Hibernate example source code file (NodeEnvironment.java)

This example Hibernate source code file (NodeEnvironment.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

basicserviceregistryimpl, basicserviceregistryimpl, cachedatadescription, cachedatadescription, collectionregionimpl, collectionregionimpl, configuration, entityregionimpl, entityregionimpl, exception, hashmap, map, nodeenvironment, serviceregistrybuilder, util

The Hibernate NodeEnvironment.java source code

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

import java.util.HashMap;
import java.util.Map;

import org.hibernate.cache.spi.CacheDataDescription;
import org.hibernate.cache.infinispan.InfinispanRegionFactory;
import org.hibernate.cache.infinispan.collection.CollectionRegionImpl;
import org.hibernate.cache.infinispan.entity.EntityRegionImpl;
import org.hibernate.cache.infinispan.util.FlagAdapter;
import org.hibernate.cfg.Configuration;
import org.hibernate.service.ServiceRegistryBuilder;
import org.hibernate.service.internal.BasicServiceRegistryImpl;

import org.hibernate.test.cache.infinispan.util.CacheTestUtil;

/**
 * Defines the environment for a node.
 *
 * @author Steve Ebersole
 */
public class NodeEnvironment {
	private final Configuration configuration;

	private BasicServiceRegistryImpl serviceRegistry;
	private InfinispanRegionFactory regionFactory;

	private Map<String,EntityRegionImpl> entityRegionMap;
	private Map<String,CollectionRegionImpl> collectionRegionMap;

	public NodeEnvironment(Configuration configuration) {
		this.configuration = configuration;
	}

	public Configuration getConfiguration() {
		return configuration;
	}

	public BasicServiceRegistryImpl getServiceRegistry() {
		return serviceRegistry;
	}

	public EntityRegionImpl getEntityRegion(String name, CacheDataDescription cacheDataDescription) {
		if ( entityRegionMap == null ) {
			entityRegionMap = new HashMap<String, EntityRegionImpl>();
			return buildAndStoreEntityRegion( name, cacheDataDescription );
		}
		EntityRegionImpl region = entityRegionMap.get( name );
		if ( region == null ) {
			region = buildAndStoreEntityRegion( name, cacheDataDescription );
		}
		return region;
	}

	private EntityRegionImpl buildAndStoreEntityRegion(String name, CacheDataDescription cacheDataDescription) {
		EntityRegionImpl region = (EntityRegionImpl) regionFactory.buildEntityRegion(
				name,
				configuration.getProperties(),
				cacheDataDescription
		);
		entityRegionMap.put( name, region );
		return region;
	}

	public CollectionRegionImpl getCollectionRegion(String name, CacheDataDescription cacheDataDescription) {
		if ( collectionRegionMap == null ) {
			collectionRegionMap = new HashMap<String, CollectionRegionImpl>();
			return buildAndStoreCollectionRegion( name, cacheDataDescription );
		}
		CollectionRegionImpl region = collectionRegionMap.get( name );
		if ( region == null ) {
			region = buildAndStoreCollectionRegion( name, cacheDataDescription );
			collectionRegionMap.put( name, region );
		}
		return region;
	}

	private CollectionRegionImpl buildAndStoreCollectionRegion(String name, CacheDataDescription cacheDataDescription) {
		CollectionRegionImpl region;
		region = (CollectionRegionImpl) regionFactory.buildCollectionRegion(
				name,
				configuration.getProperties(),
				cacheDataDescription
		);
		return region;
	}

	public void prepare() throws Exception {
		serviceRegistry = (BasicServiceRegistryImpl) new ServiceRegistryBuilder( configuration.getProperties() ).buildServiceRegistry();
		regionFactory = CacheTestUtil.startRegionFactory( serviceRegistry, configuration );
	}

	public void release() throws Exception {
		if ( entityRegionMap != null ) {
			for ( EntityRegionImpl region : entityRegionMap.values() ) {
				region.getCacheAdapter().withFlags( FlagAdapter.CACHE_MODE_LOCAL ).clear();
				region.getCacheAdapter().stop();
			}
			entityRegionMap.clear();
		}
		if ( collectionRegionMap != null ) {
			for ( CollectionRegionImpl collectionRegion : collectionRegionMap.values() ) {
				collectionRegion.getCacheAdapter().withFlags( FlagAdapter.CACHE_MODE_LOCAL ).clear();
				collectionRegion.getCacheAdapter().stop();
			}
			collectionRegionMap.clear();
		}
		if ( regionFactory != null ) {
// Currently the RegionFactory is shutdown by its registration with the CacheTestSetup from CacheTestUtil when built
			regionFactory.stop();
		}
		if ( serviceRegistry != null ) {
			serviceRegistry.destroy();
		}
	}
}