io.heming.accountbook.facade.FacadeUtil.java Source code

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Here is the source code for io.heming.accountbook.facade.FacadeUtil.java

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/*
 * Copyright 2015 heming.keh@gmail.com
 *
 * 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 io.heming.accountbook.facade;

/**
 * Created by Keh on 2015/5/17.
 */

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

public class FacadeUtil {

    private static SessionFactory sessionFactory = buildSessionFactory();

    private static SessionFactory buildSessionFactory() {
        try {
            // Create the SessionFactory from hibernate.cfg.xml
            Configuration conf = new Configuration();
            conf.configure("hibernate.cfg.xml");
            ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder()
                    .applySettings(conf.getProperties()).build();
            SessionFactory sessionFactory = conf.buildSessionFactory(serviceRegistry);
            return sessionFactory;
        } 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 void restart() {
        if (!sessionFactory.isClosed()) {
            sessionFactory.close();
        }
        sessionFactory = buildSessionFactory();
    }

    public static void shutdown() {
        sessionFactory.close();
    }

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