package org.lcsim.lcio;
   
   import hep.io.sio.SIOInputStream;
   import hep.io.sio.SIOOutputStream;
   import java.io.IOException;
   
   import org.lcsim.event.LCRelation;
   
   /**
   * Block handler for relation objects.
   *
   * @author Guilherme Lima
   * @version $Id: SIOLCRelationBlockHandler.java,v 1.4 2007/10/17 02:06:23 tonyj Exp $
   */
  class SIOLCRelationBlockHandler extends AbstractBlockHandler
  {
      public String getType() { return "LCRelation"; }
      public Class getClassForType() { return LCRelation.class; }
      LCIOCallback addCollectionElements(LCIOEvent event, LCIOCollection collection,
  				      SIOInputStream in, int n, int version)
  	throws IOException
      {
        for (int i = 0; i < n; i++)
  	collection.add(new SIOLCRelation(in, collection.getFlags(), version));
        return null;
      }
        
      void writeCollectionElement(Object element, SIOOutputStream out, int flags)
  	throws IOException
      {
  	SIOLCRelation.write((LCRelation) element, out, flags);
      }
  }