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Some small fixes and changes for ContextSet implementations

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Luck 2018-04-27 18:50:36 +01:00
parent fef6ebf793
commit 3784d904fb
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6 changed files with 117 additions and 28 deletions
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16
api/src/main/java/me/lucko/luckperms/api/context/AbstractContextSet.java
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@ -25,12 +25,11 @@
package me.lucko.luckperms.api.context;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Multimap;
import com.google.common.collect.SetMultimap;
import java.util.Collection;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
@ -38,18 +37,9 @@ import javax.annotation.Nonnull;
abstract class AbstractContextSet implements ContextSet {
protected abstract Multimap<String, String> backing();
protected abstract SetMultimap<String, String> backing();
@Nonnull
@Override
@Deprecated
public Map<String, String> toMap() {
ImmutableMap.Builder<String, String> m = ImmutableMap.builder();
for (Map.Entry<String, String> e : backing().entries()) {
m.put(e.getKey(), e.getValue());
}
return m.build();
}
protected abstract void copyTo(SetMultimap<String, String> other);
@Override
public boolean containsKey(@Nonnull String key) {

17
api/src/main/java/me/lucko/luckperms/api/context/ContextSet.java
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@ -27,6 +27,7 @@ package me.lucko.luckperms.api.context;
import com.google.common.collect.Multimap;
import java.util.Iterator;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
@ -60,7 +61,7 @@ import javax.annotation.Nonnull;
*
* @since 2.13
*/
public interface ContextSet {
public interface ContextSet extends Iterable<Map.Entry<String, String>> {
/**
* Creates an {@link ImmutableContextSet} from a context pair.
@ -230,6 +231,20 @@ public interface ContextSet {
@Nonnull
Multimap<String, String> toMultimap();
/**
* Returns an {@link Iterator} over each of the context pairs in this set.
*
* <p>The returned iterator represents the state of the set at the time of creation. It is not
* updated as the set changes.</p>
*
* <p>The iterator does not support {@link Iterator#remove()} calls.</p>
*
* @return an iterator
*/
@Nonnull
@Override
Iterator<Map.Entry<String, String>> iterator();
/**
* Returns if the {@link ContextSet} contains at least one value for the
* given key.

33
api/src/main/java/me/lucko/luckperms/api/context/ImmutableContextSet.java
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@ -25,12 +25,16 @@
package me.lucko.luckperms.api.context;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSetMultimap;
import com.google.common.collect.Multimap;
import com.google.common.collect.SetMultimap;
import java.util.Iterator;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import java.util.Spliterator;
import javax.annotation.Nonnull;
import javax.annotation.concurrent.Immutable;
@ -164,10 +168,15 @@ public final class ImmutableContextSet extends AbstractContextSet implements Con
}
@Override
protected Multimap<String, String> backing() {
protected SetMultimap<String, String> backing() {
return this.map;
}
@Override
protected void copyTo(SetMultimap<String, String> other) {
other.putAll(this.map);
}
@Override
public boolean isImmutable() {
return true;
@ -192,12 +201,34 @@ public final class ImmutableContextSet extends AbstractContextSet implements Con
return this.map.entries();
}
@Nonnull
@Override
@Deprecated
public Map<String, String> toMap() {
ImmutableMap.Builder<String, String> m = ImmutableMap.builder();
for (Map.Entry<String, String> e : this.map.entries()) {
m.put(e.getKey(), e.getValue());
}
return m.build();
}
@Nonnull
@Override
public Multimap<String, String> toMultimap() {
return this.map;
}
@Nonnull
@Override
public Iterator<Map.Entry<String, String>> iterator() {
return this.map.entries().iterator();
}
@Override
public Spliterator<Map.Entry<String, String>> spliterator() {
return this.map.entries().spliterator();
}
@Override
public int hashCode() {
return this.hashCode;

