Hibernate example source code file (CompositeUserTypeTest.java)

This example Hibernate source code file (CompositeUserTypeTest.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

amount, aud, aud, bigdecimal, bigdecimal, math, monetoryamount, mutualfund, mutualfund, session, string, test, transaction, transaction, usd, util

The Hibernate CompositeUserTypeTest.java source code

/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2006-2011, 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.cut;
import java.math.BigDecimal;
import java.util.Currency;
import java.util.List;

import org.hibernate.Session;
import org.hibernate.criterion.Restrictions;
import org.hibernate.dialect.HSQLDialect;

import org.junit.Test;

import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;

import static org.junit.Assert.assertEquals;

/**
 * @author Gavin King
 */
public class CompositeUserTypeTest extends BaseCoreFunctionalTestCase {
	@Override
	public String[] getMappings() {
		return new String[] { "cut/types.hbm.xml", "cut/Transaction.hbm.xml" };
	}

	@Test
	public void testCompositeUserType() {
		Session s = openSession();
		org.hibernate.Transaction t = s.beginTransaction();
		
		Transaction tran = new Transaction();
		tran.setDescription("a small transaction");
		tran.setValue( new MonetoryAmount( new BigDecimal(1.5), Currency.getInstance("USD") ) );
		s.persist(tran);
		
		List result = s.createQuery("from Transaction tran where tran.value.amount > 1.0 and tran.value.currency = 'USD'").list();
		assertEquals( result.size(), 1 );
		tran.getValue().setCurrency( Currency.getInstance("AUD") );
		result = s.createQuery("from Transaction tran where tran.value.amount > 1.0 and tran.value.currency = 'AUD'").list();
		assertEquals( result.size(), 1 );
		
		if ( !(getDialect() instanceof HSQLDialect) ) {
		
			result = s.createQuery("from Transaction txn where txn.value = (1.5, 'AUD')").list();
			assertEquals( result.size(), 1 );
			result = s.createQuery("from Transaction where value = (1.5, 'AUD')").list();
			assertEquals( result.size(), 1 );
			
		}
		
		s.delete(tran);
		t.commit();
		s.close();
	}
	
	@Test
	public void testCustomColumnReadAndWrite() {
		Session s = openSession();
		org.hibernate.Transaction t = s.beginTransaction();
		final BigDecimal AMOUNT = new BigDecimal(73000000d);
		final BigDecimal AMOUNT_MILLIONS = AMOUNT.divide(new BigDecimal(1000000d));
		MutualFund f = new MutualFund();
		f.setHoldings( new MonetoryAmount( AMOUNT, Currency.getInstance("USD") ) );
		s.persist(f);
		s.flush();
		
		// Test value conversion during insert
		BigDecimal amountViaSql = (BigDecimal)s.createSQLQuery("select amount_millions from MutualFund").uniqueResult();
		assertEquals(AMOUNT_MILLIONS.doubleValue(), amountViaSql.doubleValue(), 0.01d);
		
		// Test projection
		BigDecimal amountViaHql = (BigDecimal)s.createQuery("select f.holdings.amount from MutualFund f").uniqueResult();
		assertEquals(AMOUNT.doubleValue(), amountViaHql.doubleValue(), 0.01d);
		
		// Test restriction and entity load via criteria
		BigDecimal one = new BigDecimal(1);
		f = (MutualFund)s.createCriteria(MutualFund.class)
			.add(Restrictions.between("holdings.amount", AMOUNT.subtract(one), AMOUNT.add(one)))
			.uniqueResult();
		assertEquals(AMOUNT.doubleValue(), f.getHoldings().getAmount().doubleValue(), 0.01d);
		
		// Test predicate and entity load via HQL
		f = (MutualFund)s.createQuery("from MutualFund f where f.holdings.amount between ? and ?")
			.setBigDecimal(0, AMOUNT.subtract(one))
			.setBigDecimal(1, AMOUNT.add(one))
			.uniqueResult();
		assertEquals(AMOUNT.doubleValue(), f.getHoldings().getAmount().doubleValue(), 0.01d);
				
		s.delete(f);
		t.commit();
		s.close();
		
	}

}