexts);
         if (set == null) {
             return false;
@@ -226,29 +215,33 @@ public class CalculatedSubjectData implements SubjectData {
     }
 
     @Override
-    public Map<Set<Context>, Map<String, String>> getAllOptions() {
+    public Map<ContextSet, Map<String, String>> getOptions() {
-        ImmutableMap.Builder<Set<Context>, Map<String, String>> map = ImmutableMap.builder();
+        ImmutableMap.Builder<ContextSet, Map<String, String>> map = ImmutableMap.builder();
-        for (Map.Entry<Set<Context>, Map<String, String>> e : options.entrySet()) {
+        for (Map.Entry<ContextSet, Map<String, String>> e : options.entrySet()) {
-            map.put(ImmutableSet.copyOf(e.getKey()), ImmutableMap.copyOf(e.getValue()));
+            map.put(e.getKey().makeImmutable(), ImmutableMap.copyOf(e.getValue()));
         }
         return map.build();
     }
 
     @Override
-    public Map<String, String> getOptions(Set<Context> contexts) {
+    public Map<String, String> getOptions(ContextSet contexts) {
         return ImmutableMap.copyOf(options.getOrDefault(contexts, ImmutableMap.of()));
     }
 
     @Override
-    public boolean setOption(Set<Context> contexts, String key, @Nullable String value) {
+    public boolean setOption(ContextSet contexts, String key, String value) {
-        boolean b;
+        Map<String, String> options = this.options.computeIfAbsent(contexts.makeImmutable(), c -> new ConcurrentHashMap<>());
-        if (value == null) {
+        boolean b = !stringEquals(options.put(key.toLowerCase(), value), value);
-            Map<String, String> options = this.options.get(contexts);
+        if (b) {
-            b = options != null && options.remove(key.toLowerCase()) != null;
+            optionCache.invalidateAll();
-        } else {
-            Map<String, String> options = this.options.computeIfAbsent(ImmutableSet.copyOf(contexts), c -> new ConcurrentHashMap<>());
-            b = !stringEquals(options.put(key.toLowerCase(), value), value);
         }
+        return b;
+    }
+
+    @Override
+    public boolean unsetOption(ContextSet contexts, String key) {
+        Map<String, String> options = this.options.get(contexts);
+        boolean b = options != null && options.remove(key.toLowerCase()) != null;
         if (b) {
             optionCache.invalidateAll();
         }
@@ -267,7 +260,7 @@ public class CalculatedSubjectData implements SubjectData {
     }
 
     @Override
-    public boolean clearOptions(Set<Context> contexts) {
+    public boolean clearOptions(ContextSet contexts) {
         Map<String, String> map = options.get(contexts);
         if (map == null) {
             return false;
@@ -281,10 +274,10 @@ public class CalculatedSubjectData implements SubjectData {
         return false;
     }
 
-    private static <V> Map<String, V> flattenMap(Set<Context> contexts, Map<Set<Context>, Map<String, V>> source) {
+    private static <V> Map<String, V> flattenMap(ContextSet contexts, Map<ContextSet, Map<String, V>> source) {
         Map<String, V> map = new HashMap<>();
 
-        SortedMap<Set<Context>, Map<String, V>> ret = getRelevantEntries(contexts, source);
+        SortedMap<ContextSet, Map<String, V>> ret = getRelevantEntries(contexts, source);
         for (Map<String, V> m : ret.values()) {
             for (Map.Entry<String, V> e : m.entrySet()) {
                 if (!map.containsKey(e.getKey())) {
@@ -296,18 +289,19 @@ public class CalculatedSubjectData implements SubjectData {
         return ImmutableMap.copyOf(map);
     }
 
-    private static <K, V> SortedMap<Set<Context>, Map<K, V>> getRelevantEntries(Set<Context> set, Map<Set<Context>, Map<K, V>> map) {
+    private static <K, V> SortedMap<ContextSet, Map<K, V>> getRelevantEntries(ContextSet set, Map<ContextSet, Map<K, V>> map) {
-        ImmutableSortedMap.Builder<Set<Context>, Map<K, V>> perms = ImmutableSortedMap.orderedBy(CONTEXT_COMPARATOR);
+        ImmutableSortedMap.Builder<ContextSet, Map<K, V>> perms = ImmutableSortedMap.orderedBy(CONTEXT_COMPARATOR);
 
         loop:
-        for (Map.Entry<Set<Context>, Map<K, V>> e : map.entrySet()) {
+        for (Map.Entry<ContextSet, Map<K, V>> e : map.entrySet()) {
-            for (Context c : e.getKey()) {
+
-                if (!set.contains(c)) {
+            for (Map.Entry<String, String> c : e.getKey().toSet()) {
+                if (!set.has(c.getKey(), c.getValue())) {
                     continue loop;
                 }
             }
 
-            perms.put(ImmutableSet.copyOf(e.getKey()), ImmutableMap.copyOf(e.getValue()));
+            perms.put(e.getKey().makeImmutable(), ImmutableMap.copyOf(e.getValue()));
         }
 
         return perms.build();
@@ -317,10 +311,10 @@ public class CalculatedSubjectData implements SubjectData {
         return a == null && b == null || a != null && b != null && a.equalsIgnoreCase(b);
     }
 
-    private static class ContextComparator implements Comparator<Set<Context>> {
+    private static class ContextComparator implements Comparator<ContextSet> {
 