63
api/src/main/java/me/lucko/luckperms/api/context/MutableContextSet.java
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@ -26,15 +26,18 @@
package me.lucko.luckperms.api.context;
import com.google.common.collect.HashMultimap;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.ImmutableSetMultimap;
import com.google.common.collect.Multimap;
import com.google.common.collect.Multimaps;
import com.google.common.collect.SetMultimap;
import java.util.Iterator;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import java.util.Spliterator;
import javax.annotation.Nonnull;
@ -143,10 +146,18 @@ public final class MutableContextSet extends AbstractContextSet implements Conte
@Nonnull
public static MutableContextSet fromSet(@Nonnull ContextSet contextSet) {
Objects.requireNonNull(contextSet, "contextSet");
if (contextSet instanceof ImmutableContextSet) {
SetMultimap<String, String> map = ((ImmutableContextSet) contextSet).backing();
return new MutableContextSet(map);
} else if (contextSet instanceof MutableContextSet) {
return contextSet.mutableCopy();
} else {
MutableContextSet set = create();
set.addAll(contextSet);
return set;
}
}
/**
* Creates a new empty MutableContextSet.
@ -164,15 +175,22 @@ public final class MutableContextSet extends AbstractContextSet implements Conte
this.map = Multimaps.synchronizedSetMultimap(HashMultimap.create());
}
private MutableContextSet(MutableContextSet other) {
this.map = Multimaps.synchronizedSetMultimap(HashMultimap.create(other.map));
private MutableContextSet(SetMultimap<String, String> other) {
this.map = Multimaps.synchronizedSetMultimap(HashMultimap.create(other));
}
@Override
protected Multimap<String, String> backing() {
protected SetMultimap<String, String> backing() {
return this.map;
}
@Override
protected void copyTo(SetMultimap<String, String> other) {
synchronized (this.map) {
other.putAll(this.map);
}
}
@Override
public boolean isImmutable() {
return false;
@ -185,26 +203,59 @@ public final class MutableContextSet extends AbstractContextSet implements Conte
if (this.map.isEmpty()) {
return ImmutableContextSet.empty();
}
synchronized (this.map) {
return new ImmutableContextSet(ImmutableSetMultimap.copyOf(this.map));
}
}
@Nonnull
@Override
public MutableContextSet mutableCopy() {
return new MutableContextSet(this);
synchronized (this.map) {
return new MutableContextSet(this.map);
}
}
@Nonnull
@Override
public Set<Map.Entry<String, String>> toSet() {
synchronized (this.map) {
// map.entries() returns immutable Map.Entry instances, so we can just call copyOf
return ImmutableSet.copyOf(this.map.entries());
}
}
@Nonnull
@Override
@Deprecated
public Map<String, String> toMap() {
ImmutableMap.Builder<String, String> m = ImmutableMap.builder();
synchronized (this.map) {
for (Map.Entry<String, String> e : this.map.entries()) {
m.put(e.getKey(), e.getValue());
}
}
return m.build();
}
@Nonnull
@Override
public Multimap<String, String> toMultimap() {
synchronized (this.map) {
return ImmutableSetMultimap.copyOf(this.map);
}
}
@Nonnull
@Override
public Iterator<Map.Entry<String, String>> iterator() {
return toSet().iterator();
}
@Override
public Spliterator<Map.Entry<String, String>> spliterator() {
return toSet().spliterator();
}
/**
* Adds a context to this set.
@ -271,7 +322,9 @@ public final class MutableContextSet extends AbstractContextSet implements Conte
Objects.requireNonNull(contextSet, "contextSet");
if (contextSet instanceof AbstractContextSet) {
AbstractContextSet other = ((AbstractContextSet) contextSet);
this.map.putAll(other.backing());
synchronized (this.map) {
other.copyTo(this.map);
}
} else {
addAll(contextSet.toMultimap());
}

2
sponge/sponge-service/src/main/java/me/lucko/luckperms/sponge/service/context/DelegatingImmutableContextSet.java
View File

@ -77,7 +77,7 @@ public class DelegatingImmutableContextSet extends AbstractDelegatingContextSet
}
private final class ContextSetIterator implements Iterator<Context> {
private final Iterator<Map.Entry<String, String>> it = DelegatingImmutableContextSet.this.delegate.toSet().iterator();
private final Iterator<Map.Entry<String, String>> it = DelegatingImmutableContextSet.this.delegate.iterator();
@Override
public boolean hasNext() {

2
sponge/sponge-service/src/main/java/me/lucko/luckperms/sponge/service/context/DelegatingMutableContextSet.java
View File

@ -96,7 +96,7 @@ public class DelegatingMutableContextSet extends AbstractDelegatingContextSet {
}
private final class ContextSetIterator implements Iterator<Context> {
private final Iterator<Map.Entry<String, String>> it = DelegatingMutableContextSet.this.delegate.toSet().iterator();
private final Iterator<Map.Entry<String, String>> it = DelegatingMutableContextSet.this.delegate.iterator();
private Context current;
@Override