//$Id: SubclassTest.java 14736 2008-06-04 14:23:42Z hardy.ferentschik $
package org.hibernate.test.annotations.inheritance;
import java.util.List;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.test.annotations.A320;
import org.hibernate.test.annotations.A320b;
import org.hibernate.test.annotations.Plane;
import org.hibernate.test.annotations.TestCase;
import org.hibernate.test.annotations.inheritance.singletable.Funk;
import org.hibernate.test.annotations.inheritance.singletable.Music;
import org.hibernate.test.annotations.inheritance.singletable.Noise;
import org.hibernate.test.annotations.inheritance.singletable.Rock;
/**
* @author Emmanuel Bernard
*/
public class SubclassTest extends TestCase {
public SubclassTest(String x) {
super( x );
}
public void testPolymorphism() throws Exception {
Session s = openSession();
Transaction tx = s.beginTransaction();
Plane p = new Plane();
p.setNbrOfSeats( 10 );
A320 a = new A320();
a.setJavaEmbeddedVersion( "5.0" );
a.setNbrOfSeats( 300 );
s.persist( a );
s.persist( p );
tx.commit();
s.close();
s = openSession();
tx = s.beginTransaction();
Query q = s.createQuery( "from " + A320.class.getName() );
List a320s = q.list();
assertNotNull( a320s );
assertEquals( 1, a320s.size() );
assertTrue( a320s.get( 0 ) instanceof A320 );
assertEquals( "5.0", ( (A320) a320s.get( 0 ) ).getJavaEmbeddedVersion() );
q = s.createQuery( "from " + Plane.class.getName() );
List planes = q.list();
assertNotNull( planes );
assertEquals( 2, planes.size() );
tx.commit();
s.close();
}
public void test2ndLevelSubClass() throws Exception {
Session s = openSession();
Transaction tx = s.beginTransaction();
A320b a = new A320b();
a.setJavaEmbeddedVersion( "Elephant" );
a.setNbrOfSeats( 300 );
s.persist( a );
tx.commit();
s.close();
s = openSession();
tx = s.beginTransaction();
Query q = s.createQuery( "from " + A320.class.getName() + " as a where a.javaEmbeddedVersion = :version" );
q.setString( "version", "Elephant" );
List a320s = q.list();
assertNotNull( a320s );
assertEquals( 1, a320s.size() );
tx.commit();
s.close();
}
public void testEmbeddedSuperclass() throws Exception {
Session s = openSession();
Transaction tx = s.beginTransaction();
Plane p = new Plane();
p.setAlive( true ); //sic
p.setAltitude( 10000 );
p.setMetricAltitude( 3000 );
p.setNbrOfSeats( 150 );
p.setSerial( "0123456789" );
s.persist( p );
tx.commit();
s.close();
s = openSession();
tx = s.beginTransaction();
p = (Plane) s.get( Plane.class, p.getId() );
assertNotNull( p );
assertEquals( true, p.isAlive() );
assertEquals( 150, p.getNbrOfSeats() );
assertEquals( 10000, p.getAltitude() );
assertEquals( "0123456789", p.getSerial() );
assertFalse( 3000 == p.getMetricAltitude() );
s.delete( p );
tx.commit();
s.close();
}
public void testFormula() throws Exception {
Session s;
Transaction tx;
s = openSession();
tx = s.beginTransaction();
Rock guns = new Rock();
guns.setAvgBeat( 90 );
guns.setType( 2 );
Noise white = new Noise();
white.setAvgBeat( 0 );
white.setType( null );
s.persist( guns );
s.persist( white );
tx.commit();
s.close();
s = openSession();
tx = s.beginTransaction();
List result = s.createCriteria( Noise.class ).list();
assertNotNull( result );
assertEquals( 1, result.size() );
white = (Noise) result.get( 0 );
assertNull( white.getType() );
s.delete( white );
result = s.createCriteria( Rock.class ).list();
assertEquals( 1, result.size() );
s.delete( result.get( 0 ) );
result = s.createCriteria( Funk.class ).list();
assertEquals( 0, result.size() );
tx.commit();
s.close();
}
private void checkClassType(Fruit fruitToTest, Fruit f, Apple a) {
if ( fruitToTest.getId().equals( f.getId() ) ) {
assertFalse( fruitToTest instanceof Apple );
}
else if ( fruitToTest.getId().equals( a.getId() ) ) {
assertTrue( fruitToTest instanceof Apple );
}
else {
fail( "Result does not contains the previously inserted elements" );
}
}
/**
* @see org.hibernate.test.annotations.TestCase#getMappings()
*/
protected Class[] getMappings() {
return new Class[]{
A320b.class, //subclasses should be properly reordered
Plane.class,
A320.class,
Fruit.class,
//FlyingObject.class, //had to declare embedded superclasses
//Thing.class,
Apple.class,
Music.class,
Rock.class,
Funk.class,
Noise.class
};
}
}