rtdc.web.server.config.PersistenceConfig.java Source code

Introduction

Here is the source code for rtdc.web.server.config.PersistenceConfig.java

Source

/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2015 Olivier Clermont, Jonathan Ermel, Mathieu Fortin-Boulay, Philippe Legault & Nicolas Mnard
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package rtdc.web.server.config;

import org.hibernate.SessionFactory;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.cfg.Configuration;
import org.hibernate.service.ServiceRegistry;
import rtdc.web.server.model.AuthenticationToken;
import rtdc.web.server.model.UserCredentials;

public class PersistenceConfig {

    //XML based configuration
    private static SessionFactory sessionFactory;

    private static SessionFactory buildSessionFactory() {
        try {
            // Create the SessionFactory from prod.hibernate.cfg.xml
            Configuration configuration = new Configuration().configure("hibernate.cfg.xml")
                    .addResource("User.hbm.xml").addResource("Unit.hbm.xml").addResource("Action.hbm.xml")
                    .addResource("Message.hbm.xml").addAnnotatedClass(UserCredentials.class)
                    .addAnnotatedClass(AuthenticationToken.class);
            System.out.println("Hibernate Configuration loaded");

            ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder()
                    .applySettings(configuration.getProperties()).build();
            System.out.println("Hibernate serviceRegistry created");

            return configuration.buildSessionFactory(serviceRegistry);
        } catch (Throwable ex) {
            // Make sure you log the exception, as it might be swallowed
            System.err.println("Initial SessionFactory creation failed." + ex);
            throw new ExceptionInInitializerError(ex);
        }
    }

    public static SessionFactory getSessionFactory() {
        if (sessionFactory == null)
            sessionFactory = buildSessionFactory();
        return sessionFactory;
    }

}