org.hibernate.stat.internal.ConcurrentSecondLevelCacheStatisticsImpl Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or .
*/
package org.hibernate.stat.internal;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.atomic.AtomicLong;
import org.hibernate.cache.spi.Region;
import org.hibernate.cache.spi.access.CollectionRegionAccessStrategy;
import org.hibernate.cache.spi.access.EntityRegionAccessStrategy;
import org.hibernate.stat.SecondLevelCacheStatistics;
/**
* Second level cache statistics of a specific region
*
* @author Alex Snaps
*/
public class ConcurrentSecondLevelCacheStatisticsImpl extends CategorizedStatistics implements SecondLevelCacheStatistics {
private final transient Region region;
private final transient EntityRegionAccessStrategy entityRegionAccessStrategy;
private final transient CollectionRegionAccessStrategy collectionRegionAccessStrategy;
private AtomicLong hitCount = new AtomicLong();
private AtomicLong missCount = new AtomicLong();
private AtomicLong putCount = new AtomicLong();
ConcurrentSecondLevelCacheStatisticsImpl(
Region region,
EntityRegionAccessStrategy entityRegionAccessStrategy,
CollectionRegionAccessStrategy collectionRegionAccessStrategy) {
super( region.getName() );
this.region = region;
this.entityRegionAccessStrategy = entityRegionAccessStrategy;
this.collectionRegionAccessStrategy = collectionRegionAccessStrategy;
}
public long getHitCount() {
return hitCount.get();
}
public long getMissCount() {
return missCount.get();
}
public long getPutCount() {
return putCount.get();
}
public long getElementCountInMemory() {
return region.getElementCountInMemory();
}
public long getElementCountOnDisk() {
return region.getElementCountOnDisk();
}
public long getSizeInMemory() {
return region.getSizeInMemory();
}
public Map getEntries() {
Map map = new HashMap();
for ( Object o : region.toMap().entrySet() ) {
Map.Entry me = (Map.Entry) o;
Object id;
if ( entityRegionAccessStrategy != null ) {
id = entityRegionAccessStrategy.getCacheKeyId( me.getKey() );
}
else if ( collectionRegionAccessStrategy != null ) {
id = collectionRegionAccessStrategy.getCacheKeyId( me.getKey() );
}
else {
id = me.getKey();
}
map.put( id, me.getValue() );
}
return map;
}
public String toString() {
StringBuilder buf = new StringBuilder()
.append( "SecondLevelCacheStatistics" )
.append( "[hitCount=").append( this.hitCount )
.append( ",missCount=").append( this.missCount )
.append( ",putCount=").append( this.putCount );
//not sure if this would ever be null but wanted to be careful
if ( region != null ) {
buf.append( ",elementCountInMemory=" ).append( this.getElementCountInMemory() )
.append( ",elementCountOnDisk=" ).append( this.getElementCountOnDisk() )
.append( ",sizeInMemory=" ).append( this.getSizeInMemory() );
}
buf.append( ']' );
return buf.toString();
}
void incrementHitCount() {
hitCount.getAndIncrement();
}
void incrementMissCount() {
missCount.getAndIncrement();
}
void incrementPutCount() {
putCount.getAndIncrement();
}
}