public void addLastCID(int regency,CertifiedDecision lastCID){
  HashSet<CertifiedDecision> last=lastCIDs.get(regency);
  if (last == null)   last=new HashSet<CertifiedDecision>();
  last.add(lastCID);
  lastCIDs.put(regency,last);
}

public void addLastCID ( int regency , CertifiedDecision lastCID ) { HashSet < CertifiedDecision > last = lastCIDs . get ( regency ) ; if ( last == null ) last = new HashSet < CertifiedDecision > ( ) ; last . add ( lastCID ) ; lastCIDs . put ( regency , last ) ; }
keep last cid from an incoming sync message
