content: //  Copyright 2006, Clark N. Hobbie
  //
  //  This file is part of the com.lts.pest library.
  //
  //  The com.lts.pest library is free software; you can redistribute it and/or
  //  modify it under the terms of the Lesser GNU General Public License as
  //  published by the Free Software Foundation; either version 2.1 of the
  //  License, or (at your option) any later version.
  //
  //  The com.lts.pest 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 Lesser GNU
  //  General Public License for more details.
  //
  //  You should have received a copy of the Lesser GNU General Public License
  //  along with the com.lts.pest library; if not, write to the Free Software
  //  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  //
  package com.lts.pest.data;
  
  /**
   * A DataItem that is an aggregate of other DataItems.
   * 
   * <P>
   * The object itself is not dirty or clean, instead the collection of all the constituent
   * objects determine the object's status.  If any component object is dirty, then 
   * the object is considered dirty.  If the object is marked as clean or dirty, then the 
   * the status is forwarded to all components via {@link DataItem#setDirty(boolean)}.
   * 
   * @author cnh
   */
  public interface DataContainer extends DataItem
  {
  	public DataItem[] getComponents();
  }
  