util.connect_db.java Source code

Introduction

Here is the source code for util.connect_db.java

Source

package util;

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import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.sql.DataSource;
import org.hibernate.HibernateException;
import org.hibernate.cfg.AnnotationConfiguration;
import org.hibernate.SessionFactory;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.cfg.Configuration;
import org.hibernate.cfg.Environment;
import regmvv.MainForm;

/**
 * Hibernate Utility class with a convenient method to get Session Factory
 * object.
 *
 * @author nikolaev
 */
public class connect_db {

    private static final SessionFactory sessionFactory;
    private static SessionFactory sf;

    static {
        try {

            sessionFactory = new AnnotationConfiguration().configure("connect_db.cfg.xml").buildSessionFactory();
        } catch (HibernateException ex) {
            // Log the exception. 
            System.err.println("Initial SessionFactory creation failed." + ex);
            throw new ExceptionInInitializerError(ex);
        }
    }

    public static SessionFactory getSessionFactory() {
        return sf;
    }

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

    public static void s() {
        DataSource dataSource = null;
        java.sql.Connection conn;
        try {
            conn = dataSource.getConnection();
        } catch (SQLException ex) {
            Logger.getLogger(MainForm.class.getName()).log(Level.SEVERE, null, ex);
        }
        Configuration configuration = new Configuration().configure("connect_db.cfg.xml");
        sf = configuration.buildSessionFactory(
                new StandardServiceRegistryBuilder().applySettings(configuration.getProperties())
                        //here you apply the custom dataSource
                        .applySetting(Environment.DATASOURCE, dataSource).build());
    }

}