br.com.petslive.dao.DaoManagerHiber.java Source code

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Here is the source code for br.com.petslive.dao.DaoManagerHiber.java

Source

package br.com.petslive.dao;

import java.util.List;
import org.hibernate.Criteria;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.AnnotationConfiguration;
import org.hibernate.cfg.Configuration;
import org.hibernate.criterion.Example;
import org.hibernate.criterion.MatchMode;
import org.hibernate.tool.hbm2ddl.SchemaExport;

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 *
 * @author Carlos Eduardo
 */

public class DaoManagerHiber {
    private static DaoManagerHiber myself = null;

    private SessionFactory sessionFactory;
    private Session s;

    private DaoManagerHiber() {

        try {

            sessionFactory = new Configuration().configure("hibernate.cfg.xml").buildSessionFactory();
            s = sessionFactory.openSession();

        } catch (Throwable th) {

            System.err.println("Enitial SessionFactory creation failed" + th);

            throw new ExceptionInInitializerError(th);

        }

    }

    public static DaoManagerHiber getInstance() {
        if (myself == null)
            myself = new DaoManagerHiber();

        return myself;
    }

    public void persist(Object o) {

        Transaction tr = null;

        try {
            s.close();
        } catch (org.hibernate.SessionException sess) {

        }

        s = sessionFactory.openSession();

        tr = s.beginTransaction();

        s.save(o);

        tr.commit();

        //s.close();
    }

    public List recover(String hql) {
        Transaction tr = null;

        try {
            s.close();
        } catch (org.hibernate.SessionException sess) {

        }

        s = sessionFactory.openSession();

        tr = s.beginTransaction();

        Query query = s.createQuery(hql);

        //s.close();

        return query.list();
    }

    public List recoverSQL(String sql) {
        Transaction tr = null;

        try {
            s.close();
        } catch (org.hibernate.SessionException sess) {

        }

        s = sessionFactory.openSession();

        tr = s.beginTransaction();

        Query query = s.createSQLQuery(sql);

        return query.list();
    }

    public List recover(Object o) {

        Criteria c = s.createCriteria(o.getClass());

        c.add(Example.create(o).enableLike(MatchMode.ANYWHERE).ignoreCase().excludeProperty("codigo"));

        List l = c.list();
        try {
            s.close();
        } catch (org.hibernate.SessionException sess) {

        }

        return l;
    }

    public void update(Object o) {
        Transaction tr = null;

        try {
            s.close();
        } catch (org.hibernate.SessionException sess) {

        }
        s = sessionFactory.openSession();
        tr = s.beginTransaction();

        s.update(o);

        //s.close();

        tr.commit();

    }

    public void delete(Object o) {
        Transaction tr = null;

        s.close();

        s = sessionFactory.openSession();
        tr = s.beginTransaction();

        //s.close();

        s.delete(o);

        tr.commit();

        //s.close();
    }

    public static void main(String args[]) {
        SchemaExport se = new SchemaExport(new AnnotationConfiguration().configure());
        se.create(true, true);
    }

    public void delete() {
        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

}