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- package org.sistema.hibernate.tareaHibernate;
- import org.hibernate.Session;
- import org.hibernate.SessionFactory;
- import org.hibernate.cfg.Configuration;
- import org.hibernate.service.ServiceRegistry;
- import org.hibernate.service.ServiceRegistryBuilder;
- /**
- * Represents a entity which handles the session with the database.
- *
- * @author Eugenia Pérez Martínez
- */
- public class HibernateSession {
- private static final SessionFactory sessionFactory = buildSessionFactory();
- private static Session session;
- /**
- * Based on hibernate.cfg.xml configuration creates a SessionFactory
- *
- * @return the session factory
- */
- private static SessionFactory buildSessionFactory() {
- Configuration configuration = new Configuration();
- configuration.configure();
- ServiceRegistry serviceRegistry = new ServiceRegistryBuilder()
- .applySettings(configuration.getProperties())
- .buildServiceRegistry();
- SessionFactory sessionFactory = configuration
- .buildSessionFactory(serviceRegistry);
- return sessionFactory;
- }
- /**
- * this gives the desired session factory
- *
- * @return hibernate Session Factory instance
- */
- public static SessionFactory getSessionFactory() {
- return sessionFactory;
- }
- /**
- * gives the current Session
- *
- * @return Hibernate Session
- */
- public static Session getSession() {
- if (null == session) {
- session = sessionFactory.openSession();
- }
- return session;
- }
- }
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