public static String mkStreamId(String jobId,String opletId,int oport){
  Objects.requireNonNull(jobId,"jobId");
  Objects.requireNonNull(opletId,"opletId");
  if (oport < 0)   throw new IllegalArgumentException("oport");
  return String.format(STREAMID_FMT,jobId,opletId,oport);
}

public static String mkStreamId ( String jobId , String opletId , int oport ) { Objects . requireNonNull ( jobId , "jobId" ) ; Objects . requireNonNull ( opletId , "opletId" ) ; if ( oport < 0 ) throw new IllegalArgumentException ( "oport" ) ; return String . format ( STREAMID_FMT , jobId , opletId , oport ) ; }
make a streamid for the specified stream .
