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package pt.estgp.es.exemplos.hibernate;
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import org.apache.log4j.Logger;
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import org.hibernate.Session;
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import org.hibernate.SessionFactory;
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import org.hibernate.cfg.Configuration;
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public class HibernateUtils {
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        //    private static Session session;
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        private static final 1.5.0/docs/api/java/util/logging/Logger.html">Logger logger = 1.5.0/docs/api/java/util/logging/Logger.html">Logger.getLogger(HibernateUtils.class);
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        private static SessionFactory sessionFactory;
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        private static SessionFactory migrationSessionFactory;
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        static
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        {
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                try
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                {
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                        createFactory();
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//            session = sessionFactory.openSession();
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                }
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                catch (1.5.0/docs/api/java/lang/Throwable.html">Throwable e)
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                {
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                        logger.fatal(e,e);
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                        throw new 1.5.0/docs/api/java/lang/ExceptionInInitializerError.html">ExceptionInInitializerError(e);
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                }
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        }
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        private static void createFactory()
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        {
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                1.5.0/docs/api/javax/security/auth/login/Configuration.html">Configuration config = new 1.5.0/docs/api/javax/security/auth/login/Configuration.html">Configuration();
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                config.configure(1.5.0/docs/api/java/lang/Thread.html">Thread.currentThread().getContextClassLoader().getResource("pt/estgp/es/exemplos/hibernate/hibernate.cfg.xml"));
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                //config.setInterceptor(new DirtyCheckInterceptor());
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                sessionFactory = config.buildSessionFactory();
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        }
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        public static SessionFactory getSessionFactory()
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        {
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                if(sessionFactory.isClosed())
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                        createFactory();
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                return sessionFactory;
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        }
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        public static synchronized Session openSession()
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        {
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//        if(!session.isOpen())
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                //      return sessionFactory.openSession();
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//        return session;
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                return getCurrentSession();
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        }
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        public static synchronized Session getCurrentSession() throws 1.5.0/docs/api/java/lang/IllegalStateException.html">IllegalStateException
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        {
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//        if(!examples.isOpen())
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//            examples = sessionFactory.openSession();
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//        return examples;
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                return getSessionFactory().getCurrentSession();
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        }
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}