public static String opCodeToString(int opCode) {
      String string = null;
      switch (opCode) {
        case GET_OP:
          string = "GET_OP";
          break;
        case BECOME_OP:
          string = "BECOME_OP";
          break;
        case CLEAR_OP:
          string = "CLEAR_OP";
          break;
        case PEEK_OP:
          string = "PEEK_OP";
          break;
        case CLEAR_WITH_LOCKS_OP:
          string = "CLEAR_WITH_LOCKS_OP";
          break;
        default:
          string = "UNKNOWN:" + opCode;
          break;
      }
      return string;
    }
@return true if the message was sent
geode-core/src/main/java/org/apache/geode/distributed/internal/locks/GrantorRequestProcessor.java