Spring+Hibernate延迟加载测试基类

package cn.com.oneslife;

import junit.framework.TestCase;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.junit.AfterClass;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.FileSystemXmlApplicationContext;
import org.springframework.orm.hibernate3.SessionFactoryUtils;
import org.springframework.orm.hibernate3.SessionHolder;
import org.springframework.transaction.support.TransactionSynchronizationManager;

public abstract class AbstractTest extends TestCase{

	private static SessionFactory sessionFactory ;
	private static ApplicationContext act;

	public void setUp() throws Exception {
		act = new ClassPathXmlApplicationContext("applicationContext.xml");
		sessionFactory = (SessionFactory) getBean("sessionFactory");
		Session s = sessionFactory.openSession();
		TransactionSynchronizationManager.bindResource(sessionFactory,
				new SessionHolder(s));
	}

	protected static Object getBean(String beanName) {
		return act.getBean(beanName);
	}

	public void tearDown() throws Exception {
		SessionHolder holder = (SessionHolder) TransactionSynchronizationManager
				.getResource(sessionFactory);
		Session s = holder.getSession();
		s.flush();
		TransactionSynchronizationManager.unbindResource(sessionFactory);
		SessionFactoryUtils.closeSession(holder.getSession());
	}
}