         @Override
-        public int compare(Set<Context> o1, Set<Context> o2) {
+        public int compare(ContextSet o1, ContextSet o2) {
             int i = Integer.compare(o1.size(), o2.size());
             return i == 0 ? 1 : i;
         }

sponge/src/main/java/me/lucko/luckperms/sponge/service/calculated/OptionLookup.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2016 Lucko (Luck) <luck@lucko.me>
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in all
+ *  copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ *  SOFTWARE.
+ */
+
+package me.lucko.luckperms.sponge.service.calculated;
+
+import lombok.AllArgsConstructor;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.ToString;
+import me.lucko.luckperms.api.context.ContextSet;
+
+@Getter
+@ToString
+@EqualsAndHashCode
+@AllArgsConstructor(staticName = "of")
+public class OptionLookup {
+
+    private final String key;
+    private final ContextSet contexts;
+
+}

sponge/src/main/java/me/lucko/luckperms/sponge/service/calculated/PermissionLookup.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2016 Lucko (Luck) <luck@lucko.me>
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in all
+ *  copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ *  SOFTWARE.
+ */
+
+package me.lucko.luckperms.sponge.service.calculated;
+
+import lombok.AllArgsConstructor;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.ToString;
+import me.lucko.luckperms.api.context.ContextSet;
+
+@Getter
+@ToString
+@EqualsAndHashCode
+@AllArgsConstructor(staticName = "of")
+public class PermissionLookup {
+
+    private final String node;
+    private final ContextSet contexts;
+
+}

sponge/src/main/java/me/lucko/luckperms/sponge/service/persisted/PersistedCollection.java

@@ -26,30 +26,31 @@ import com.google.common.cache.CacheBuilder;
 import com.google.common.cache.CacheLoader;
 import com.google.common.cache.LoadingCache;
 import com.google.common.collect.ImmutableMap;
-import com.google.common.collect.ImmutableSet;
+import lombok.AccessLevel;
 import lombok.Getter;
 import lombok.NonNull;
 import lombok.RequiredArgsConstructor;
+import me.lucko.luckperms.api.Tristate;
+import me.lucko.luckperms.api.context.ContextSet;
 import me.lucko.luckperms.common.utils.ImmutableCollectors;
 import me.lucko.luckperms.sponge.service.LuckPermsService;
-import org.spongepowered.api.service.context.Context;
+import me.lucko.luckperms.sponge.service.base.LPSubject;
-import org.spongepowered.api.service.permission.Subject;
+import me.lucko.luckperms.sponge.service.base.LPSubjectCollection;
-import org.spongepowered.api.service.permission.SubjectCollection;
+import me.lucko.luckperms.sponge.service.references.SubjectReference;
-import org.spongepowered.api.util.Tristate;
 
+import java.util.Collection;
 import java.util.Map;
-import java.util.Set;
 
 /**
  * A simple persistable subject collection
  */
+@Getter
 @RequiredArgsConstructor
-public class PersistedCollection implements SubjectCollection {
+public class PersistedCollection implements LPSubjectCollection {
     private final LuckPermsService service;
-
-    @Getter
     private final String identifier;
 
+    @Getter(AccessLevel.NONE)
     private final LoadingCache<String, PersistedSubject> subjects = CacheBuilder.newBuilder()
             .build(new CacheLoader<String, PersistedSubject>() {
                 @Override
@@ -77,19 +78,14 @@ public class PersistedCollection implements SubjectCollection {
     }
 
     @Override
-    public Iterable<Subject> getAllSubjects() {
+    public Collection<LPSubject> getSubjects() {
-        return subjects.asMap().values().stream().map(s -> (Subject) s).collect(ImmutableCollectors.toImmutableList());
+        return subjects.asMap().values().stream().map(s -> (LPSubject) s).collect(ImmutableCollectors.toImmutableList());
     }
 
     @Override
-    public Map<Subject, Boolean> getAllWithPermission(@NonNull String id) {
+    public Map<LPSubject, Boolean> getWithPermission(@NonNull ContextSet contexts, @NonNull String node) {
-        return getAllWithPermission(ImmutableSet.of(), id);
+        ImmutableMap.Builder<LPSubject, Boolean> m = ImmutableMap.builder();
-    }
+        for (LPSubject subject : subjects.asMap().values()) {
-
-    @Override
-    public Map<Subject, Boolean> getAllWithPermission(@NonNull Set<Context> contexts, @NonNull String node) {
-        ImmutableMap.Builder<Subject, Boolean> m = ImmutableMap.builder();
-        for (Subject subject : subjects.asMap().values()) {
             Tristate ts = subject.getPermissionValue(contexts, node);
             if (ts != Tristate.UNDEFINED) {
                 m.put(subject, ts.asBoolean());
@@ -100,7 +96,7 @@ public class PersistedCollection implements SubjectCollection {
     }
 
     @Override
-    public Subject getDefaults() {
+    public SubjectReference getDefaultSubject() {
-        return service.getDefaultSubjects().get(identifier);
+        return SubjectReference.of("defaults", identifier);
     }
 }

sponge/src/main/java/me/lucko/luckperms/sponge/service/persisted/PersistedSubject.java

@@ -23,22 +23,22 @@
 package me.lucko.luckperms.sponge.service.persisted;
 
 import co.aikar.timings.Timing;
-import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableSet;
 import lombok.Getter;
 import lombok.NonNull;
+import me.lucko.luckperms.api.Tristate;
+import me.lucko.luckperms.api.context.ContextSet;
 import me.lucko.luckperms.common.utils.BufferedRequest;
 import me.lucko.luckperms.sponge.service.LuckPermsService;
-import me.lucko.luckperms.sponge.service.data.CalculatedSubjectData;
+import me.lucko.luckperms.sponge.service.base.LPSubject;
+import me.lucko.luckperms.sponge.service.calculated.CalculatedSubjectData;
+import me.lucko.luckperms.sponge.service.references.SubjectCollectionReference;
+import me.lucko.luckperms.sponge.service.references.SubjectReference;
 import me.lucko.luckperms.sponge.timings.LPTiming;
 import org.spongepowered.api.command.CommandSource;
-import org.spongepowered.api.service.context.Context;
-import org.spongepowered.api.service.permission.Subject;
-import org.spongepowered.api.util.Tristate;
 
 import java.io.IOException;
-import java.util.ArrayList;
+import java.util.HashSet;
-import java.util.List;
 import java.util.Optional;
 import java.util.Set;
 
