Created
May 3, 2020 00:43
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fun listen(): Flux<Pair<String, () -> Unit>> { | |
return Flux.create { sink: FluxSink<List<Message>> -> | |
while (running) { | |
try { | |
val receiveMessageRequest: ReceiveMessageRequest = ReceiveMessageRequest.builder() | |
.queueUrl(queueUrl) | |
.maxNumberOfMessages(5) | |
.waitTimeSeconds(10) | |
.build() | |
val messages: List<Message> = sqsClient.receiveMessage(receiveMessageRequest).messages() | |
LOGGER.info("Received: $messages") | |
sink.next(messages) | |
} catch (e: InterruptedException) { | |
LOGGER.error(e.message, e) | |
} catch (e: Exception) { | |
LOGGER.error(e.message, e) | |
} | |
} | |
} | |
.flatMapIterable(Function.identity()) | |
.doOnError { t: Throwable -> LOGGER.error(t.message, t) } | |
.retry() | |
.map { snsMessage: Message -> | |
val snsMessageBody: String = snsMessage.body() | |
val snsNotification: SnsNotification = readSnsNotification(snsMessageBody) | |
snsNotification.message to { deleteQueueMessage(snsMessage.receiptHandle(), queueUrl) } | |
} | |
} |
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