mapindexformulatest.java

介绍了hibernate的入门有一些基本常用的事例

//$Id: MapIndexFormulaTest.java,v 1.3 2005/02/21 14:41:00 oneovthafew Exp $
package org.hibernate.test.map;

import java.util.Map;

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

import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.test.TestCase;

/**
 * @author Gavin King
 */
public class MapIndexFormulaTest extends TestCase {
	
	public MapIndexFormulaTest(String str) {
		super(str);
	}
	
	public void testIndexFormulaMap() {
		Session s = openSession();
		Transaction t = s.beginTransaction();
		User gavin = new User("gavin", "secret");
		User turin = new User("turin", "tiger");
		Group g = new Group("developers");
		g.getUsers().put("gavin", gavin);
		g.getUsers().put("turin", turin);
		s.persist(g);
		gavin.getSession().put( "foo", new SessionAttribute("foo", "foo bar baz") );
		gavin.getSession().put( "bar", new SessionAttribute("bar", "foo bar baz 2") );
		t.commit();
		s.close();
		
		s = openSession();
		t = s.beginTransaction();
		g = (Group) s.get(Group.class, "developers");
		assertEquals( g.getUsers().size(), 2 );
		g.getUsers().remove("turin");
		Map smap = ( (User) g.getUsers().get("gavin") ).getSession();
		assertEquals(smap.size(), 2);
		smap.remove("bar");
		t.commit();
		s.close();

		s = openSession();
		t = s.beginTransaction();
		g = (Group) s.get(Group.class, "developers");
		assertEquals( g.getUsers().size(), 1 );
		smap = ( (User) g.getUsers().get("gavin") ).getSession();
		assertEquals(smap.size(), 1);
		gavin = (User) g.getUsers().put("gavin", turin);
		s.delete(gavin);
		assertEquals( s.createQuery("select count(*) from SessionAttribute").uniqueResult(), new Integer(0) );
		t.commit();
		s.close();

		s = openSession();
		t = s.beginTransaction();
		g = (Group) s.get(Group.class, "developers");
		assertEquals( g.getUsers().size(), 1 );
		turin = (User) g.getUsers().get("turin");
		smap = turin.getSession();
		assertEquals(smap.size(), 0);
		assertEquals( s.createQuery("select count(*) from User").uniqueResult(), new Integer(1) );
		s.delete(g);
		s.delete(turin);
		assertEquals( s.createQuery("select count(*) from User").uniqueResult(), new Integer(0) );
		t.commit();
		s.close();
}
	
	protected String[] getMappings() {
		return new String[] { "map/UserGroup.hbm.xml" };
	}

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

}