org.granite.hibernate4.HibernateOptimisticLockException.java Source code

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Here is the source code for org.granite.hibernate4.HibernateOptimisticLockException.java

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/*
  GRANITE DATA SERVICES
  Copyright (C) 2011 GRANITE DATA SERVICES S.A.S.
    
  This file is part of Granite Data Services.
    
  Granite Data Services is free software; you can redistribute it and/or modify
  it under the terms of the GNU Library General Public License as published by
  the Free Software Foundation; either version 2 of the License, or (at your
  option) any later version.
    
  Granite Data Services 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 Library General Public License
  for more details.
    
  You should have received a copy of the GNU Library General Public License
  along with this library; if not, see <http://www.gnu.org/licenses/>.
*/

package org.granite.hibernate4;

import java.io.Serializable;

import org.hibernate.ObjectNotFoundException;
import org.hibernate.Session;
import org.hibernate.StaleObjectStateException;
import org.hibernate.StaleStateException;

/**
 * @author William DRAI
 */
public class HibernateOptimisticLockException extends StaleStateException {

    private static final long serialVersionUID = 1L;

    private Object entity;

    public HibernateOptimisticLockException(String message, Throwable cause, Object entity) {
        super(message);
        this.entity = entity;
    }

    public Object getEntity() {
        return entity;
    }

    public static void rethrowOptimisticLockException(Session session, StaleObjectStateException sose) {
        Serializable identifier = sose.getIdentifier();
        if (identifier != null) {
            try {
                Object entity = session.load(sose.getEntityName(), identifier);
                if (entity instanceof Serializable) {
                    //avoid some user errors regarding boundary crossing
                    throw new HibernateOptimisticLockException(null, sose, entity);
                }
            } catch (ObjectNotFoundException onfe) {
                // Ignored, StaleStateException will be rethrown
            }
        }
    }
}