package org.lcsim.lcio;
   
   import hep.io.sio.SIOInputStream;
   import hep.io.sio.SIOOutputStream;
   import hep.io.sio.SIORef;
   import java.io.IOException;
   import java.util.ListIterator;
   import org.lcsim.event.MCParticle;
   
  /**
   *
   * @author tonyj
   */
  class SIOReferencesBlockHandler extends AbstractBlockHandler
  {
     private String type;
     private Class classForType;
     SIOReferencesBlockHandler(String type, Class classForType)
     {
        this.type = type;
        this.classForType = classForType;
     }
     public String getType() { return type; }
     public Class getClassForType() { return classForType; }
     
     LCIOCallback addCollectionElements(LCIOEvent event, final LCIOCollection collection, SIOInputStream in, int n, int version) throws IOException
     {
        for (int i = 0; i < n; i++) collection.add(in.readPntr());
        return new LCIOCallback()
        {
           public void callback()
           {
              for (ListIterator iter = collection.listIterator(); iter.hasNext(); )
              {
                 SIORef ref = (SIORef) iter.next();
                 iter.set(ref.getObject());
              }
           }
        };
     }
     
     void writeCollectionElement(Object element, SIOOutputStream out, int flags) throws IOException
     {
        out.writePntr(element);
     }
  }