Hibernate example source code file (CustomSQLTestSupport.java)

This example Hibernate source code file (CustomSQLTestSupport.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

employment, employment, imageholder, io, organization, organization, person, person, session, string, stringbuffer, test, textholder, textholder, transaction, util

The Hibernate CustomSQLTestSupport.java source code

/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2007-2011, 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.sql.hand.custom;

import java.io.Serializable;
import java.util.Date;
import java.util.Iterator;
import org.hibernate.LockMode;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.internal.util.collections.ArrayHelper;

import org.junit.Test;

import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import org.hibernate.test.sql.hand.Employment;
import org.hibernate.test.sql.hand.ImageHolder;
import org.hibernate.test.sql.hand.Organization;
import org.hibernate.test.sql.hand.Person;
import org.hibernate.test.sql.hand.TextHolder;

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

/**
 * Abstract test case defining tests for the support for user-supplied (aka
 * custom) insert, update, delete SQL.
 *
 * @author Steve Ebersole
 */
@SuppressWarnings( {"UnusedDeclaration"})
public abstract class CustomSQLTestSupport extends BaseCoreFunctionalTestCase {
	public String getCacheConcurrencyStrategy() {
		return null;
	}

	@Test
	public void testHandSQL() {
		Session s = openSession();
		Transaction t = s.beginTransaction();
		Organization ifa = new Organization( "IFA" );
		Organization jboss = new Organization( "JBoss" );
		Person gavin = new Person( "Gavin" );
		Employment emp = new Employment( gavin, jboss, "AU" );
		Serializable orgId = s.save( jboss );
		s.save( ifa );
		s.save( gavin );
		s.save( emp );
		t.commit();

		t = s.beginTransaction();
		Person christian = new Person( "Christian" );
		s.save( christian );
		Employment emp2 = new Employment( christian, jboss, "EU" );
		s.save( emp2 );
		t.commit();
		s.close();

		sessionFactory().getCache().evictEntityRegion( Organization.class );
		sessionFactory().getCache().evictEntityRegion( Person.class );
		sessionFactory().getCache().evictEntityRegion( Employment.class );

		s = openSession();
		t = s.beginTransaction();
		jboss = ( Organization ) s.get( Organization.class, orgId );
		assertEquals( jboss.getEmployments().size(), 2 );
		assertEquals( jboss.getName(), "JBOSS" );
		emp = ( Employment ) jboss.getEmployments().iterator().next();
		gavin = emp.getEmployee();
		assertEquals( gavin.getName(), "GAVIN" );
		assertEquals( s.getCurrentLockMode( gavin ), LockMode.PESSIMISTIC_WRITE );
		emp.setEndDate( new Date() );
		Employment emp3 = new Employment( gavin, jboss, "US" );
		s.save( emp3 );
		t.commit();
		s.close();

		s = openSession();
		t = s.beginTransaction();
		Iterator itr = s.getNamedQuery( "allOrganizationsWithEmployees" ).list().iterator();
		assertTrue( itr.hasNext() );
		Organization o = ( Organization ) itr.next();
		assertEquals( o.getEmployments().size(), 3 );
		Iterator itr2 = o.getEmployments().iterator();
		while ( itr2.hasNext() ) {
			Employment e = ( Employment ) itr2.next();
			s.delete( e );
		}
		itr2 = o.getEmployments().iterator();
		while ( itr2.hasNext() ) {
			Employment e = ( Employment ) itr2.next();
			s.delete( e.getEmployee() );
		}
		s.delete( o );
		assertFalse( itr.hasNext() );
		s.delete( ifa );
		t.commit();
		s.close();
	}

	@Test
	public void testTextProperty() {
		Session s = openSession();
		Transaction t = s.beginTransaction();
		String description = buildLongString( 15000, 'a' );
		TextHolder holder = new TextHolder( description );
		s.save( holder );
		t.commit();
		s.close();

		s = openSession();
		t = s.beginTransaction();
		holder = ( TextHolder ) s.get(  TextHolder.class, holder.getId() );
		assertEquals( description, holder.getDescription() );
		description = buildLongString( 15000, 'b' );
		holder.setDescription( description );
		s.save( holder );
		t.commit();
		s.close();

		s = openSession();
		t = s.beginTransaction();
		holder = ( TextHolder ) s.get(  TextHolder.class, holder.getId() );
		assertEquals( description, holder.getDescription() );
		s.delete( holder );
		t.commit();
		s.close();
	}

	@Test
	public void testImageProperty() {
		Session s = openSession();
		Transaction t = s.beginTransaction();
		byte[] photo = buildLongByteArray( 15000, true );
		ImageHolder holder = new ImageHolder( photo );
		s.save( holder );
		t.commit();
		s.close();

		s = openSession();
		t = s.beginTransaction();
		holder = ( ImageHolder ) s.get(  ImageHolder.class, holder.getId() );
		assertTrue( ArrayHelper.isEquals( photo, holder.getPhoto() ) );
		photo = buildLongByteArray( 15000, false );
		holder.setPhoto( photo );
		s.save( holder );
		t.commit();
		s.close();

		s = openSession();
		t = s.beginTransaction();
		holder = ( ImageHolder ) s.get(  ImageHolder.class, holder.getId() );
		assertTrue( ArrayHelper.isEquals( photo, holder.getPhoto() ) );
		s.delete( holder );
		t.commit();
		s.close();
	}

	private String buildLongString(int size, char baseChar) {
		StringBuffer buff = new StringBuffer();
		for( int i = 0; i < size; i++ ) {
			buff.append( baseChar );
		}
		return buff.toString();
	}

	private byte[] buildLongByteArray(int size, boolean on) {
		byte[] data = new byte[size];
		data[0] = mask( on );
		for ( int i = 0; i < size; i++ ) {
			data[i] = mask( on );
			on = !on;
		}
		return data;
	}

	private byte mask(boolean on) {
		return on ? ( byte ) 1 : ( byte ) 0;
	}
}