Hibernate example source code file (InsertedDataTest.java)

This example Hibernate source code file (InsertedDataTest.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

basecorefunctionaltestcase, cacheableitem, cacheableitem, class, inserteddatatest, map, map, override, session, session, test, test, util

The Hibernate InsertedDataTest.java source code

/*
 * 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.test.cache;

import java.util.Map;

import org.hibernate.Session;
import org.hibernate.cfg.Configuration;
import org.hibernate.cfg.Environment;

import org.junit.Test;

import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;

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

/**
 * Tests for handling of data just inserted during a transaction being read from the database
 * and placed into cache.  Initially these cases went through putFromRead which causes problems because it
 * loses the context of that data having just been read.
 *
 * @author Steve Ebersole
 */
public class InsertedDataTest extends BaseCoreFunctionalTestCase {
	@Override
	protected Class<?>[] getAnnotatedClasses() {
		return new Class[] { CacheableItem.class };
	}

	@Override
	protected void configure(Configuration cfg) {
		super.configure( cfg );
		cfg.setProperty( Environment.CACHE_REGION_PREFIX, "" );
		cfg.setProperty( Environment.GENERATE_STATISTICS, "true" );
	}

	@Test
	public void testInsert() {
		sessionFactory().getCache().evictEntityRegions();
		sessionFactory().getStatistics().clear();

		Session s = openSession();
		s.beginTransaction();
		CacheableItem item = new CacheableItem( "data" );
		s.save( item );
		s.getTransaction().commit();
		s.close();

		Map cacheMap = sessionFactory().getStatistics().getSecondLevelCacheStatistics( "item" ).getEntries();
		assertEquals( 1, cacheMap.size() );

		s = openSession();
		s.beginTransaction();
		s.createQuery( "delete CacheableItem" ).executeUpdate();
		s.getTransaction().commit();
		s.close();
	}

	@Test
	public void testInsertWithRollback() {
		sessionFactory().getCache().evictEntityRegions();
		sessionFactory().getStatistics().clear();

		Session s = openSession();
		s.beginTransaction();
		CacheableItem item = new CacheableItem( "data" );
		s.save( item );
		s.flush();
		s.getTransaction().rollback();
		s.close();

		Map cacheMap = sessionFactory().getStatistics().getSecondLevelCacheStatistics( "item" ).getEntries();
		assertEquals( 0, cacheMap.size() );
	}

	@Test
	public void testInsertThenUpdate() {
		sessionFactory().getCache().evictEntityRegions();
		sessionFactory().getStatistics().clear();

		Session s = openSession();
		s.beginTransaction();
		CacheableItem item = new CacheableItem( "data" );
		s.save( item );
		s.flush();
		item.setName( "new data" );
		s.getTransaction().commit();
		s.close();

		Map cacheMap = sessionFactory().getStatistics().getSecondLevelCacheStatistics( "item" ).getEntries();
		assertEquals( 1, cacheMap.size() );

		s = openSession();
		s.beginTransaction();
		s.createQuery( "delete CacheableItem" ).executeUpdate();
		s.getTransaction().commit();
		s.close();
	}

	@Test
	public void testInsertThenUpdateThenRollback() {
		sessionFactory().getCache().evictEntityRegions();
		sessionFactory().getStatistics().clear();

		Session s = openSession();
		s.beginTransaction();
		CacheableItem item = new CacheableItem( "data" );
		s.save( item );
		s.flush();
		item.setName( "new data" );
		s.getTransaction().rollback();
		s.close();

		Map cacheMap = sessionFactory().getStatistics().getSecondLevelCacheStatistics( "item" ).getEntries();
		assertEquals( 0, cacheMap.size() );

		s = openSession();
		s.beginTransaction();
		s.createQuery( "delete CacheableItem" ).executeUpdate();
		s.getTransaction().commit();
		s.close();
	}

	@Test
	public void testInsertWithRefresh() {
		sessionFactory().getCache().evictEntityRegions();
		sessionFactory().getStatistics().clear();

		Session s = openSession();
		s.beginTransaction();
		CacheableItem item = new CacheableItem( "data" );
		s.save( item );
		s.flush();
		s.refresh( item );
		s.getTransaction().commit();
		s.close();

		Map cacheMap = sessionFactory().getStatistics().getSecondLevelCacheStatistics( "item" ).getEntries();
		assertEquals( 1, cacheMap.size() );

		s = openSession();
		s.beginTransaction();
		s.createQuery( "delete CacheableItem" ).executeUpdate();
		s.getTransaction().commit();
		s.close();
	}

	@Test
	public void testInsertWithRefreshThenRollback() {
		sessionFactory().getCache().evictEntityRegions();
		sessionFactory().getStatistics().clear();

		Session s = openSession();
		s.beginTransaction();
		CacheableItem item = new CacheableItem( "data" );
		s.save( item );
		s.flush();
		s.refresh( item );
		s.getTransaction().rollback();
		s.close();

		Map cacheMap = sessionFactory().getStatistics().getSecondLevelCacheStatistics( "item" ).getEntries();
		assertEquals( 0, cacheMap.size() );

		s = openSession();
		s.beginTransaction();
		item = (CacheableItem) s.get( CacheableItem.class, item.getId() );
		s.getTransaction().commit();
		s.close();

		assertNull( "it should be null", item );
	}

	@Test
	public void testInsertWithClear() {
		sessionFactory().getCache().evictEntityRegions();
		sessionFactory().getStatistics().clear();

		Session s = openSession();
		s.beginTransaction();
		CacheableItem item = new CacheableItem( "data" );
		s.save( item );
		s.flush();
		s.clear();
		s.getTransaction().commit();
		s.close();

		Map cacheMap = sessionFactory().getStatistics().getSecondLevelCacheStatistics( "item" ).getEntries();
		assertEquals( 1, cacheMap.size() );

		s = openSession();
		s.beginTransaction();
		s.createQuery( "delete CacheableItem" ).executeUpdate();
		s.getTransaction().commit();
		s.close();
	}

	@Test
	public void testInsertWithClearThenRollback() {
		sessionFactory().getCache().evictEntityRegions();
		sessionFactory().getStatistics().clear();

		Session s = openSession();
		s.beginTransaction();
		CacheableItem item = new CacheableItem( "data" );
		s.save( item );
		s.flush();
		s.clear();
		item = (CacheableItem) s.get( CacheableItem.class, item.getId() );
		s.getTransaction().rollback();
		s.close();

		Map cacheMap = sessionFactory().getStatistics().getSecondLevelCacheStatistics( "item" ).getEntries();
		assertEquals( 0, cacheMap.size() );

		s = openSession();
		s.beginTransaction();
		item = (CacheableItem) s.get( CacheableItem.class, item.getId() );
		s.getTransaction().commit();
		s.close();

		assertNull( "it should be null", item );
	}
}