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The core O/RM functionality as provided by Hibernate
/*
* 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 http://www.gnu.org/licenses/lgpl-2.1.html
*/
package org.hibernate.cache.spi.support;
import org.hibernate.cache.cfg.spi.NaturalIdDataCachingConfig;
import org.hibernate.cache.spi.CacheKeysFactory;
import org.hibernate.cache.spi.DomainDataRegion;
import org.hibernate.cache.spi.access.NaturalIdDataAccess;
import org.hibernate.cache.spi.access.SoftLock;
import org.hibernate.engine.spi.SharedSessionContractImplementor;
import org.hibernate.persister.entity.EntityPersister;
/**
* @author Steve Ebersole
*/
public abstract class AbstractNaturalIdDataAccess extends AbstractCachedDomainDataAccess implements NaturalIdDataAccess {
private final CacheKeysFactory keysFactory;
public AbstractNaturalIdDataAccess(
DomainDataRegion region,
CacheKeysFactory keysFactory,
DomainDataStorageAccess storageAccess,
NaturalIdDataCachingConfig config) {
super( region, storageAccess );
this.keysFactory = keysFactory;
}
@Override
public Object generateCacheKey(
Object[] naturalIdValues,
EntityPersister persister,
SharedSessionContractImplementor session) {
return keysFactory.createNaturalIdKey( naturalIdValues, persister, session );
}
@Override
public Object[] getNaturalIdValues(Object cacheKey) {
return keysFactory.getNaturalIdValues( cacheKey );
}
@Override
public boolean insert(SharedSessionContractImplementor session, Object key, Object value) {
getStorageAccess().putIntoCache( key, value, session );
return true;
}
@Override
public boolean afterInsert(SharedSessionContractImplementor session, Object key, Object value) {
return false;
}
@Override
public boolean update(SharedSessionContractImplementor session, Object key, Object value) {
getStorageAccess().putIntoCache( key, value, session );
return true;
}
@Override
public boolean afterUpdate(SharedSessionContractImplementor session, Object key, Object value, SoftLock lock) {
return false;
}
@Override
public SoftLock lockRegion() {
return null;
}
@Override
public void unlockRegion(SoftLock lock) {
clearCache();
}
public SoftLock lockItem(
SharedSessionContractImplementor session,
Object key,
Object version) {
return null;
}
@Override
public void unlockItem(
SharedSessionContractImplementor session,
Object key,
SoftLock lock) {
}
}