Hibernate example source code file (ManagedDrivingTest.java)

This example Hibernate source code file (ManagedDrivingTest.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, exception, exception, id, id, jdbc, journalingtransactionobserver, logicalconnectionimplementor, name, sandbox_jdbc_tst, sandbox_jdbc_tst, sql, sqlexception, sqlexception, throwable, transaction, transactioncoordinatorimpl, util

The Hibernate ManagedDrivingTest.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.transaction.jta;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.HashMap;
import java.util.Map;
import javax.transaction.TransactionManager;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import org.hibernate.ConnectionReleaseMode;
import org.hibernate.cfg.Environment;
import org.hibernate.engine.jdbc.spi.LogicalConnectionImplementor;
import org.hibernate.engine.transaction.internal.TransactionCoordinatorImpl;
import org.hibernate.engine.transaction.internal.jta.CMTTransactionFactory;
import org.hibernate.engine.transaction.spi.TransactionContext;
import org.hibernate.engine.transaction.spi.TransactionImplementor;
import org.hibernate.service.ServiceRegistryBuilder;
import org.hibernate.service.internal.BasicServiceRegistryImpl;
import org.hibernate.service.jta.platform.spi.JtaPlatform;
import org.hibernate.test.common.JournalingTransactionObserver;
import org.hibernate.test.common.TransactionContextImpl;
import org.hibernate.test.common.TransactionEnvironmentImpl;
import org.hibernate.testing.jta.TestingJtaBootstrap;
import org.hibernate.testing.junit4.BaseUnitTestCase;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

/**
 * Testing transaction facade handling when the transaction is being driven by something other than the facade.
 *
 * @author Steve Ebersole
 */
public class ManagedDrivingTest extends BaseUnitTestCase {
	private BasicServiceRegistryImpl serviceRegistry;

	@Before
	@SuppressWarnings( {"unchecked"})
	public void setUp() throws Exception {
		Map configValues = new HashMap();
		TestingJtaBootstrap.prepare( configValues );
		configValues.put( Environment.TRANSACTION_STRATEGY, CMTTransactionFactory.class.getName() );

		serviceRegistry = (BasicServiceRegistryImpl) new ServiceRegistryBuilder( configValues ).buildServiceRegistry();
	}

	@After
	public void tearDown() throws Exception {
		serviceRegistry.destroy();
	}

	@Test
	public void testBasicUsage() throws Throwable {
		final TransactionContext transactionContext = new TransactionContextImpl( new TransactionEnvironmentImpl( serviceRegistry ) ) {
			@Override
			public ConnectionReleaseMode getConnectionReleaseMode() {
				return ConnectionReleaseMode.AFTER_STATEMENT;
			}
		};

		final TransactionCoordinatorImpl transactionCoordinator = new TransactionCoordinatorImpl( null, transactionContext );
		final JournalingTransactionObserver transactionObserver = new JournalingTransactionObserver();
		transactionCoordinator.addObserver( transactionObserver );

		final LogicalConnectionImplementor logicalConnection = transactionCoordinator.getJdbcCoordinator().getLogicalConnection();
		Connection connection = logicalConnection.getShareableConnectionProxy();

		// set up some tables to use
		try {
			Statement statement = connection.createStatement();
			statement.execute( "drop table SANDBOX_JDBC_TST if exists" );
			statement.execute( "create table SANDBOX_JDBC_TST ( ID integer, NAME varchar(100) )" );
			assertTrue( logicalConnection.getResourceRegistry().hasRegisteredResources() );
			assertTrue( logicalConnection.isPhysicallyConnected() );
			statement.close();
			assertFalse( logicalConnection.getResourceRegistry().hasRegisteredResources() );
			assertFalse( logicalConnection.isPhysicallyConnected() ); // after_statement specified
		}
		catch ( SQLException sqle ) {
			fail( "incorrect exception type : SQLException" );
		}

		JtaPlatform instance = serviceRegistry.getService( JtaPlatform.class );
		TransactionManager transactionManager = instance.retrieveTransactionManager();

		// start the cmt
		transactionManager.begin();

		// ok, now we can get down to it...
		TransactionImplementor txn = transactionCoordinator.getTransaction();  // same as Session#getTransaction
		txn.begin();
		assertEquals( 1, transactionObserver.getBegins() );
		assertFalse( txn.isInitiator() );
		connection = logicalConnection.getShareableConnectionProxy();
		try {
			PreparedStatement ps = connection.prepareStatement( "insert into SANDBOX_JDBC_TST( ID, NAME ) values ( ?, ? )" );
			ps.setLong( 1, 1 );
			ps.setString( 2, "name" );
			ps.execute();
			assertTrue( logicalConnection.getResourceRegistry().hasRegisteredResources() );
			ps.close();
			assertFalse( logicalConnection.getResourceRegistry().hasRegisteredResources() );

			ps = connection.prepareStatement( "select * from SANDBOX_JDBC_TST" );
			ps.executeQuery();
			connection.prepareStatement( "delete from SANDBOX_JDBC_TST" ).execute();
			// lets forget to close these...
			assertTrue( logicalConnection.getResourceRegistry().hasRegisteredResources() );
			assertTrue( logicalConnection.isPhysicallyConnected() );

			// and commit the transaction...
			txn.commit();

			// since txn is not a driver, nothing should have changed...
			assertTrue( logicalConnection.getResourceRegistry().hasRegisteredResources() );
			assertTrue( logicalConnection.isPhysicallyConnected() );
			assertEquals( 0, transactionObserver.getBeforeCompletions() );
			assertEquals( 0, transactionObserver.getAfterCompletions() );

			transactionManager.commit();
			assertFalse( logicalConnection.getResourceRegistry().hasRegisteredResources() );
			assertFalse( logicalConnection.isPhysicallyConnected() );
			assertEquals( 1, transactionObserver.getBeforeCompletions() );
			assertEquals( 1, transactionObserver.getAfterCompletions() );
		}
		catch ( SQLException sqle ) {
			try {
				transactionManager.rollback();
			}
			catch (Exception ignore) {
			}
			fail( "incorrect exception type : SQLException" );
		}
		catch (Throwable reThrowable) {
			try {
				transactionManager.rollback();
			}
			catch (Exception ignore) {
			}
			throw reThrowable;
		}
		finally {
			logicalConnection.close();
		}
	}
}