@@ -46,11 +46,12 @@ import java.util.Set;
  * A simple persistable Subject implementation
  */
 @Getter
-public class PersistedSubject implements Subject {
+public class PersistedSubject implements LPSubject {
     private final String identifier;
 
+    @Getter
     private final LuckPermsService service;
-    private final PersistedCollection containingCollection;
+    private final SubjectCollectionReference parentCollection;
     private final PersistedSubjectData subjectData;
     private final CalculatedSubjectData transientSubjectData;
     private final BufferedRequest<Void> saveBuffer = new BufferedRequest<Void>(1000L, r -> PersistedSubject.this.service.getPlugin().doAsync(r)) {
@@ -70,9 +71,9 @@ public class PersistedSubject implements Subject {
     public PersistedSubject(String identifier, LuckPermsService service, PersistedCollection containingCollection) {
         this.identifier = identifier;
         this.service = service;
-        this.containingCollection = containingCollection;
+        this.parentCollection = containingCollection.toReference();
         this.subjectData = new PersistedSubjectData(service, "local:" + containingCollection.getIdentifier() + "/" + identifier + "(p)", this);
-        this.transientSubjectData = new CalculatedSubjectData(service, "local:" + containingCollection.getIdentifier() + "/" + identifier + "(t)");
+        this.transientSubjectData = new CalculatedSubjectData(this, service, "local:" + containingCollection.getIdentifier() + "/" + identifier + "(t)");
     }
 
     public void loadData(SubjectDataHolder dataHolder) {
@@ -91,12 +92,7 @@ public class PersistedSubject implements Subject {
     }
 
     @Override
-    public boolean hasPermission(@NonNull Set<Context> contexts, @NonNull String node) {
+    public Tristate getPermissionValue(@NonNull ContextSet contexts, @NonNull String node) {
-        return getPermissionValue(contexts, node).asBoolean();
-    }
-
-    @Override
-    public Tristate getPermissionValue(@NonNull Set<Context> contexts, @NonNull String node) {
         try (Timing ignored = service.getPlugin().getTimings().time(LPTiming.PERSISTED_SUBJECT_GET_PERMISSION_VALUE)) {
             Tristate res = subjectData.getPermissionValue(contexts, node);
             if (res != Tristate.UNDEFINED) {
@@ -108,18 +104,18 @@ public class PersistedSubject implements Subject {
                 return res;
             }
 
-            for (Subject parent : getParents(contexts)) {
+            for (SubjectReference parent : getParents(contexts)) {
-                Tristate tempRes = parent.getPermissionValue(contexts, node);
+                Tristate tempRes = parent.resolve(service).getPermissionValue(contexts, node);
                 if (tempRes != Tristate.UNDEFINED) {
                     return tempRes;
                 }
             }
 
-            if (getContainingCollection().getIdentifier().equalsIgnoreCase("defaults")) {
+            if (getParentCollection().resolve(service).getIdentifier().equalsIgnoreCase("defaults")) {
                 return Tristate.UNDEFINED;
             }
 
-            res = service.getGroupSubjects().getDefaults().getPermissionValue(contexts, node);
+            res = service.getGroupSubjects().getDefaultSubject().resolve(service).getPermissionValue(contexts, node);
             if (res != Tristate.UNDEFINED) {
                 return res;
             }
@@ -130,61 +126,61 @@ public class PersistedSubject implements Subject {
     }
 
     @Override
-    public boolean isChildOf(@NonNull Set<Context> contexts, @NonNull Subject subject) {
+    public boolean isChildOf(@NonNull ContextSet contexts, @NonNull SubjectReference subject) {
         try (Timing ignored = service.getPlugin().getTimings().time(LPTiming.PERSISTED_SUBJECT_IS_CHILD_OF)) {
-            if (getContainingCollection().getIdentifier().equalsIgnoreCase("defaults")) {
+            if (getParentCollection().resolve(service).getIdentifier().equalsIgnoreCase("defaults")) {
                 return subjectData.getParents(contexts).contains(subject) ||
                         transientSubjectData.getParents(contexts).contains(subject);
             } else {
                 return subjectData.getParents(contexts).contains(subject) ||
                         transientSubjectData.getParents(contexts).contains(subject) ||
-                        getContainingCollection().getDefaults().getParents(contexts).contains(subject) ||
+                        getParentCollection().resolve(service).getDefaultSubject().resolve(service).getParents(contexts).contains(subject) ||
                         service.getDefaults().getParents(contexts).contains(subject);
             }
         }
     }
 
     @Override
-    public List<Subject> getParents(@NonNull Set<Context> contexts) {
+    public Set<SubjectReference> getParents(@NonNull ContextSet contexts) {
         try (Timing ignored = service.getPlugin().getTimings().time(LPTiming.PERSISTED_SUBJECT_GET_PARENTS)) {
-            List<Subject> s = new ArrayList<>();
+            Set<SubjectReference> s = new HashSet<>();
             s.addAll(subjectData.getParents(contexts));
             s.addAll(transientSubjectData.getParents(contexts));
 
