/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2010, Red Hat, Inc. and/or its affiliates 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.annotations.various.readwriteexpression;

import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.criterion.Restrictions;

import org.junit.Test;

import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;

import static org.junit.Assert.assertEquals;

/**
 * @author Emmanuel Bernard
 */
public class ColumnTransformerTest extends BaseCoreFunctionalTestCase {
	@Test
	public void testCustomColumnReadAndWrite() throws Exception{
		Session s = openSession();
		Transaction t = s.beginTransaction();
		final double HEIGHT_INCHES = 73;
		final double HEIGHT_CENTIMETERS = HEIGHT_INCHES * 2.54d;

		Staff staff = new Staff(HEIGHT_INCHES, HEIGHT_INCHES, HEIGHT_INCHES*2, 1);
		s.persist( staff );
		s.flush();

		// Test value conversion during insert
		Double heightViaSql = (Double)s.createSQLQuery("select size_in_cm from t_staff where t_staff.id=1").uniqueResult();
		assertEquals(HEIGHT_CENTIMETERS, heightViaSql, 0.01d);

		heightViaSql = (Double)s.createSQLQuery("select radiusS from t_staff where t_staff.id=1").uniqueResult();
		assertEquals(HEIGHT_CENTIMETERS, heightViaSql, 0.01d);

		heightViaSql = (Double)s.createSQLQuery("select diamet from t_staff where t_staff.id=1").uniqueResult();
		assertEquals(HEIGHT_CENTIMETERS*2, heightViaSql, 0.01d);

		// Test projection
		Double heightViaHql = (Double)s.createQuery("select s.sizeInInches from Staff s where s.id = 1").uniqueResult();
		assertEquals(HEIGHT_INCHES, heightViaHql, 0.01d);

		// Test restriction and entity load via criteria
		staff = (Staff)s.createCriteria(Staff.class)
			.add( Restrictions.between("sizeInInches", HEIGHT_INCHES - 0.01d, HEIGHT_INCHES + 0.01d))
			.uniqueResult();
		assertEquals(HEIGHT_INCHES, staff.getSizeInInches(), 0.01d);
		
		// Test predicate and entity load via HQL
		staff = (Staff)s.createQuery("from Staff s where s.sizeInInches between ? and ?")
			.setDouble(0, HEIGHT_INCHES - 0.01d)
			.setDouble(1, HEIGHT_INCHES + 0.01d)
			.uniqueResult();
		assertEquals(HEIGHT_INCHES, staff.getSizeInInches(), 0.01d);

		// Test update
		staff.setSizeInInches(1);
		s.flush();
		heightViaSql = (Double)s.createSQLQuery("select size_in_cm from t_staff where t_staff.id=1").uniqueResult();
		assertEquals(2.54d, heightViaSql, 0.01d);
		s.delete(staff);
		t.commit();
		s.close();
	}

	@Override
	protected Class<?>[] getAnnotatedClasses() {
		return new Class<?>[] {
				Staff.class
		};
	}
}