org.openo.commonservice.extsys.db.util.HibernateSession.java Source code

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Here is the source code for org.openo.commonservice.extsys.db.util.HibernateSession.java

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/**
 * Copyright 2016 ZTE Corporation.
 *
 * 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.
 */
package org.openo.commonservice.extsys.db.util;

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

import java.io.File;
import java.net.URISyntaxException;

public class HibernateSession {
    private static File cfgfile = null;

    private static ServiceRegistry serviceRegistry = null;
    private static Configuration configuration = null;
    private static SessionFactory sessionFactory = null;
    private static String resourcePath;

    /**
     * Get a hibernate sessionFactory.
     */
    public static SessionFactory init() {
        initConfigure();
        configuration = new Configuration().configure(cfgfile);
        configuration.setProperty("hibernate.connection.url",
                "jdbc:h2:tcp://localhost:18207/" + resourcePath + "db/extsys");
        serviceRegistry = new StandardServiceRegistryBuilder().applySettings(configuration.getProperties()).build();
        sessionFactory = configuration.buildSessionFactory(serviceRegistry);
        return sessionFactory;
    }

    private static void initConfigure() {
        try {
            resourcePath = HibernateSession.class.getResource("/").toURI().getPath();
        } catch (URISyntaxException error) {
            error.printStackTrace();
        }
        final String filename = "Hibernate.cfg.xml";
        cfgfile = new File(resourcePath + filename);
    }

    /**
     * Destory a hibernate sessionFactory.
     */
    public static void destory() {
        if (sessionFactory != null && !sessionFactory.isClosed()) {
            sessionFactory.close();
        }
    }

}