-            if (!getContainingCollection().getIdentifier().equalsIgnoreCase("defaults")) {
+            if (!getParentCollection().resolve(service).getIdentifier().equalsIgnoreCase("defaults")) {
-                s.addAll(getContainingCollection().getDefaults().getParents(contexts));
+                s.addAll(getParentCollection().resolve(service).getDefaultSubject().resolve(service).getParents(contexts));
                 s.addAll(service.getDefaults().getParents(contexts));
             }
 
-            return ImmutableList.copyOf(s);
+            return ImmutableSet.copyOf(s);
         }
     }
 
     @Override
-    public Optional<String> getOption(Set<Context> set, String key) {
+    public Optional<String> getOption(ContextSet set, String key) {
         try (Timing ignored = service.getPlugin().getTimings().time(LPTiming.PERSISTED_SUBJECT_GET_OPTION)) {
-            Optional<String> res = Optional.ofNullable(subjectData.getOptions(getActiveContexts()).get(key));
+            Optional<String> res = Optional.ofNullable(subjectData.getOptions(getActiveContextSet()).get(key));
             if (res.isPresent()) {
                 return res;
             }
 
-            res = Optional.ofNullable(transientSubjectData.getOptions(getActiveContexts()).get(key));
+            res = Optional.ofNullable(transientSubjectData.getOptions(getActiveContextSet()).get(key));
             if (res.isPresent()) {
                 return res;
             }
 
-            for (Subject parent : getParents(getActiveContexts())) {
+            for (SubjectReference parent : getParents(getActiveContextSet())) {
-                Optional<String> tempRes = parent.getOption(getActiveContexts(), key);
+                Optional<String> tempRes = parent.resolve(service).getOption(getActiveContextSet(), key);
                 if (tempRes.isPresent()) {
                     return tempRes;
                 }
             }
 
-            if (getContainingCollection().getIdentifier().equalsIgnoreCase("defaults")) {
+            if (getParentCollection().resolve(service).getIdentifier().equalsIgnoreCase("defaults")) {
                 return Optional.empty();
             }
 
-            res = getContainingCollection().getDefaults().getOption(set, key);
+            res = getParentCollection().resolve(service).getDefaultSubject().resolve(service).getOption(set, key);
             if (res.isPresent()) {
                 return res;
             }
@@ -194,9 +190,9 @@ public class PersistedSubject implements Subject {
     }
 
     @Override
-    public Set<Context> getActiveContexts() {
+    public ContextSet getActiveContextSet() {
         try (Timing ignored = service.getPlugin().getTimings().time(LPTiming.PERSISTED_SUBJECT_GET_ACTIVE_CONTEXTS)) {
-            return ImmutableSet.copyOf(LuckPermsService.convertContexts(service.getPlugin().getContextManager().getApplicableContext(this)));
+            return service.getPlugin().getContextManager().getApplicableContext(this);
         }
     }
 }

sponge/src/main/java/me/lucko/luckperms/sponge/service/persisted/PersistedSubjectData.java

@@ -24,14 +24,10 @@ package me.lucko.luckperms.sponge.service.persisted;
 
 import lombok.Getter;
 import lombok.Setter;
+import me.lucko.luckperms.api.context.ContextSet;
 import me.lucko.luckperms.sponge.service.LuckPermsService;
-import me.lucko.luckperms.sponge.service.data.CalculatedSubjectData;
+import me.lucko.luckperms.sponge.service.calculated.CalculatedSubjectData;
-import org.spongepowered.api.service.context.Context;
+import me.lucko.luckperms.sponge.service.references.SubjectReference;
-import org.spongepowered.api.service.permission.Subject;
-import org.spongepowered.api.util.Tristate;
-
-import javax.annotation.Nullable;
-import java.util.Set;
 
 /**
  * Extension of MemorySubjectData which persists data when modified
@@ -44,7 +40,7 @@ public class PersistedSubjectData extends CalculatedSubjectData {
     private boolean save = true;
 
     public PersistedSubjectData(LuckPermsService service, String calculatorDisplayName, PersistedSubject subject) {
-        super(service, calculatorDisplayName);
+        super(subject, service, calculatorDisplayName);
         this.subject = subject;
     }
 
@@ -59,7 +55,7 @@ public class PersistedSubjectData extends CalculatedSubjectData {
     }
 
     @Override
-    public boolean setPermission(Set<Context> contexts, String permission, Tristate value) {
+    public boolean setPermission(ContextSet contexts, String permission, me.lucko.luckperms.api.Tristate value) {
         boolean r = super.setPermission(contexts, permission, value);
         save();
         return r;
@@ -73,21 +69,21 @@ public class PersistedSubjectData extends CalculatedSubjectData {
     }
 
     @Override
-    public boolean clearPermissions(Set<Context> context) {
+    public boolean clearPermissions(ContextSet contexts) {
-        boolean r = super.clearPermissions(context);
+        boolean r = super.clearPermissions(contexts);
         save();
         return r;
     }
 
     @Override
-    public boolean addParent(Set<Context> contexts, Subject parent) {
+    public boolean addParent(ContextSet contexts, SubjectReference parent) {
         boolean r = super.addParent(contexts, parent);
         save();
         return r;
     }
 
     @Override
-    public boolean removeParent(Set<Context> contexts, Subject parent) {
+    public boolean removeParent(ContextSet contexts, SubjectReference parent) {
         boolean r = super.removeParent(contexts, parent);
         save();
         return r;
@@ -101,21 +97,28 @@ public class PersistedSubjectData extends CalculatedSubjectData {
     }
 
     @Override
-    public boolean clearParents(Set<Context> contexts) {
+    public boolean clearParents(ContextSet contexts) {
         boolean r = super.clearParents(contexts);
         save();
         return r;
     }
 
