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   /*
    *   Copyright (C) 2002 Carsten Krebs (Team-Konzept GmbH & Co.KG)
    *
    *  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 com.teamkonzept.dom4jb.schema;
  
  import com.teamkonzept.dom4jb.dom.Document;
  import com.teamkonzept.dom4jb.dom.Node;
  
  public abstract class GroupDescriptor implements Groupable {
  
    public static final GroupDescriptor
      EMPTY_DESCRIPTOR = new Sequence( new Groupable[0] );
  
    public abstract boolean  isEmpty();
  
    public final Node getContent( final Document doc, final Object bean ) {
      return null;
    }
  }