code: public static void setState(ParseState state) {
  
      if (state == null) {
        System.err.println("Null state found");
        Environment.logInfo("Null state found");
      }
  
      persData.setProperty(state.filename, state.firstLine + SEPARATOR + state.offset);
    }
docs: Set the state of parsing for a particular log file.
  
  @param state the ParseState to set