     @Override
-    public boolean setOption(Set<Context> contexts, String key, @Nullable String value) {
+    public boolean setOption(ContextSet contexts, String key, String value) {
         boolean r = super.setOption(contexts, key, value);
         save();
         return r;
     }
 
     @Override
-    public boolean clearOptions(Set<Context> contexts) {
+    public boolean unsetOption(ContextSet contexts, String key) {
+        boolean r = super.unsetOption(contexts, key);
+        save();
+        return r;
+    }
+
+    @Override
+    public boolean clearOptions(ContextSet contexts) {
         boolean r = super.clearOptions(contexts);
         save();
         return r;

sponge/src/main/java/me/lucko/luckperms/sponge/service/persisted/SubjectDataHolder.java

@@ -24,9 +24,8 @@ package me.lucko.luckperms.sponge.service.persisted;
 
 import lombok.ToString;
 import me.lucko.luckperms.api.context.ContextSet;
-import me.lucko.luckperms.sponge.service.data.CalculatedSubjectData;
+import me.lucko.luckperms.sponge.service.calculated.CalculatedSubjectData;
-import me.lucko.luckperms.sponge.service.data.SubjectReference;
+import me.lucko.luckperms.sponge.service.references.SubjectReference;
-import org.spongepowered.api.service.context.Context;
 
 import java.util.HashMap;
 import java.util.List;
@@ -34,8 +33,6 @@ import java.util.Map;
 import java.util.Set;
 import java.util.stream.Collectors;
 
-import static me.lucko.luckperms.sponge.service.LuckPermsService.convertContexts;
-
 /**
  * Holds SubjectData in a "gson friendly" format for serialization
  */
@@ -45,45 +42,45 @@ public class SubjectDataHolder {
     private final Map<Map<String, String>, Map<String, String>> options;
     private final Map<Map<String, String>, List<String>> parents;
 
-    public SubjectDataHolder(Map<Set<Context>, Map<String, String>> options, Map<Set<Context>, Map<String, Boolean>> permissions, Map<Set<Context>, Set<SubjectReference>> parents) {
+    public SubjectDataHolder(Map<ContextSet, Map<String, String>> options, Map<ContextSet, Map<String, Boolean>> permissions, Map<ContextSet, Set<SubjectReference>> parents) {
         this.options = new HashMap<>();
-        for (Map.Entry<Set<Context>, Map<String, String>> e : options.entrySet()) {
+        for (Map.Entry<ContextSet, Map<String, String>> e : options.entrySet()) {
-            this.options.put(convertContexts(e.getKey()).toMap(), new HashMap<>(e.getValue()));
+            this.options.put(e.getKey().toMap(), new HashMap<>(e.getValue()));
         }
 
         this.permissions = new HashMap<>();
-        for (Map.Entry<Set<Context>, Map<String, Boolean>> e : permissions.entrySet()) {
+        for (Map.Entry<ContextSet, Map<String, Boolean>> e : permissions.entrySet()) {
-            this.permissions.put(convertContexts(e.getKey()).toMap(), new HashMap<>(e.getValue()));
+            this.permissions.put(e.getKey().toMap(), new HashMap<>(e.getValue()));
         }
 
         this.parents = new HashMap<>();
-        for (Map.Entry<Set<Context>, Set<SubjectReference>> e : parents.entrySet()) {
+        for (Map.Entry<ContextSet, Set<SubjectReference>> e : parents.entrySet()) {
-            this.parents.put(convertContexts(e.getKey()).toMap(), e.getValue().stream().map(SubjectReference::serialize).collect(Collectors.toList()));
+            this.parents.put(e.getKey().toMap(), e.getValue().stream().map(SubjectReference::serialize).collect(Collectors.toList()));
         }
     }
 
     public SubjectDataHolder(CalculatedSubjectData data) {
-        this(data.getAllOptions(), data.getAllPermissions(), data.getParents());
+        this(data.getOptions(), data.getPermissions(), data.getParents());
     }
 
     public void copyTo(CalculatedSubjectData subjectData) {
         subjectData.replacePermissions(permissions.entrySet().stream()
                 .collect(Collectors.toMap(
-                        k -> convertContexts(ContextSet.fromMap(k.getKey())),
+                        k -> ContextSet.fromMap(k.getKey()),
                         Map.Entry::getValue
                 ))
         );
 
         subjectData.replaceOptions(options.entrySet().stream()
                 .collect(Collectors.toMap(
-                        k -> convertContexts(ContextSet.fromMap(k.getKey())),
+                        k -> ContextSet.fromMap(k.getKey()),
                         Map.Entry::getValue
                 ))
         );
 
         subjectData.replaceParents(parents.entrySet().stream()
                 .collect(Collectors.toMap(
-                        k -> convertContexts(ContextSet.fromMap(k.getKey())),
+                        k -> ContextSet.fromMap(k.getKey()),
                         v -> v.getValue().stream().map(SubjectReference::deserialize).collect(Collectors.toSet())
                 ))
         );

sponge/src/main/java/me/lucko/luckperms/sponge/service/references/SubjectCollectionReference.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2016 Lucko (Luck) <luck@lucko.me>
+ *
+ *  Permission is hereby granted, free of charge, to any person obtaining a copy
+ *  of this software and associated documentation files (the "Software"), to deal
+ *  in the Software without restriction, including without limitation the rights
+ *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *  copies of the Software, and to permit persons to whom the Software is
+ *  furnished to do so, subject to the following conditions:
+ *
+ *  The above copyright notice and this permission notice shall be included in all
+ *  copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ *  SOFTWARE.
+ */
+
+package me.lucko.luckperms.sponge.service.references;
+
+import lombok.AllArgsConstructor;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.ToString;
+import me.lucko.luckperms.sponge.service.LuckPermsService;
+import me.lucko.luckperms.sponge.service.base.LPSubjectCollection;
+
+@Getter
+@ToString
+@EqualsAndHashCode
+@AllArgsConstructor(staticName = "of")
+public class SubjectCollectionReference {
+
+    private final String collection;
+
+    public LPSubjectCollection resolve(LuckPermsService service) {
+        return service.getSubjects(collection);
+    }
+}

sponge/src/main/java/me/lucko/luckperms/sponge/service/references/SubjectReference.java

