HP 5991-5565 Manual de usuario descargar pdf (Pagina 55)

Appendix D: Hibernate Test Application Source Code

This appendix provides the contents of the following two Hibernate Test Application source

code files:

• HibernateSessionFactory.java

• hibernate.jsp

The following are the contents of the HibernateSessionFactory.java file:

package com.hp.osms.hibernate.utility;

import org.hibernate.HibernateException;

import org.hibernate.Session;

import org.hibernate.cfg.Configuration;

public class HibernateSessionFactory {

private static String CONFIG_FILE_LOCATION = "/hibernate.cfg.xml";

private static final ThreadLocal<Session> threadLocal = new ThreadLocal<Session>();

private static Configuration configuration = new Configuration();

private static org.hibernate.SessionFactory sessionFactory;

private static String configFile = CONFIG_FILE_LOCATION;

private HibernateSessionFactory() {

}

public static Session getSession() throws HibernateException {

Session session = (Session) threadLocal.get();

if (session == null || !session.isOpen()) {

if (sessionFactory == null) {

rebuildSessionFactory();

}

session = (sessionFactory != null) ? sessionFactory.openSession():null;

threadLocal.set(session);

}

return session;

}

public static void rebuildSessionFactory() {

try {

configuration.configure(configFile);

sessionFactory = configuration.buildSessionFactory();

} catch (Exception e) {

System.err.println("Can not create SessionFactory!!");

e.printStackTrace();

}

public static void closeSession() throws HibernateException {

Session session = (Session) threadLocal.get();

threadLocal.set(null);

if (session != null)

session.close();

}

public static org.hibernate.SessionFactory getSessionFactory() {

return sessionFactory;

}

public static void setConfigFile(String configFile) {

HibernateSessionFactory.configFile = configFile;

sessionFactory = null;

}

The following are the contents of the hibernate.jsp file:

<%@ page language="java" import="java.util.*,

org.hibernate.HibernateException, org.hibernate.Query,org.hibernate.Transaction,

com.hp.osms.hibernate.utility.HibernateSessionFactory,

com.hp.osms.hibernate.Users" pageEncoding="ISO-8859-1"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

<head><title>Simple Hibernate test Page</title>

</head>

<%!

Appendix D: Hibernate Test Application Source Code 55

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