PingMessage.java

package  dmg.cells.network ;

import java.io.Serializable;

import dmg.cells.nucleus.CellPath;

/**
  *
  *
  * @author Patrick Fuhrmann
  * @version 0.1, 15 Feb 1998
  */
public class PingMessage implements Serializable {
   private static final long serialVersionUID = -2899727151648545028L;

   private final long    _millis ;
   private final byte [] _payload ;

   private boolean _wayback;
   private CellPath _outboundPath;

   public PingMessage(){
	   this(0);
   }
   public PingMessage( int payloadSize ){
      _payload = new byte [payloadSize] ;
      _millis  = System.currentTimeMillis() ;
   }
   public void    setWayBack(){ _wayback = true ; }
   public boolean isWayBack(){ return _wayback ; }

   public void setOutboundPath(CellPath path)
   {
      _outboundPath = path.clone();
   }

   public CellPath getOutboundPath()
   {
      return _outboundPath;
   }

   public long getTransferTime(){
     return System.currentTimeMillis() - _millis ;
   }
   public int getPayloadSize(){ return _payload.length ; }
   public String toString(){
      return "Transfer Time = "+getTransferTime()+
             " (payload="+_payload.length+" bytes)" ;

   }
}