Hibernate example source code file (CachingRegionFactory.java)

This example Hibernate source code file (CachingRegionFactory.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Hibernate tags/keywords

basegeneraldataregion, cachedatadescription, cacheexception, cacheexception, cachingregionfactory, cachingregionfactory, override, override, properties, properties, queryresultsregion, queryresultsregionimpl, timestampsregion, timestampsregionimpl, util

The Hibernate CachingRegionFactory.java source code

/*
 * 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 java.util.Properties;

import org.jboss.logging.Logger;

import org.hibernate.cache.CacheException;
import org.hibernate.cache.internal.Timestamper;
import org.hibernate.cache.spi.CacheDataDescription;
import org.hibernate.cache.spi.CollectionRegion;
import org.hibernate.cache.spi.EntityRegion;
import org.hibernate.cache.spi.QueryResultsRegion;
import org.hibernate.cache.spi.RegionFactory;
import org.hibernate.cache.spi.TimestampsRegion;
import org.hibernate.cache.spi.access.AccessType;
import org.hibernate.cfg.Settings;
import org.hibernate.internal.CoreMessageLogger;

/**
 * @author Strong Liu
 */
public class CachingRegionFactory implements RegionFactory {
	private static final CoreMessageLogger LOG = Logger.getMessageLogger(
			CoreMessageLogger.class, CachingRegionFactory.class.getName()
	);
	private Settings settings;
	public CachingRegionFactory() {
		LOG.warn( "CachingRegionFactory should be only used for testing." );
	}

	public CachingRegionFactory(Properties properties) {
		//add here to avoid run into catch
		LOG.warn( "CachingRegionFactory should be only used for testing." );
	}

	@Override
	public void start(Settings settings, Properties properties) throws CacheException {
		this.settings=settings;
	}

	@Override
	public void stop() {
	}

	@Override
	public boolean isMinimalPutsEnabledByDefault() {
		return false;
	}

	@Override
	public AccessType getDefaultAccessType() {
		return AccessType.NONSTRICT_READ_WRITE;
	}

	@Override
	public long nextTimestamp() {
		return Timestamper.next();
	}

	@Override
	public EntityRegion buildEntityRegion(String regionName, Properties properties, CacheDataDescription metadata)
			throws CacheException {
		return new EntityRegionImpl( regionName, metadata, settings );
	}

	@Override
	public CollectionRegion buildCollectionRegion(String regionName, Properties properties, CacheDataDescription metadata)
			throws CacheException {
		return new CollectionRegionImpl( regionName, metadata, settings );
	}

	@Override
	public QueryResultsRegion buildQueryResultsRegion(String regionName, Properties properties) throws CacheException {
		return new QueryResultsRegionImpl( regionName );
	}

	@Override
	public TimestampsRegion buildTimestampsRegion(String regionName, Properties properties) throws CacheException {
		return new TimestampsRegionImpl( regionName );
	}

	private static class QueryResultsRegionImpl extends BaseGeneralDataRegion implements QueryResultsRegion {
		QueryResultsRegionImpl(String name) {
			super( name );
		}
	}

	private static class TimestampsRegionImpl extends BaseGeneralDataRegion implements TimestampsRegion {
		TimestampsRegionImpl(String name) {
			super( name );
		}
	}
}