@@ -20,14 +20,16 @@
  *  SOFTWARE.
  */
 
-package me.lucko.luckperms.sponge.service.data;
+package me.lucko.luckperms.sponge.service.references;
 
 import com.google.common.base.Splitter;
 import lombok.AllArgsConstructor;
 import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.ToString;
-import org.spongepowered.api.service.permission.PermissionService;
+import me.lucko.luckperms.sponge.service.LuckPermsService;
+import me.lucko.luckperms.sponge.service.base.LPSubject;
+import me.lucko.luckperms.sponge.service.base.LPSubjectCollection;
 import org.spongepowered.api.service.permission.Subject;
 
 import java.util.List;
@@ -49,10 +51,14 @@ public class SubjectReference {
     private final String collection;
     private final String identifier;
 
-    public Subject resolve(PermissionService service) {
+    public LPSubject resolve(LuckPermsService service) {
         return service.getSubjects(collection).get(identifier);
     }
 
+    public LPSubjectCollection resolveCollection(LuckPermsService service) {
+        return service.getSubjects(collection);
+    }
+
     public String serialize() {
         return collection + "/" + identifier;
     }

sponge/src/main/java/me/lucko/luckperms/sponge/service/simple/SimpleCollection.java

@@ -26,30 +26,31 @@ import com.google.common.cache.CacheBuilder;
 import com.google.common.cache.CacheLoader;
 import com.google.common.cache.LoadingCache;
 import com.google.common.collect.ImmutableMap;
-import com.google.common.collect.ImmutableSet;
+import lombok.AccessLevel;
 import lombok.Getter;
 import lombok.NonNull;
 import lombok.RequiredArgsConstructor;
+import me.lucko.luckperms.api.Tristate;
+import me.lucko.luckperms.api.context.ContextSet;
 import me.lucko.luckperms.common.utils.ImmutableCollectors;
 import me.lucko.luckperms.sponge.service.LuckPermsService;
-import org.spongepowered.api.service.context.Context;
+import me.lucko.luckperms.sponge.service.base.LPSubject;
-import org.spongepowered.api.service.permission.Subject;
+import me.lucko.luckperms.sponge.service.base.LPSubjectCollection;
-import org.spongepowered.api.service.permission.SubjectCollection;
+import me.lucko.luckperms.sponge.service.references.SubjectReference;
-import org.spongepowered.api.util.Tristate;
 
+import java.util.Collection;
 import java.util.Map;
-import java.util.Set;
 
 /**
  * Super simple SubjectCollection implementation
  */
+@Getter
 @RequiredArgsConstructor
-public class SimpleCollection implements SubjectCollection {
+public class SimpleCollection implements LPSubjectCollection {
     private final LuckPermsService service;
-
-    @Getter
     private final String identifier;
 
+    @Getter(AccessLevel.NONE)
     private final LoadingCache<String, SimpleSubject> subjects = CacheBuilder.newBuilder()
             .build(new CacheLoader<String, SimpleSubject>() {
                 @Override
@@ -59,7 +60,7 @@ public class SimpleCollection implements SubjectCollection {
             });
 
     @Override
-    public Subject get(@NonNull String id) {
+    public LPSubject get(@NonNull String id) {
         return subjects.getUnchecked(id.toLowerCase());
     }
 
@@ -69,19 +70,14 @@ public class SimpleCollection implements SubjectCollection {
     }
 
     @Override
-    public Iterable<Subject> getAllSubjects() {
+    public Collection<LPSubject> getSubjects() {
-        return subjects.asMap().values().stream().map(s -> (Subject) s).collect(ImmutableCollectors.toImmutableList());
+        return subjects.asMap().values().stream().map(s -> (LPSubject) s).collect(ImmutableCollectors.toImmutableList());
     }
 
     @Override
-    public Map<Subject, Boolean> getAllWithPermission(@NonNull String id) {
+    public Map<LPSubject, Boolean> getWithPermission(@NonNull ContextSet contexts, @NonNull String node) {
-        return getAllWithPermission(ImmutableSet.of(), id);
+        ImmutableMap.Builder<LPSubject, Boolean> m = ImmutableMap.builder();
-    }
+        for (LPSubject subject : subjects.asMap().values()) {
-
-    @Override
-    public Map<Subject, Boolean> getAllWithPermission(@NonNull Set<Context> contexts, @NonNull String node) {
-        ImmutableMap.Builder<Subject, Boolean> m = ImmutableMap.builder();
-        for (Subject subject : subjects.asMap().values()) {
             Tristate ts = subject.getPermissionValue(contexts, node);
             if (ts != Tristate.UNDEFINED) {
                 m.put(subject, ts.asBoolean());
@@ -92,7 +88,7 @@ public class SimpleCollection implements SubjectCollection {
     }
 
