org.hibernate.cache.internal.NoCachingRegionFactory Maven / Gradle / Ivy

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/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2010, 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.cache.internal;

import java.util.Properties;

import org.hibernate.cache.CacheException;
import org.hibernate.cache.NoCacheRegionFactoryAvailableException;
import org.hibernate.cache.spi.CacheDataDescription;
import org.hibernate.cache.spi.CollectionRegion;
import org.hibernate.cache.spi.EntityRegion;
import org.hibernate.cache.spi.NaturalIdRegion;
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;

/**
 * Factory used if no caching enabled in config...
 *
 * @author Steve Ebersole
 */
public class NoCachingRegionFactory implements RegionFactory {
	/**
	 * Singleton access
	 */
	public static final NoCachingRegionFactory INSTANCE = new NoCachingRegionFactory();

	/**
	 * Constructs a NoCachingRegionFactory.  Although access should generally use {@link #INSTANCE}
	 */
	public NoCachingRegionFactory() {
	}

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

	@Override
	public void stop() {
	}

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

	@Override
	public AccessType getDefaultAccessType() {
		return null;
	}

	@Override
	public long nextTimestamp() {
		return System.currentTimeMillis() / 100;
	}

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

	@Override
	public NaturalIdRegion buildNaturalIdRegion(String regionName, Properties properties, CacheDataDescription metadata)
			throws CacheException {
		throw new NoCacheRegionFactoryAvailableException();
	}

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

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

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