/osms/hibernate/utility and add the following lines so the application can interact with Hibernate:
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;
}
}
6.Compile the HibernateSessionFactory.java file by entering the following commands:
#cd
#javac
The file HibernateSessionFactory.class is generated.
7.Create a Hibernate mapping file named Users.hbm.xml, in the directory
<?xml version="1.0"?>
<!DOCTYPE
<class name="com.hp.osms.hibernate.Users" table="USERS"> <id name="userId" type="java.lang.Long">
<column name="USER_ID" precision="10" scale="0" /> <generator class="native">
<param name="sequence"> HIBERNATE_SEQUENCE</param> </generator>
</id>
Installing, Configuring, and Managing Web Server Middleware Stack Components 39