     @Override
-    public Subject getDefaults() {
+    public SubjectReference getDefaultSubject() {
-        return service.getDefaultSubjects().get(identifier);
+        return SubjectReference.of("defaults", identifier);
     }
 }

sponge/src/main/java/me/lucko/luckperms/sponge/service/simple/SimpleSubject.java

@@ -23,20 +23,24 @@
 package me.lucko.luckperms.sponge.service.simple;
 
 import co.aikar.timings.Timing;
-import com.google.common.collect.ImmutableList;
+import com.google.common.cache.CacheBuilder;
+import com.google.common.cache.CacheLoader;
+import com.google.common.cache.LoadingCache;
 import com.google.common.collect.ImmutableSet;
 import lombok.Getter;
 import lombok.NonNull;
+import me.lucko.luckperms.api.Tristate;
+import me.lucko.luckperms.api.context.ContextSet;
 import me.lucko.luckperms.sponge.service.LuckPermsService;
-import me.lucko.luckperms.sponge.service.data.CalculatedSubjectData;
+import me.lucko.luckperms.sponge.service.base.LPSubject;
+import me.lucko.luckperms.sponge.service.calculated.CalculatedSubjectData;
+import me.lucko.luckperms.sponge.service.calculated.OptionLookup;
+import me.lucko.luckperms.sponge.service.calculated.PermissionLookup;
+import me.lucko.luckperms.sponge.service.references.SubjectCollectionReference;
+import me.lucko.luckperms.sponge.service.references.SubjectReference;
 import me.lucko.luckperms.sponge.timings.LPTiming;
-import org.spongepowered.api.command.CommandSource;
-import org.spongepowered.api.service.context.Context;
-import org.spongepowered.api.service.permission.Subject;
-import org.spongepowered.api.util.Tristate;
 
-import java.util.ArrayList;
+import java.util.HashSet;
-import java.util.List;
 import java.util.Optional;
 import java.util.Set;
 
@@ -44,35 +48,48 @@ import java.util.Set;
  * Super simple Subject implementation.
  */
 @Getter
-public class SimpleSubject implements Subject {
+public class SimpleSubject implements LPSubject {
     private final String identifier;
 
     private final LuckPermsService service;
-    private final SimpleCollection containingCollection;
+    private final SubjectCollectionReference parentCollection;
     private final CalculatedSubjectData subjectData;
     private final CalculatedSubjectData transientSubjectData;
 
+    private final LoadingCache<PermissionLookup, Tristate> permissionLookupCache = CacheBuilder.newBuilder()
+            .build(new CacheLoader<PermissionLookup, Tristate>() {
+                @Override
+                public Tristate load(PermissionLookup lookup) {
+                    return lookupPermissionValue(lookup.getContexts(), lookup.getNode());
+                }
+            });
+
+    private final LoadingCache<ContextSet, Set<SubjectReference>> parentLookupCache = CacheBuilder.newBuilder()
+            .build(new CacheLoader<ContextSet, Set<SubjectReference>>() {
+                @Override
+                public Set<SubjectReference> load(ContextSet contexts) {
+                    return lookupParents(contexts);
+                }
+            });
+
+    private final LoadingCache<OptionLookup, Optional<String>> optionLookupCache = CacheBuilder.newBuilder()
+            .build(new CacheLoader<OptionLookup, Optional<String>>() {
+                @Override
+                public Optional<String> load(OptionLookup lookup) {
+                    return lookupOptionValue(lookup.getContexts(), lookup.getKey());
+                }
+            });
+
     public SimpleSubject(String identifier, LuckPermsService service, SimpleCollection containingCollection) {
         this.identifier = identifier;
         this.service = service;
-        this.containingCollection = containingCollection;
+        this.parentCollection = containingCollection.toReference();
-        this.subjectData = new CalculatedSubjectData(service, "local:" + containingCollection.getIdentifier() + "/" + identifier + "(p)");
+        this.subjectData = new CalculatedSubjectData(this, service, "local:" + containingCollection.getIdentifier() + "/" + identifier + "(p)");
-        this.transientSubjectData = new CalculatedSubjectData(service, "local:" + containingCollection.getIdentifier() + "/" + identifier + "(t)");
+        this.transientSubjectData = new CalculatedSubjectData(this, service, "local:" + containingCollection.getIdentifier() + "/" + identifier + "(t)");
+        service.getLocalPermissionCaches().add(permissionLookupCache);
     }
 
-    @Override
+    private Tristate lookupPermissionValue(ContextSet contexts, String node) {
-    public Optional<CommandSource> getCommandSource() {
-        return Optional.empty();
-    }
-
-    @Override
-    public boolean hasPermission(@NonNull Set<Context> contexts, @NonNull String node) {
-        return getPermissionValue(contexts, node).asBoolean();
-    }
-
-    @Override
-    public Tristate getPermissionValue(@NonNull Set<Context> contexts, @NonNull String node) {
-        try (Timing ignored = service.getPlugin().getTimings().time(LPTiming.SIMPLE_SUBJECT_GET_PERMISSION_VALUE)) {
         Tristate res = transientSubjectData.getPermissionValue(contexts, node);
         if (res != Tristate.UNDEFINED) {
             return res;
@@ -83,18 +100,18 @@ public class SimpleSubject implements Subject {
             return res;
         }
 
-            for (Subject parent : getParents(contexts)) {
+        for (SubjectReference parent : getParents(contexts)) {
-                res = parent.getPermissionValue(contexts, node);
+            res = parent.resolve(service).getPermissionValue(contexts, node);
             if (res != Tristate.UNDEFINED) {
                 return res;
             }
         }
 
-            if (getContainingCollection().getIdentifier().equalsIgnoreCase("defaults")) {
+        if (getParentCollection().resolve(service).getIdentifier().equalsIgnoreCase("defaults")) {
             return Tristate.UNDEFINED;
         }
 
