001    /*
002      GRANITE DATA SERVICES
003      Copyright (C) 2011 GRANITE DATA SERVICES S.A.S.
004    
005      This file is part of Granite Data Services.
006    
007      Granite Data Services is free software; you can redistribute it and/or modify
008      it under the terms of the GNU Library General Public License as published by
009      the Free Software Foundation; either version 2 of the License, or (at your
010      option) any later version.
011    
012      Granite Data Services is distributed in the hope that it will be useful, but
013      WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
014      FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
015      for more details.
016    
017      You should have received a copy of the GNU Library General Public License
018      along with this library; if not, see <http://www.gnu.org/licenses/>.
019    */
020    
021    package org.granite.tide.data;
022    
023    import java.util.List;
024    
025    import org.granite.tide.data.DataContext.EntityUpdate;
026    
027    
028    /**
029     *  Interface for data update postprocessors.
030     *  Allows processing of updated entities before the updates are dispatched or returned to the clients.
031     *  Can be attached to the <code>DataContext</code> or lookup up by injection when using a DI framework.
032     * 
033     *  @see DataContext
034     * 
035     *  @author William Drai
036     */
037    public interface DataUpdatePostprocessor {
038            
039            public List<EntityUpdate> process(List<EntityUpdate> updates);
040    }