public static String createTrxName(String prefix){
  if (prefix == null || prefix.length() == 0)   prefix="Trx";
  prefix+="_" + UUID.randomUUID();
  Trx.get(prefix,true);
  return prefix;
}

public static String createTrxName ( String prefix ) { if ( prefix == null || prefix . length ( ) == 0 ) prefix = "Trx" ; prefix += "_" + UUID . randomUUID ( ) ; Trx . get ( prefix , true ) ; return prefix ; }
create unique transaction name
