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Fix ConcurrentPlayerMap to use SafeCacheBuilder

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This commit is contained in:
YukonAppleGeek 2013-12-10 16:36:56 -08:00
parent 922fb94804
commit d166baf721
2 changed files with 12 additions and 15 deletions
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23
ProtocolLib/src/main/java/com/comphenix/protocol/concurrency/ConcurrentPlayerMap.java
View File

@ -8,12 +8,11 @@ import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.ExecutionException;
import com.comphenix.protocol.utility.SafeCacheBuilder;
import org.bukkit.Bukkit;
import org.bukkit.entity.Player;
import com.google.common.base.Function;
import com.google.common.cache.Cache;
import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.RemovalListener;
import com.google.common.cache.RemovalNotification;
@ -62,8 +61,8 @@ public class ConcurrentPlayerMap<TValue> extends AbstractMap<Player, TValue> imp
/**
* A cache of the associated keys for each player.
*/
protected Cache<Object, Player> keyLookup = createKeyCache();
protected ConcurrentMap<Object, Player> keyLookup = createKeyCache();
/**
* The method used to retrieve a unique key for a player.
*/
@ -115,8 +114,8 @@ public class ConcurrentPlayerMap<TValue> extends AbstractMap<Player, TValue> imp
* Construct a cache of keys and the associated player.
* @return The key map.
*/
protected Cache<Object, Player> createKeyCache() {
return CacheBuilder.newBuilder().
protected ConcurrentMap<Object, Player> createKeyCache() {
return SafeCacheBuilder.newBuilder().
weakValues().
removalListener(
new RemovalListener<Object, Player>() {
@ -154,7 +153,7 @@ public class ConcurrentPlayerMap<TValue> extends AbstractMap<Player, TValue> imp
if (newPlayer != null) {
// Update the reference
keyLookup.asMap().put(key, newPlayer);
keyLookup.put(key, newPlayer);
} else {
valueLookup.remove(key);
}
@ -183,8 +182,6 @@ public class ConcurrentPlayerMap<TValue> extends AbstractMap<Player, TValue> imp
protected Player lookupPlayer(Object key) {
try {
return keyLookup.get(key);
} catch (ExecutionException e) {
return null;
} catch (UncheckedExecutionException e) {
return null;
}
@ -198,7 +195,7 @@ public class ConcurrentPlayerMap<TValue> extends AbstractMap<Player, TValue> imp
protected Object cachePlayerKey(Player player) {
Object key = keyMethod.apply(player);
keyLookup.asMap().put(key, player);
keyLookup.put(key, player);
return key;
}
@ -228,7 +225,7 @@ public class ConcurrentPlayerMap<TValue> extends AbstractMap<Player, TValue> imp
Object playerKey = keyMethod.apply((Player) key);
TValue value = valueLookup.remove(playerKey);
keyLookup.asMap().remove(playerKey);
keyLookup.remove(playerKey);
return value;
}
return null;
@ -240,7 +237,7 @@ public class ConcurrentPlayerMap<TValue> extends AbstractMap<Player, TValue> imp
Object playerKey = keyMethod.apply((Player) key);
if (valueLookup.remove(playerKey, value)) {
keyLookup.asMap().remove(playerKey);
keyLookup.remove(playerKey);
return true;
}
}
@ -277,7 +274,7 @@ public class ConcurrentPlayerMap<TValue> extends AbstractMap<Player, TValue> imp
@Override
public void clear() {
valueLookup.clear();
keyLookup.invalidateAll();
keyLookup.clear();
}
};
}
@ -300,7 +297,7 @@ public class ConcurrentPlayerMap<TValue> extends AbstractMap<Player, TValue> imp
if (player == null) {
// Remove entries that cannot be found
source.remove();
keyLookup.asMap().remove(entry.getKey());
keyLookup.remove(entry.getKey());
} else {
return new SimpleEntry<Player, TValue>(player, entry.getValue());
}

2
ProtocolLib/src/main/java/com/comphenix/protocol/utility/SafeCacheBuilder.java
View File

@ -199,7 +199,7 @@ public class SafeCacheBuilder<K, V> {
* @throws IllegalStateException if a removal listener was already set
*/
@SuppressWarnings("unchecked")
public <K1 extends K, V1 extends V> SafeCacheBuilder<K1, V1> removalListener(RemovalListener<? super K, ? super V> listener) {
public <K1 extends K, V1 extends V> SafeCacheBuilder<K1, V1> removalListener(RemovalListener<? super K1, ? super V1> listener) {
builder.removalListener(listener);
return (SafeCacheBuilder<K1, V1>) this;
}