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AmazonSQSAsyncの呼び出し方

AmazonSQSAsync の呼び出し方です。

    AmazonSQSAsync sqs = SQS.getAsyncClient();
    try {
      CreateQueueResult queue =
        sqs.createQueue(
          new CreateQueueRequest().withQueueName(QUEUE_NAME));
      HashMap<String, MessageAttributeValue> map =
        new HashMap<String, MessageAttributeValue>();
      map.put(
        "foo",
        new MessageAttributeValue().withDataType("String").withStringValue(
          "aaa"));
      Future<SendMessageResult> result =
        sqs.sendMessageAsync(
          new SendMessageRequest(queue.getQueueUrl(), "Message")
            .withMessageAttributes(map));
      while (!result.isDone()) {
        Thread.sleep(10);
      }
    } catch (Exception e) {
      logger.error(e);
    } finally {
      sqs.shutdown();
    }

sqs.sendMessageAsync の返り値として Future が返ってきます。 isDone() メソッドが呼ばれるとSQSの送信が完了した判定になるので、それまでループで待って最後shutdownするのがお作法のようです。

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