Cache collation keys - resolves #90

This commit is contained in:
Luck 2016-12-18 09:42:07 +00:00
parent dadca97d8a
commit d9d01e09aa
No known key found for this signature in database
GPG Key ID: EFA9B3EC5FD90F8B

View File

@ -25,9 +25,14 @@ package me.lucko.luckperms.common.core;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;
import me.lucko.luckperms.api.LocalizedNode;
import me.lucko.luckperms.api.Node;
import java.text.CollationKey;
import java.text.Collator;
import java.util.Comparator;
import java.util.Locale;
@ -35,16 +40,21 @@ import java.util.Locale;
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public class PriorityComparator implements Comparator<LocalizedNode> {
private static final PriorityComparator INSTANCE = new PriorityComparator();
public static Comparator<LocalizedNode> get() {
return INSTANCE;
}
public static Comparator<LocalizedNode> reverse() {
return INSTANCE.reversed();
}
private final Collator collator = Collator.getInstance(Locale.ENGLISH);
private final LoadingCache<String, CollationKey> collationKeyCache = CacheBuilder.newBuilder()
.build(new CacheLoader<String, CollationKey>() {
@Override
public CollationKey load(String s) throws Exception {
return collator.getCollationKey(s);
}
});
@Override
public int compare(LocalizedNode one, LocalizedNode two) {
@ -87,6 +97,14 @@ public class PriorityComparator implements Comparator<LocalizedNode> {
return o1.getWildcardLevel() > o2.getWildcardLevel() ? 1 : -1;
}
return collator.compare(o1.getPermission(), o2.getPermission()) == 1 ? -1 : 1;
try {
CollationKey o1c = collationKeyCache.get(o1.getPermission());
CollationKey o2c = collationKeyCache.get(o2.getPermission());
return o1c.compareTo(o2c) == 1 ? -1 : 1;
} catch (Exception e) {
// ignored
}
return 1;
}
}