mixedtest.java

介绍了hibernate的入门有一些基本常用的事例

//$Id: MixedTest.java,v 1.2 2004/09/29 14:47:56 oneovthafew Exp $
package org.hibernate.test.mixed;

import junit.framework.Test;
import junit.framework.TestSuite;

import org.hibernate.Hibernate;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.dialect.PostgreSQLDialect;
import org.hibernate.test.TestCase;

/**
 * @author Gavin King
 */
public class MixedTest extends TestCase {
	
	public MixedTest(String str) {
		super(str);
	}
	
	public void testMixedInheritance() {
		Session s = openSession( new DocumentInterceptor() );
		Transaction t = s.beginTransaction();
		Folder f = new Folder();
		f.setName("/");
		s.save(f);
		
		Document d = new Document();
		d.setName("Hibernate in Action");
		d.setContent( Hibernate.createBlob( "blah blah blah".getBytes() ) );
		d.setParent(f);
		Long did = (Long) s.save(d);
		
		SecureDocument d2 = new SecureDocument();
		d2.setName("Secret");
		d2.setContent( Hibernate.createBlob( "wxyz wxyz".getBytes() ) );
		d2.setPermissionBits( (byte) 664 );
		d2.setOwner("gavin");
		d2.setParent(f);
		Long d2id = (Long) s.save(d2);
		
		t.commit();
		s.close();
		
		if ( getDialect() instanceof PostgreSQLDialect ) return;

		s = openSession( new DocumentInterceptor() );
		t = s.beginTransaction();
		Item id = (Item) s.load(Item.class, did);
		assertEquals( did, id.getId() );
		assertEquals( "Hibernate in Action", id.getName() );
		assertEquals( "/", id.getParent().getName() );
		
		Item id2 = (Item) s.load(Item.class, d2id);
		assertEquals( d2id, id2.getId() );
		assertEquals( "Secret", id2.getName() );
		assertEquals( "/", id2.getParent().getName() );

		id.setName("HiA");
		
		d2 = (SecureDocument) s.load(SecureDocument.class, d2id);
		d2.setOwner("max");		
		
		s.flush();
		
		s.clear();
		
		d = (Document) s.load(Document.class, did);
		assertEquals( did, d.getId() );
		assertEquals( "HiA", d.getName() );
		assertNotNull( d.getContent() );
		assertEquals( "/", d.getParent().getName() );
		assertNotNull( d.getCreated() );
		assertNotNull( d.getModified() );
		
		d2 = (SecureDocument) s.load(SecureDocument.class, d2id);
		assertEquals( d2id, d2.getId() );
		assertEquals( "Secret", d2.getName() );
		assertNotNull( d2.getContent() );
		assertEquals( "max", d2.getOwner() );
		assertEquals( "/", d2.getParent().getName() );
		assertEquals( (byte) 664, d2.getPermissionBits() );
		assertNotNull( d2.getCreated() );
		assertNotNull( d2.getModified() );
		
		s.delete(d);
		s.delete(d2);
		
		t.commit();
		s.close();
	}

	
	protected String[] getMappings() {
		return new String[] { "mixed/Item.hbm.xml" };
	}

	public static Test suite() {
		return new TestSuite(MixedTest.class);
	}

	public String getCacheConcurrencyStrategy() {
		return null;
	}
}