protected void addAllForReplay(Collection<Participant> participants){
  Iterator<Participant> it=participants.iterator();
  while (it.hasNext()) {
    Participant p=it.next();
    replayCompletion(p);
  }
}

protected void addAllForReplay ( Collection < Participant > participants ) { Iterator < Participant > it = participants . iterator ( ) ; while ( it . hasNext ( ) ) { Participant p = it . next ( ) ; replayCompletion ( p ) ; } }
utility method for subclasses .