-            res = getContainingCollection().getDefaults().getPermissionValue(contexts, node);
+        res = getParentCollection().resolve(service).getDefaultSubject().resolve(service).getPermissionValue(contexts, node);
         if (res != Tristate.UNDEFINED) {
             return res;
         }
@@ -102,68 +119,82 @@ public class SimpleSubject implements Subject {
         res = service.getDefaults().getPermissionValue(contexts, node);
         return res;
     }
+
+    private Set<SubjectReference> lookupParents(ContextSet contexts) {
+        Set<SubjectReference> s = new HashSet<>();
+        s.addAll(subjectData.getParents(contexts));
+
+        if (!getParentCollection().resolve(service).getIdentifier().equalsIgnoreCase("defaults")){
+            s.addAll(getParentCollection().resolve(service).getDefaultSubject().resolve(service).getParents(contexts));
+            s.addAll(service.getDefaults().getParents(contexts));
+        }
+
+        return ImmutableSet.copyOf(s);
+    }
+
+    private Optional<String> lookupOptionValue(ContextSet contexts, String key) {
+        Optional<String> res = Optional.ofNullable(subjectData.getOptions(contexts).get(key));
+        if (res.isPresent()) {
+            return res;
+        }
+
+        for (SubjectReference parent : getParents(getActiveContextSet())) {
+            Optional<String> tempRes = parent.resolve(service).getOption(contexts, key);
+            if (tempRes.isPresent()) {
+                return tempRes;
+            }
+        }
+
+        if (getParentCollection().resolve(service).getIdentifier().equalsIgnoreCase("defaults")) {
+            return Optional.empty();
+        }
+
+        res = getParentCollection().resolve(service).getDefaultSubject().resolve(service).getOption(contexts, key);
+        if (res.isPresent()) {
+            return res;
+        }
+
+        return service.getDefaults().getOption(contexts, key);
     }
 
     @Override
-    public boolean isChildOf(@NonNull Set<Context> contexts, @NonNull Subject subject) {
+    public Tristate getPermissionValue(@NonNull ContextSet contexts, @NonNull String node) {
+        try (Timing ignored = service.getPlugin().getTimings().time(LPTiming.SIMPLE_SUBJECT_GET_PERMISSION_VALUE)) {
+            return permissionLookupCache.getUnchecked(PermissionLookup.of(node, contexts));
+        }
+    }
+
+    @Override
+    public boolean isChildOf(@NonNull ContextSet contexts, @NonNull SubjectReference subject) {
         try (Timing ignored = service.getPlugin().getTimings().time(LPTiming.SIMPLE_SUBJECT_IS_CHILD_OF)) {
-            if (getContainingCollection().getIdentifier().equalsIgnoreCase("defaults")) {
+            if (getParentCollection().resolve(service).getIdentifier().equalsIgnoreCase("defaults")) {
                 return subjectData.getParents(contexts).contains(subject);
             } else {
                 return subjectData.getParents(contexts).contains(subject) ||
-                        getContainingCollection().getDefaults().getParents(contexts).contains(subject) ||
+                        getParentCollection().resolve(service).getDefaultSubject().resolve(service).getParents(contexts).contains(subject) ||
                         service.getDefaults().getParents(contexts).contains(subject);
             }
         }
     }
 
     @Override
-    public List<Subject> getParents(@NonNull Set<Context> contexts) {
+    public Set<SubjectReference> getParents(@NonNull ContextSet contexts) {
         try (Timing ignored = service.getPlugin().getTimings().time(LPTiming.SIMPLE_SUBJECT_GET_PARENTS)) {
-            List<Subject> s = new ArrayList<>();
+            return parentLookupCache.getUnchecked(contexts);
-            s.addAll(subjectData.getParents(contexts));
-
-            if (!getContainingCollection().getIdentifier().equalsIgnoreCase("defaults")){
-                s.addAll(getContainingCollection().getDefaults().getParents(contexts));
-                s.addAll(service.getDefaults().getParents(contexts));
-            }
-
-            return ImmutableList.copyOf(s);
         }
     }
 
     @Override
-    public Optional<String> getOption(Set<Context> set, String key) {
+    public Optional<String> getOption(ContextSet contexts, String key) {
         try (Timing ignored = service.getPlugin().getTimings().time(LPTiming.SIMPLE_SUBJECT_GET_OPTION)) {
-            Optional<String> res = Optional.ofNullable(subjectData.getOptions(getActiveContexts()).get(key));
+            return optionLookupCache.getUnchecked(OptionLookup.of(key, contexts));
-            if (res.isPresent()) {
-                return res;
-            }
-
-            for (Subject parent : getParents(getActiveContexts())) {
-                Optional<String> tempRes = parent.getOption(getActiveContexts(), key);
-                if (tempRes.isPresent()) {
-                    return tempRes;
-                }
-            }
-
-            if (getContainingCollection().getIdentifier().equalsIgnoreCase("defaults")) {
-                return Optional.empty();
-            }
-
-            res = getContainingCollection().getDefaults().getOption(set, key);
-            if (res.isPresent()) {
-                return res;
-            }
-
-            return service.getDefaults().getOption(set, key);
         }
     }
 
     @Override
-    public Set<Context> getActiveContexts() {
+    public ContextSet getActiveContextSet() {
         try (Timing ignored = service.getPlugin().getTimings().time(LPTiming.SIMPLE_SUBJECT_GET_ACTIVE_CONTEXTS)) {
-            return ImmutableSet.copyOf(LuckPermsService.convertContexts(service.getPlugin().getContextManager().getApplicableContext(this)));
+            return service.getPlugin().getContextManager().getApplicableContext(this);
         }
     }
 }