com.model.database.queries.util.Hutil.java Source code

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Here is the source code for com.model.database.queries.util.Hutil.java

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// Copyright (C) 2015 Oregon State University - School of Mechanical,Industrial and Manufacturing Engineering 
//   This file is part of Transit Network Analysis Software Tool.
//
//    Transit Network Analysis Software Tool is free software: you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation, either version 3 of the License, or
//    (at your option) any later version.
//
//    Transit Network Analysis Software Tool is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU  General Public License for more details.
//
//    You should have received a copy of the GNU  General Public License
//    along with Transit Network Analysis Software Tool.  If not, see <http://www.gnu.org/licenses/>.

package com.model.database.queries.util;

import org.hibernate.*;
import org.hibernate.cfg.*;

import com.model.database.Databases;

public class Hutil {
    private static SessionFactory[] sessionFactory = new SessionFactory[Databases.dbsize];

    static {
        for (int k = 0; k < Databases.dbsize; k++) {
            try {
                // Create the SessionFactory from hibernate.cfg.xml
                sessionFactory[k] = new Configuration().configure(Databases.spatialConfigPaths[k])
                        .buildSessionFactory();
            } 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 updateSessions() {
        for (SessionFactory s : sessionFactory) {
            s.close();
        }
        sessionFactory = new SessionFactory[Databases.dbsize];
        for (int k = 0; k < Databases.dbsize; k++) {
            try {
                // Create the SessionFactory from hibernate.cfg.xml
                sessionFactory[k] = new Configuration().configure(Databases.spatialConfigPaths[k])
                        .buildSessionFactory();

            } 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() {
        return sessionFactory;
    }

}