com.camel.dao.HibernateConnector.java Source code

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Here is the source code for com.camel.dao.HibernateConnector.java

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package com.camel.dao;

import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;

public class HibernateConnector {

    private static HibernateConnector me;
    private Configuration cfg;
    private SessionFactory sessionFactory;

    private HibernateConnector() throws HibernateException {

        // build the config
        cfg = new Configuration().configure();

        sessionFactory = cfg.buildSessionFactory();
    }

    public static synchronized HibernateConnector getInstance() throws HibernateException {
        if (me == null) {
            me = new HibernateConnector();
        }

        return me;
    }

    public Session getSession() throws HibernateException {
        Session session = sessionFactory.openSession();
        if (!session.isConnected()) {
            this.reconnect();
        }
        return session;
    }

    private void reconnect() throws HibernateException {
        this.sessionFactory = cfg.buildSessionFactory();
    }
}