de.uniwue.info6.database.map.conf.HibernateUtil.java Source code

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Here is the source code for de.uniwue.info6.database.map.conf.HibernateUtil.java

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package de.uniwue.info6.database.map.conf;

/*
 * #%L
 * ************************************************************************
 * ORGANIZATION  :  Institute of Computer Science, University of Wuerzburg
 * PROJECT       :  UEPS - Uebungs-Programm fuer SQL
 * FILENAME      :  HibernateUtil.java
 * ************************************************************************
 * %%
 * Copyright (C) 2014 - 2015 Institute of Computer Science, University of Wuerzburg
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */

import org.hibernate.SessionFactory;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.cfg.Configuration;
import org.hibernate.service.ServiceRegistry;

import de.uniwue.info6.misc.properties.Cfg;
import de.uniwue.info6.misc.properties.PropString;
import de.uniwue.info6.misc.properties.PropertiesFile;

/**
 *
 *
 * @author Michael
 */
public class HibernateUtil {

    private static final SessionFactory sessionFactory = buildSessionFactory();
    private static final org.slf4j.Logger LOGGER = org.slf4j.LoggerFactory.getLogger(HibernateUtil.class);

    /**
     *
     *
     * @return
     */
    private static SessionFactory buildSessionFactory() {
        try {
            Cfg prop = Cfg.inst();

            Configuration hibernate = new Configuration().configure("hibernate.cfg.xml");
            hibernate.setProperty("hibernate.bytecode.use_reflection_optimizer", "false");
            hibernate.setProperty("hibernate.search.autoregister_listeners", "false");
            hibernate.setProperty("hibernate.current_session_context_class", "thread");
            hibernate.setProperty("hibernate.connection.driver_class", "org.mariadb.jdbc.Driver");
            hibernate.setProperty("hibernate.dialect", "org.hibernate.dialect.MySQLInnoDBDialect");

            hibernate.setProperty("hibernate.connection.url",
                    "jdbc:mariadb://" + prop.getProp(PropertiesFile.MAIN_CONFIG, PropString.MASTER_DBHOST) + ":"
                            + prop.getProp(PropertiesFile.MAIN_CONFIG, PropString.MASTER_DBPORT)
                            + "?autoReconnect=true");

            hibernate.setProperty("hibernate.default_catalog",
                    prop.getProp(PropertiesFile.MAIN_CONFIG, PropString.MASTER_DBNAME));
            hibernate.setProperty("hibernate.connection.username",
                    prop.getProp(PropertiesFile.MAIN_CONFIG, PropString.MASTER_DBUSER));
            hibernate.setProperty("hibernate.connection.password",
                    prop.getProp(PropertiesFile.MAIN_CONFIG, PropString.MASTER_DBPASS));

            StandardServiceRegistryBuilder serviceRegistryBuilder = new StandardServiceRegistryBuilder();
            serviceRegistryBuilder.applySettings(hibernate.getProperties());
            ServiceRegistry serviceRegistry = serviceRegistryBuilder.build();
            SessionFactory sessionFactory = hibernate.buildSessionFactory(serviceRegistry);

            return sessionFactory;
        } catch (Exception ex) {
            if (LOGGER != null) {
                LOGGER.error("Initial SessionFactory creation failed.", ex);
            }
            throw new ExceptionInInitializerError(ex);
        }
    }

    /**
     *
     *
     * @return
     */
    public static SessionFactory getSessionFactory() {
        return sessionFactory;
    }

    /**
     *
     *
     */
    public static void shutdown() {
        getSessionFactory().close();
    }
}