//$Id$
package org.hibernate.ejb.test.callbacks;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import javax.persistence.EntityManager;
import org.hibernate.ejb.test.Cat;
import org.hibernate.ejb.test.Kitten;
import org.hibernate.ejb.test.TestCase;
import org.hibernate.testing.junit.FailureExpected;
/**
* @author Emmanuel Bernard
*/
@SuppressWarnings("unchecked")
public class CallbacksTest extends TestCase {
public void testCallbackMethod() throws Exception {
EntityManager em = getOrCreateEntityManager();
Cat c = new Cat();
c.setName( "Kitty" );
c.setDateOfBirth( new Date( 90, 11, 15 ) );
em.getTransaction().begin();
em.persist( c );
em.getTransaction().commit();
em.clear();
em.getTransaction().begin();
c = em.find( Cat.class, c.getId() );
assertFalse( c.getAge() == 0 );
c.setName( "Tomcat" ); //update this entity
em.getTransaction().commit();
em.clear();
em.getTransaction().begin();
c = em.find( Cat.class, c.getId() );
assertEquals( "Tomcat", c.getName() );
em.getTransaction().commit();
em.close();
}
public void testEntityListener() throws Exception {
EntityManager em = getOrCreateEntityManager();
Cat c = new Cat();
c.setName( "Kitty" );
c.setLength( 12 );
c.setDateOfBirth( new Date( 90, 11, 15 ) );
em.getTransaction().begin();
int previousVersion = c.getManualVersion();
em.persist( c );
em.getTransaction().commit();
em.getTransaction().begin();
c = em.find( Cat.class, c.getId() );
assertNotNull( c.getLastUpdate() );
assertTrue( previousVersion < c.getManualVersion() );
assertEquals( 12, c.getLength() );
previousVersion = c.getManualVersion();
c.setName( "new name" );
em.getTransaction().commit();
em.getTransaction().begin();
c = em.find( Cat.class, c.getId() );
assertTrue( previousVersion < c.getManualVersion() );
em.getTransaction().commit();
em.close();
}
public void testPostPersist() throws Exception {
EntityManager em = getOrCreateEntityManager();
Cat c = new Cat();
em.getTransaction().begin();
c.setLength( 23 );
c.setAge( 2 );
c.setName( "Beetle" );
c.setDateOfBirth( new Date() );
em.persist( c );
em.getTransaction().commit();
em.close();
List ids = Cat.getIdList();
Object id = Cat.getIdList().get( ids.size() - 1 );
assertNotNull( id );
}
//Not a test since the spec did not make the proper change on listeners
public void listenerAnnotation() throws Exception {
EntityManager em = getOrCreateEntityManager();
Translation tl = new Translation();
em.getTransaction().begin();
tl.setInto( "France" );
em.persist( tl );
tl = new Translation();
tl.setInto( "Bimboland" );
try {
em.persist( tl );
em.flush();
fail( "Annotations annotated by a listener not used" );
}
catch (IllegalArgumentException e) {
//success
}
finally {
em.getTransaction().rollback();
em.close();
}
}
public void testPrePersistOnCascade() throws Exception {
EntityManager em = getOrCreateEntityManager();
em.getTransaction().begin();
Television tv = new Television();
RemoteControl rc = new RemoteControl();
em.persist( tv );
em.flush();
tv.setControl( rc );
tv.init();
em.flush();
assertNotNull( rc.getCreationDate() );
em.getTransaction().rollback();
em.close();
}
public void testCallBackListenersHierarchy() throws Exception {
EntityManager em = getOrCreateEntityManager();
em.getTransaction().begin();
Television tv = new Television();
em.persist( tv );
tv.setName( "Myaio" );
tv.init();
em.flush();
assertEquals( 1, tv.counter );
em.getTransaction().rollback();
em.close();
assertEquals( 5, tv.communication );
assertTrue( tv.isLast );
}
public void testException() throws Exception {
EntityManager em = getOrCreateEntityManager();
em.getTransaction().begin();
Rythm r = new Rythm();
try {
em.persist( r );
em.flush();
fail("should have raised an ArythmeticException:");
}
catch (ArithmeticException e) {
//success
}
catch( Exception e ) {
fail("should have raised an ArythmeticException:" + e.getClass() );
}
em.getTransaction().rollback();
em.close();
}
public void testIdNullSetByPrePersist() throws Exception {
Plant plant = new Plant();
plant.setName( "Origuna plantula gigantic" );
EntityManager em = getOrCreateEntityManager();
em.getTransaction().begin();
em.persist( plant );
em.flush();
em.getTransaction().rollback();
em.close();
}
@FailureExpected(message = "collection change does not trigger an event", jiraKey = "EJB-288")
public void testPostUpdateCollection() throws Exception {
// create a cat
EntityManager em = getOrCreateEntityManager();
Cat cat = new Cat();
em.getTransaction().begin();
cat.setLength( 23 );
cat.setAge( 2 );
cat.setName( "Beetle" );
cat.setDateOfBirth( new Date() );
em.persist( cat );
em.getTransaction().commit();
// assert it is persisted
List ids = Cat.getIdList();
Object id = Cat.getIdList().get( ids.size() - 1 );
assertNotNull( id );
// add a kitten to the cat - triggers PostCollectionRecreateEvent
int postVersion = Cat.postVersion;
em.getTransaction().begin();
Kitten kitty = new Kitten();
kitty.setName("kitty");
List kittens = new ArrayList<Kitten>();
kittens.add(kitty);
cat.setKittens(kittens);
em.getTransaction().commit();
assertEquals("Post version should have been incremented.", postVersion + 1, Cat.postVersion);
// add another kitten - triggers PostCollectionUpdateEvent.
postVersion = Cat.postVersion;
em.getTransaction().begin();
Kitten tom = new Kitten();
tom.setName("Tom");
cat.getKittens().add(tom);
em.getTransaction().commit();
assertEquals("Post version should have been incremented.", postVersion + 1, Cat.postVersion);
// delete a kitty - triggers PostCollectionUpdateEvent
postVersion = Cat.postVersion;
em.getTransaction().begin();
cat.getKittens().remove(tom);
em.getTransaction().commit();
assertEquals("Post version should have been incremented.", postVersion + 1, Cat.postVersion);
// delete and recreate kittens - triggers PostCollectionRemoveEvent and PostCollectionRecreateEvent)
postVersion = Cat.postVersion;
em.getTransaction().begin();
cat.setKittens(new ArrayList<Kitten>());
em.getTransaction().commit();
assertEquals("Post version should have been incremented.", postVersion + 2, Cat.postVersion);
em.close();
}
public Class[] getAnnotatedClasses() {
return new Class[]{
Cat.class,
Translation.class,
Television.class,
RemoteControl.class,
Rythm.class,
Plant.class,
Kitten.class
};
}
}