Hibernate example source code file (MappedSuperclassTest.java)

This example Hibernate source code file (MappedSuperclassTest.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

attributeoverride, column, column, entitybinding, id, my_foo, myentity, singularattributebinding, singularattributebinding, string, test, test, wrong, wrong

The Hibernate MappedSuperclassTest.java source code

/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2010, 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.AttributeOverride;
import javax.persistence.AttributeOverrides;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.MappedSuperclass;

import org.junit.Test;

import org.hibernate.metamodel.binding.EntityBinding;
import org.hibernate.metamodel.binding.SingularAttributeBinding;
import org.hibernate.metamodel.domain.NonEntity;
import org.hibernate.metamodel.relational.Column;
import org.hibernate.testing.FailureExpected;

import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertNotNull;
import static junit.framework.Assert.assertTrue;

/**
 * Tests for {@link javax.persistence.MappedSuperclass} {@link javax.persistence.AttributeOverrides}
 * and {@link javax.persistence.AttributeOverride}.
 *
 * @author Hardy Ferentschik
 */
@FailureExpected(jiraKey = "HHH-6447", message = "Work in progress")
public class MappedSuperclassTest extends BaseAnnotationBindingTestCase {
	@Test
//	@Resources(annotatedClasses = { MyMappedSuperClass.class, MyEntity.class, MyMappedSuperClassBase.class })
	public void testSimpleAttributeOverrideInMappedSuperclass() {
		EntityBinding binding = getEntityBinding( MyEntity.class );
		SingularAttributeBinding nameBinding = (SingularAttributeBinding) binding.locateAttributeBinding( "name" );
		assertNotNull( "the name attribute should be bound to MyEntity", nameBinding );

		Column column = (Column) nameBinding.getValue();
		assertEquals( "Wrong column name", "MY_NAME", column.getColumnName().toString() );
	}

	@Test
//	@Resources(annotatedClasses = { MyMappedSuperClass.class, MyEntity.class, MyMappedSuperClassBase.class })
	public void testLastAttributeOverrideWins() {
		EntityBinding binding = getEntityBinding( MyEntity.class );
		SingularAttributeBinding fooBinding = (SingularAttributeBinding) binding.locateAttributeBinding( "foo" );
		assertNotNull( "the foo attribute should be bound to MyEntity", fooBinding );

		Column column = (Column) fooBinding.getValue();
		assertEquals( "Wrong column name", "MY_FOO", column.getColumnName().toString() );
	}

	@Test
//	@Resources(annotatedClasses = { SubclassOfNoEntity.class, NoEntity.class })
	public void testNonEntityBaseClass() {
		EntityBinding binding = getEntityBinding( SubclassOfNoEntity.class );
		assertEquals( "Wrong entity name", SubclassOfNoEntity.class.getName(), binding.getEntity().getName() );
		assertEquals( "Wrong entity name", NoEntity.class.getName(), binding.getEntity().getSuperType().getName() );
		assertTrue( binding.getEntity().getSuperType() instanceof NonEntity );
	}

	@MappedSuperclass
	class MyMappedSuperClassBase {
		@Id
		private int id;
		String foo;
	}

	@MappedSuperclass
	@AttributeOverride(name = "foo", column = @javax.persistence.Column(name = "SUPER_FOO"))
	class MyMappedSuperClass extends MyMappedSuperClassBase {
		String name;
	}

	@Entity
	@AttributeOverrides( {
			@AttributeOverride(name = "name", column = @javax.persistence.Column(name = "MY_NAME")),
			@AttributeOverride(name = "foo", column = @javax.persistence.Column(name = "MY_FOO"))
	})
	class MyEntity extends MyMappedSuperClass {
		private Long count;

	}

	class NoEntity {
		String name;
		int age;
	}

	@Entity
	class SubclassOfNoEntity extends NoEntity {
		@Id
		private int id;
	}
}