club.jmint.mifty.dao.Dao.java Source code

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Here is the source code for club.jmint.mifty.dao.Dao.java

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/*
 * Copyright 2016 The Mifty Project
 *
 * The Mifty Project licenses this file to you 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 club.jmint.mifty.dao;

import java.io.File;
import java.util.List;

import org.hibernate.SQLQuery;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.boot.registry.StandardServiceRegistry;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.cfg.Configuration;

import club.jmint.mifty.utils.CrossLog;

public class Dao {
    //Database field types
    public static final int DB_FIELD_VALUE_NUM = 1;
    public static final int DB_FIELD_VALUE_CHAR = 2;
    public static final int DB_FIELD_VALUE_TIME = 3;
    public static final int DB_FIELD_VALUE_NULL = 4;

    private static final SessionFactory sessionFactory = buildSessionFactory();

    private static SessionFactory buildSessionFactory() {
        try {
            // Create the SessionFactory from hibernate.cfg.xml
            //            return new Configuration().configure().buildSessionFactory(
            //             new StandardServiceRegistryBuilder().build() );
            //         String udir = System.getProperty("user.dir");
            //         String fdir = udir + File.separator+"conf"+File.separator+"hibernate.cfg.xml";
            Configuration cfg = new Configuration().configure(new File("conf/hibernate.cfg.xml"));

            StandardServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder()
                    .applySettings(cfg.getProperties()).build();
            SessionFactory sf = cfg.buildSessionFactory(serviceRegistry);
            CrossLog.logger.info("DAO SessionFactory initialized.");
            return sf;
        } catch (Throwable ex) {
            CrossLog.logger.error("DAO SessionFactory initialization failed.");
            throw new ExceptionInInitializerError(ex);
        }
    }

    public static SessionFactory getSessionFactory() {
        return sessionFactory;
    }

    public void closeSessionFactory() {
        sessionFactory.close();
    }

    public static Session openSession() {
        return sessionFactory.openSession();
    }

    public static Session getSession() {
        return sessionFactory.getCurrentSession();
    }

    public static void closeSession(Session session) {
        session.disconnect();
        session.close();
    }

}