sessiontest.java

实现一些hibernate底层的东西

package com.bjsxt.hibernate;

import java.util.Date;

import junit.framework.TestCase;

import org.hibernate.Session;
import org.hibernate.Transaction;

public class SessionTest extends TestCase {
	public void testHello1(){
		System.out.println( "................Hello1..............." );
	}
	
	public void testHello2(){
		System.out.println( "................Hello2................" );
		this.assertEquals( "hello1", "hello" );
	}
	
	public void testSave()
	{
		Session session = null;
		Transaction tx = null;
		User user = null;
		try {
			session = HibernateUtils.getSession();
			tx= session.beginTransaction();
			
			user = new User();
			user.setName( "gavin" );
			user.setPassword( "123" );
			user.setCreateTime( new Date() );
			user.setExprieTime( new Date() );
			
			session.save( user );
			
			user.setName( "xudong" );
			tx.commit();
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			tx.rollback();
		}finally{
			HibernateUtils.closeSession(session);
		}
		
		user.setName( "gavin" );
		try{
			session = HibernateUtils.getSession();
			session.beginTransaction();
			
			session.update( user );
			session.getTransaction().commit();
		}catch( Exception e ){
			e.printStackTrace();
		}finally{
			HibernateUtils.closeSession(session);
		}
	}
	
	public void testQueryByGetMethod1(){
		Session session = null;
		try{
			session = HibernateUtils.getSession();
			session.beginTransaction();
			User user = ( User )session.get( User.class , "5e46096f1e04f5b1011e04f602ae0001" );
			
			user.setName( "steven" );
			session.getTransaction().commit();
		}catch( Exception e ){
			e.printStackTrace();
			session.getTransaction().rollback();
		}finally{
			HibernateUtils.closeSession(session);
		}
	}
	
	public void testQueryByGetMethod2(){
		Session session = null;
		try{
			session = HibernateUtils.getSession();
			session.beginTransaction();
			User user = ( User )session.get( User.class , "af" );
			
			session.getTransaction().commit();
		}catch( Exception e ){
			e.printStackTrace();
			session.getTransaction().rollback();
		}finally{
			HibernateUtils.closeSession(session);
		}
	}
	
	public void testQueryByGetMethod3(){
		Session session = null;
		try{
			session = HibernateUtils.getSession();
			session.beginTransaction();
			User user = ( User )session.load( User.class , "5e46096f1e04f5b1011e04f602ae0001" );
			System.out.println( "user.name" + user.getName() );
			
			user.setName( "gerrard" );
			session.getTransaction().commit();
		}catch( Exception e ){
			e.printStackTrace();
			session.getTransaction().rollback();
		}finally{
			HibernateUtils.closeSession(session);
		}
	}
	
	public void testQueryByGetMethod4(){
		Session session = null;
		try{
			session = HibernateUtils.getSession();
			session.beginTransaction();
			User user = ( User )session.load( User.class , "af" );
			
			System.out.println( user.getName() );
			session.getTransaction().commit();
		}catch( Exception e ){
			e.printStackTrace();
			session.getTransaction().rollback();
		}finally{
			HibernateUtils.closeSession(session);
		}
	}
	
	public void deleteuser(){
		Session session = null;
		try{
			session = HibernateUtils.getSession();
			session.beginTransaction();
			
			User user = ( User )session.load( User.class , "5e46096f1e04f5b1011e04f602ae0001");
			session.delete( user );
			
			session.getTransaction().commit();
		}catch( Exception e ){
			e.printStackTrace();
			session.getTransaction().rollback();
		}finally{
			HibernateUtils.closeSession(session);
		}
	}
}