com.zanvork.guildhub.model.dao.HibernateMySQLDAO.java Source code

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Here is the source code for com.zanvork.guildhub.model.dao.HibernateMySQLDAO.java

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package com.zanvork.guildhub.model.dao;

import java.util.HashMap;
import java.util.Map;
import org.hibernate.HibernateException;
import org.hibernate.SessionFactory;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.cfg.Configuration;
import org.hibernate.service.ServiceRegistry;

/**
 *
 * @author Jamie
 */
public class HibernateMySQLDAO {
    public static final String DEFAULT_SESSION_NAME = "guild_hub";
    private static final Map<String, SessionFactory> sessionFactory = new HashMap();

    public static SessionFactory getSessionFactory() {
        return getSessionFactory(DEFAULT_SESSION_NAME);
    }

    public static SessionFactory getSessionFactory(String dbconnect) {

        if (sessionFactory != null && sessionFactory.containsKey(dbconnect)) {
            return sessionFactory.get(dbconnect);
        }

        try {
            synchronized (sessionFactory) {
                Configuration configuration = new Configuration().configure();

                ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder()
                        .applySettings(configuration.getProperties()).build();
                SessionFactory sf = configuration.buildSessionFactory(serviceRegistry);
                sessionFactory.put(dbconnect, sf);
            }
        } catch (HibernateException ex) {
            throw new ExceptionInInitializerError(ex);
        }
        return sessionFactory.get(dbconnect);
    }

    public static void closeSession() {
        closeSession(DEFAULT_SESSION_NAME);
    }

    public static void closeSession(String dbconnect) {
        if (sessionFactory != null && sessionFactory.containsKey(dbconnect)) {
            SessionFactory sf = sessionFactory.get(dbconnect);
            sf.close();
            sessionFactory.remove(dbconnect);

            try {

            } catch (HibernateException ex) {
                throw new ExceptionInInitializerError(ex);
            }
        }
    }
}