# 組件源碼 ``` @InParams(param = { @Param(name = "future", comment = "future", type = Future.class), @Param(name = "timeoutInSecs", comment = "超時時間（秒）", type = int.class) }) @OutParams(param = { @Param(name = "data", comment = "數據", type = Object.class) }) @Returns(returns = { @Return(id = "-1", desp = "異常"), @Return(id = "0", desp = "失敗"), @Return(id = "1", desp = "成功") }) @Component(label = "從異步組件中獲取數據", style = "判斷型", type = "同步組件", comment = "當Future已經完成時立即返回結果， 否則同步阻塞直到超時或者Future完成。當超時時間小于等于0時，超時時間為Future的超時時間", version = "1.0.0", deprecated = false, date = "Fri Jul 17 15:28:00 CST 2018") public static ResultBase P_getDataFromFuture(Object future, int timeoutInSecs) { if (!(future instanceof Future)) { return ResultBase.newFailureResult("TPTK0004", "參數必須是future類型"); } else { try { Object data; if (timeoutInSecs <= 0) { timeoutInSecs = 60; } data = ((Future) future).get((long) timeoutInSecs, TimeUnit.SECONDS); return ResultBase.newSuccessResult(new Object[] { data }); } catch (ExecutionException arg3) { return ResultBase.newExceptionResult("TPTK0005", "線程執行異常：" + arg3); } catch (InterruptedException arg4) { return ResultBase.newExceptionResult("TPTK0006", "線程wait被中斷：" + arg4); } catch (TimeoutException arg5) { return ResultBase.newExceptionResult("TPTK0007", "等待時間超時：" + arg5); } } } ``` # 交易中組件使用方式  # 參數說明及示例 ## 入口參數 future：Future 類型的參數，示例： `__INNER__["future"]` 超時時間（秒）：指定時間內完成，示例： `2` ## 出口參數 數據：從異步組件中獲取數據，示例： `__INNER__["result"]` > 異步組件要自己寫。