destination.add(this);
if (log.isTraceEnabled()) log.trace("Attempting to add receiver"); boolean added = destination.add(this); if (log.isTraceEnabled()) log.trace("Added receiver:" + this.id + ", success=" + added);
   void setStarted(boolean s)   {           if (s)      {         destination.add(this);      }      else      {         destination.remove(id);      }   }