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webonswing » net » ar » webonswing » managers » persistence » PersistenceContributor.java
//WebOnSwing - Web Application Framework
//Copyright (C) 2003 Fernando Damian Petrola
//  
//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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

package net.ar.webonswing.managers.persistence;

import net.ar.webonswing.managers.contributors.*;

/**
 * Contribuidor de persistencia y despersistencia para un componente
 * 
 * @author Fernando Damian Petrola
 */
public interface PersistenceContributor extends ComponentContributor
{
  /**
   * Realiza la contribucion de persistencia, o sea que de alguna forma va a colaborar con el PersistenceManager
   * para lograr que el estado que importa del componente asociado quede persistido en un medio.
   * 
   * @param aPersistenceManager
   */
  public void doPersistenceContribution(PersistenceContributionContainer aPersistenceManager);

  /**
   * Y este metodo va a recuperar el valor persistido por "doPersistenceContribution".
   * 
   * @param aPersistenceManager
   */
  public void restorePersistedValue(PersistenceContributionContainer aPersistenceManager);
  
  public boolean isPersistedValueEqualToModel(PersistenceContributionContainer aPersistenceManager);
}
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