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Optimize the query cache a bit.

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This commit is contained in:
sk89q 2014-08-17 19:08:20 -07:00
parent 3ca147e405
commit d43eb3bc34
1 changed files with 10 additions and 6 deletions
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16
src/main/java/com/sk89q/worldguard/bukkit/QueryCache.java
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@ -37,7 +37,7 @@
*/
class QueryCache {
private final ConcurrentMap<CacheKey, ApplicableRegionSet> cache = new ConcurrentHashMap<CacheKey, ApplicableRegionSet>();
private final ConcurrentMap<CacheKey, ApplicableRegionSet> cache = new ConcurrentHashMap<CacheKey, ApplicableRegionSet>(16, 0.75f, 2);
/**
* Get from the cache a {@code ApplicableRegionSet} if an entry exists;
@ -76,12 +76,20 @@ private static class CacheKey {
private final int x;
private final int y;
private final int z;
private final int hashCode;
private CacheKey(Location location) {
this.world = location.getWorld();
this.x = location.getBlockX();
this.y = location.getBlockY();
this.z = location.getBlockZ();
// Pre-compute hash code
int result = world.hashCode();
result = 31 * result + x;
result = 31 * result + y;
result = 31 * result + z;
this.hashCode = result;
}
@Override
@ -101,11 +109,7 @@ public boolean equals(Object o) {
@Override
public int hashCode() {
int result = world.hashCode();
result = 31 * result + x;
result = 31 * result + y;
result = 31 * result + z;
return result;
return hashCode;
}
}