org.mentawai.transaction.HibernateTransaction.java Source code

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Here is the source code for org.mentawai.transaction.HibernateTransaction.java

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/*
 * Mentawai Web Framework http://mentawai.lohis.com.br/
 * Copyright (C) 2005  Sergio Oliveira Jr. (sergio.oliveira.jr@gmail.com)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
package org.mentawai.transaction;

import org.hibernate.Session;

/**
 * @author Rubem Azenha
 */
public class HibernateTransaction implements Transaction {

    private Session session = null;
    private org.hibernate.Transaction transaction = null;
    private boolean active = false;

    public HibernateTransaction() {
    }

    public HibernateTransaction(Session session) {
        this.session = session;
    }

    public HibernateTransaction(Session session, org.hibernate.Transaction transaction) {
        this(session);
        this.transaction = transaction;
        this.active = true;
    }

    public void setSession(Session session) {
        this.session = session;
    }

    public void setTransaction(org.hibernate.Transaction transaction) {
        this.transaction = transaction;
    }

    public void begin() throws Exception {
        if (session == null)
            throw new IllegalStateException("HibernateTransaction does not have a hibernate session!");

        // by Sergio: check if transaction was passed in constructor...
        if (transaction == null) {
            transaction = session.beginTransaction();
        }
        active = true;
    }

    public void commit() throws Exception {
        if (!active)
            throw new IllegalStateException("Tried to commit but transaciton is not active!");
        transaction.commit();
    }

    public void rollback() throws Exception {
        if (!active)
            throw new IllegalStateException("Tried to rollback but transaciton is not active!");
        transaction.rollback();
    }

    public boolean isActive() {
        return active;
    }

    public void end() throws Exception {
        active = false;
    }

    public Session getSession() {
        return session;
    }

    public org.hibernate.Transaction getTransaction() {
        return transaction;
    }
}