/*
* 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.metamodel.source.annotations.entity;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;
import javax.persistence.UniqueConstraint;
import org.junit.Test;
import org.hibernate.metamodel.binding.EntityBinding;
import org.hibernate.metamodel.relational.Column;
import org.hibernate.metamodel.relational.TableSpecification;
import org.hibernate.metamodel.relational.UniqueKey;
import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertNotNull;
import static junit.framework.Assert.assertTrue;
/**
* test for {@link javax.persistence.UniqueConstraint}
*
* @author Strong Liu
*/
public class UniqueConstraintBindingTest extends BaseAnnotationBindingTestCase {
@Test
@Resources(annotatedClasses = TableWithUniqueConstraint.class)
public void testTableUniqueConstraints() {
EntityBinding binding = getEntityBinding( TableWithUniqueConstraint.class );
TableSpecification table = binding.getPrimaryTable();
Iterable<UniqueKey> uniqueKeyIterable = table.getUniqueKeys();
assertNotNull( uniqueKeyIterable );
int i = 0;
for ( UniqueKey key : uniqueKeyIterable ) {
i++;
assertEquals( "u1", key.getName() );
assertTrue( table == key.getTable() );
assertNotNull( key.getColumns() );
int j = 0;
for ( Column column : key.getColumns() ) {
j++;
}
assertEquals( "There should be two columns in the unique constraint", 2, j );
}
assertEquals( "There should only be one unique constraint", 1, i );
}
@Entity
@Table(uniqueConstraints = { @UniqueConstraint(name = "u1", columnNames = { "name", "age" }) })
class TableWithUniqueConstraint {
@Id
int id;
String name;
int age;
}
}