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Hibernate example source code file (SessionRefreshTestCase.java)

This example Hibernate source code file (SessionRefreshTestCase.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

account, account, classloadertestdao, classloadertestdao, contents, contents, dualnodetestcase, integer, logger, override, override, sessionfactory, string, transaction, transactionmanager

The Hibernate SessionRefreshTestCase.java source code

/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2009-2011, 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.functional.cluster;

import javax.transaction.TransactionManager;

import org.infinispan.Cache;
import org.infinispan.manager.CacheContainer;
import org.infinispan.test.TestingUtil;
import org.jboss.logging.Logger;

import org.hibernate.SessionFactory;
import org.hibernate.cache.infinispan.InfinispanRegionFactory;
import org.hibernate.cfg.Configuration;
import org.hibernate.cfg.Environment;

import org.junit.Test;

import org.hibernate.test.cache.infinispan.functional.classloader.Account;
import org.hibernate.test.cache.infinispan.functional.classloader.ClassLoaderTestDAO;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;

/**
 * SessionRefreshTestCase.
 *
 * @author Galder ZamarreƱo
 * @since 3.5
 */
public class SessionRefreshTestCase extends DualNodeTestCase {
	private static final Logger log = Logger.getLogger( SessionRefreshTestCase.class );

	static int test = 0;
	private Cache localCache;

	@Override
	protected void configureSecondNode(Configuration cfg) {
		super.configureSecondNode( cfg );
		cfg.setProperty( Environment.USE_SECOND_LEVEL_CACHE, "false" );
	}

	@Override
	protected void standardConfigure(Configuration cfg) {
		super.standardConfigure( cfg );
		cfg.setProperty( InfinispanRegionFactory.ENTITY_CACHE_RESOURCE_PROP, getEntityCacheConfigName() );
	}

	protected String getEntityCacheConfigName() {
		return "entity";
	}

	@Override
	public String[] getMappings() {
		return new String[] {"cache/infinispan/functional/classloader/Account.hbm.xml"};
	}

	@Override
	protected void cleanupTransactionManagement() {
		// Don't clean up the managers, just the transactions
		// Managers are still needed by the long-lived caches
		DualNodeJtaTransactionManagerImpl.cleanupTransactions();
	}

	@Test
	public void testRefreshAfterExternalChange() throws Exception {
		// First session factory uses a cache
		CacheContainer localManager = ClusterAwareRegionFactory.getCacheManager( DualNodeTestCase.LOCAL );
		localCache = localManager.getCache( Account.class.getName() );
		TransactionManager localTM = DualNodeJtaTransactionManagerImpl.getInstance( DualNodeTestCase.LOCAL );
		SessionFactory localFactory = sessionFactory();

		// Second session factory doesn't; just needs a transaction manager
		// However, start at least the cache to avoid issues with replication and cache not being there
		ClusterAwareRegionFactory.getCacheManager( DualNodeTestCase.REMOTE ).getCache( Account.class.getName() );
		TransactionManager remoteTM = DualNodeJtaTransactionManagerImpl.getInstance( DualNodeTestCase.REMOTE );
		SessionFactory remoteFactory = secondNodeEnvironment().getSessionFactory();

		ClassLoaderTestDAO dao0 = new ClassLoaderTestDAO( localFactory, localTM );
		ClassLoaderTestDAO dao1 = new ClassLoaderTestDAO( remoteFactory, remoteTM );

		Integer id = new Integer( 1 );
		dao0.createAccount( dao0.getSmith(), id, new Integer( 5 ), DualNodeTestCase.LOCAL );

		// Basic sanity check
		Account acct1 = dao1.getAccount( id );
		assertNotNull( acct1 );
		assertEquals( DualNodeTestCase.LOCAL, acct1.getBranch() );

		// This dao's session factory isn't caching, so cache won't see this change
		dao1.updateAccountBranch( id, DualNodeTestCase.REMOTE );

		// dao1's session doesn't touch the cache,
		// so reading from dao0 should show a stale value from the cache
		// (we check to confirm the cache is used)
		Account acct0 = dao0.getAccount( id );
		assertNotNull( acct0 );
		assertEquals( DualNodeTestCase.LOCAL, acct0.getBranch() );
		log.debug( "Contents when re-reading from local: " + TestingUtil.printCache( localCache ) );

		// Now call session.refresh and confirm we get the correct value
		acct0 = dao0.getAccountWithRefresh( id );
		assertNotNull( acct0 );
		assertEquals( DualNodeTestCase.REMOTE, acct0.getBranch() );
		log.debug( "Contents after refreshing in remote: " + TestingUtil.printCache( localCache ) );

		// Double check with a brand new session, in case the other session
		// for some reason bypassed the 2nd level cache
		ClassLoaderTestDAO dao0A = new ClassLoaderTestDAO( localFactory, localTM );
		Account acct0A = dao0A.getAccount( id );
		assertNotNull( acct0A );
		assertEquals( DualNodeTestCase.REMOTE, acct0A.getBranch() );
		log.debug( "Contents after creating a new session: " + TestingUtil.printCache( localCache ) );
	}
}

Other Hibernate examples (source code examples)

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