Biju Kunjummen bijukunjummen
bijukunjummen
/ FetchingRecordsAsync.kt
Created
May 3, 2020 00:40
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| val receiveMessageRequest: ReceiveMessageRequest = ReceiveMessageRequest.builder() | |
| .queueUrl(queueUrl) | |
| .maxNumberOfMessages(5) | |
| .waitTimeSeconds(10) | |
| .build() | |
| val messages: CompletableFuture<List<Message>> = sqsAsyncClient | |
| .receiveMessage(receiveMessageRequest) | |
| .thenApply { result -> result.messages() } |
bijukunjummen
/ InfiniteLoopNoBackpressure.kt
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() | |
bijukunjummen
/ WithBackpressureSupport.kt
Created
May 3, 2020 00:46
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| fun listen(): Flux<Pair<String, () -> Unit>> { | |
| return Flux.generate { sink: SynchronousSink<List<Message>> -> | |
| val receiveMessageRequest: ReceiveMessageRequest = ReceiveMessageRequest.builder() | |
| .queueUrl(queueUrl) | |
| .maxNumberOfMessages(5) | |
| .waitTimeSeconds(10) | |
| .build() | |
| val messages: List<Message> = sqsClient.receiveMessage(receiveMessageRequest).messages() | |
| LOGGER.info("Received: $messages") |
bijukunjummen
/ StreamOfMessages.kt
Created
May 3, 2020 01:15
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| Flux.generate { sink: SynchronousSink<List<Message>> -> | |
| val receiveMessageRequest: ReceiveMessageRequest = ReceiveMessageRequest.builder() | |
| .queueUrl(queueUrl) | |
| .maxNumberOfMessages(5) | |
| .waitTimeSeconds(10) | |
| .build() | |
| val messages: List<Message> = sqsClient.receiveMessage(receiveMessageRequest).messages() | |
| sink.next(messages) | |
| } |
bijukunjummen
/ GenerateRetry.kt
Created
May 3, 2020 01:16
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| Flux.generate { sink: SynchronousSink<List<Message>> -> | |
| val receiveMessageRequest: ReceiveMessageRequest = ReceiveMessageRequest.builder() | |
| .queueUrl(queueUrl) | |
| .maxNumberOfMessages(5) | |
| .waitTimeSeconds(10) | |
| .build() | |
| val messages: List<Message> = sqsClient.receiveMessage(receiveMessageRequest).messages() | |
| sink.next(messages) | |
| } |
bijukunjummen
/ ProcessInParallel.kt
Created
May 3, 2020 01:18
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| Flux.generate { sink: SynchronousSink<List<Message>> -> | |
| val receiveMessageRequest: ReceiveMessageRequest = ReceiveMessageRequest.builder() | |
| .queueUrl(queueUrl) | |
| .maxNumberOfMessages(5) | |
| .waitTimeSeconds(10) | |
| .build() | |
| val messages: List<Message> = sqsClient.receiveMessage(receiveMessageRequest).messages() | |
| sink.next(messages) | |
| } |
bijukunjummen
/ ProcessInParallelWithFlatMap.kt
Created
May 3, 2020 01:20
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| Flux.generate { sink: SynchronousSink<List<Message>> -> | |
| val receiveMessageRequest: ReceiveMessageRequest = ReceiveMessageRequest.builder() | |
| .queueUrl(queueUrl) | |
| .maxNumberOfMessages(5) | |
| .waitTimeSeconds(10) | |
| .build() | |
| val messages: List<Message> = sqsClient.receiveMessage(receiveMessageRequest).messages() | |
| sink.next(messages) | |
| } |
bijukunjummen
/ HandlingDownStreamErrors.kt
Created
May 3, 2020 01:21
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| .flatMap({ (message: String, deleteHandle: () -> Unit) -> | |
| task(message) | |
| .then(Mono.fromSupplier { Try.of { deleteHandle() } }) | |
| .doOnNext { t -> | |
| t.onFailure { e -> LOGGER.error(e.message, e) } | |
| } | |
| .then() | |
| .subscribeOn(taskScheduler) | |
| }, concurrency) |
bijukunjummen
/ hotel.kt
Created
May 25, 2020 13:47
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| http :9080/hotels id=4 name=name address=address zip=zip state=OR |
bijukunjummen
/ producer.kt
Created
July 26, 2020 23:55
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| fun produce(targetRate: Int, upto: Long): Flux<Long> { | |
| val delayBetweenEmits: Long = 1000L / targetRate | |
| return Flux.generate( | |
| { 1L }, | |
| { state: Long, sink: SynchronousSink<Long> -> | |
| sleep(delayBetweenEmits) | |
| val nextState: Long = state + 1 | |
| if (state > upto) { | |
| sink.complete() |