com.knowbout.hibernate.model.PersistentObject.java Source code

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Here is the source code for com.knowbout.hibernate.model.PersistentObject.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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 com.knowbout.hibernate.model;

import org.hibernate.LockMode;
import org.hibernate.Session;

import com.knowbout.hibernate.HibernateUtil;

/**
 * Provides a simple parent class for persistent objects to subclass when desired
 * in order to easily implement basic persistence methods.
 * @author fear
 */
public class PersistentObject {

    public void insert() {
        this.insert(this);
    }

    public void delete() {
        this.delete(this);
    }

    public void save() {
        this.save(this);
    }

    public void reattach() {
        this.reattach(this);
    }

    public boolean isAttached() {
        return HibernateUtil.currentSession().contains(this);
    }

    protected void save(Object object) {
        HibernateUtil.currentSession().saveOrUpdate(object);
    }

    protected void insert(Object object) {
        HibernateUtil.currentSession().save(object);
    }

    protected void delete(Object object) {
        HibernateUtil.currentSession().delete(object);
    }

    protected void reattach(Object object) {
        Session session = HibernateUtil.currentSession();
        if (!session.contains(object)) {
            session.lock(object, LockMode.NONE);
        }
    }

    protected static Session getSession() {
        return HibernateUtil.currentSession();
    }
}