org.hibernate.engine.internal.CacheHelper Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2013, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.engine.internal;
import java.io.Serializable;
import org.hibernate.cache.spi.CacheKey;
import org.hibernate.cache.spi.NaturalIdCacheKey;
import org.hibernate.cache.spi.access.NaturalIdRegionAccessStrategy;
import org.hibernate.cache.spi.access.RegionAccessStrategy;
import org.hibernate.engine.spi.SessionImplementor;
/**
* @author Steve Ebersole
*/
public class CacheHelper {
public static Serializable fromSharedCache(
SessionImplementor session,
NaturalIdCacheKey cacheKey,
NaturalIdRegionAccessStrategy cacheAccessStrategy) {
return fromSharedCache( session, (Object) cacheKey, cacheAccessStrategy );
}
private static Serializable fromSharedCache(
SessionImplementor session,
Object cacheKey,
RegionAccessStrategy cacheAccessStrategy) {
Serializable cachedValue = null;
try {
session.getEventListenerManager().cacheGetStart();
cachedValue = (Serializable) cacheAccessStrategy.get( cacheKey, session.getTimestamp() );
}
finally {
session.getEventListenerManager().cacheGetEnd( cachedValue != null );
}
return cachedValue;
}
public static Serializable fromSharedCache(
SessionImplementor session,
CacheKey cacheKey,
RegionAccessStrategy cacheAccessStrategy) {
return fromSharedCache( session, (Object) cacheKey, cacheAccessStrategy );
}
}