/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010-2011, 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.testing.cache;
import org.jboss.logging.Logger;
import org.hibernate.cache.CacheException;
import org.hibernate.cache.spi.GeneralDataRegion;
import org.hibernate.cache.spi.access.RegionAccessStrategy;
import org.hibernate.cache.spi.access.SoftLock;
import org.hibernate.internal.CoreMessageLogger;
/**
* @author Strong Liu
*/
abstract class BaseRegionAccessStrategy implements RegionAccessStrategy {
private static final CoreMessageLogger LOG = Logger.getMessageLogger(
CoreMessageLogger.class, BaseRegionAccessStrategy.class.getName()
);
protected abstract BaseGeneralDataRegion getInternalRegion();
protected abstract boolean isDefaultMinimalPutOverride();
@Override
public Object get(Object key, long txTimestamp) throws CacheException {
return getInternalRegion().get( key );
}
@Override
public boolean putFromLoad(Object key, Object value, long txTimestamp, Object version) throws CacheException {
return putFromLoad( key, value, txTimestamp, version, isDefaultMinimalPutOverride() );
}
@Override
public boolean putFromLoad(Object key, Object value, long txTimestamp, Object version, boolean minimalPutOverride)
throws CacheException {
if ( key == null || value == null ) {
return false;
}
if ( minimalPutOverride && getInternalRegion().contains( key ) ) {
LOG.debugf( "Item already cached: %s", key );
return false;
}
LOG.debugf( "Caching: %s", key );
getInternalRegion().put( key, value );
return true;
}
@Override
public SoftLock lockItem(Object key, Object version) throws CacheException {
return null;
}
@Override
public SoftLock lockRegion() throws CacheException {
return null;
}
@Override
public void unlockItem(Object key, SoftLock lock) throws CacheException {
}
@Override
public void unlockRegion(SoftLock lock) throws CacheException {
evictAll();
}
@Override
public void remove(Object key) throws CacheException {
evict( key );
}
@Override
public void removeAll() throws CacheException {
evictAll();
}
@Override
public void evict(Object key) throws CacheException {
getInternalRegion().evict( key );
}
@Override
public void evictAll() throws CacheException {
getInternalRegion().evictAll();
}
}