code: @SuppressWarnings("rawtypes")
      public void initialize(Map conf, TopologyContext context, String function)
      {
          this.context = context;
          this.stormConf = conf;
          this.function = function;
          this.idsMap = new RotatingMap<TransactionAttempt, DrpcRequestInfo>(ROTATE_SIZE);
          this.rotateTime = TimeUnit.SECONDS.toMillis(((Number) conf.get(Config.TOPOLOGY_MESSAGE_TIMEOUT_SECS)).intValue());
          this.lastRotate = getCurrentTime();
      }
docs: 設定値、Context、DRPC機能名称を指定して初期化を行う。
  
  @param conf 設定値
  @param context Context
  @param function DRPC機能名称