SimpleMessageListenerContainer Amazon SQS Pollinterval - spring

Question

I am using Spring Cloud library to poll SQS. How can I set poll interval?
#Bean
#Primary
public AmazonSQSAsync amazonSQSAsync() {
return AmazonSQSAsyncClientBuilder.standard().
withCredentials(awsCredentialsProvider()).
withClientConfiguration(clientConfiguration()).
build();
}
#Bean
#ConfigurationProperties(prefix = "aws.queue")
public SimpleMessageListenerContainer simpleMessageListenerContainer(AmazonSQSAsync amazonSQSAsync) {
SimpleMessageListenerContainer simpleMessageListenerContainer = new SimpleMessageListenerContainer();
simpleMessageListenerContainer.setAmazonSqs(amazonSQSAsync);
simpleMessageListenerContainer.setMessageHandler(queueMessageHandler());
simpleMessageListenerContainer.setMaxNumberOfMessages(10);
simpleMessageListenerContainer.setTaskExecutor(threadPoolTaskExecutor());
return simpleMessageListenerContainer;
}
#Bean
public QueueMessageHandler queueMessageHandler() {
QueueMessageHandlerFactory queueMessageHandlerFactory = new QueueMessageHandlerFactory();
queueMessageHandlerFactory.setAmazonSqs(amazonSQSAsync());
QueueMessageHandler queueMessageHandler = queueMessageHandlerFactory.createQueueMessageHandler();
return queueMessageHandler;
}
#Bean
public ThreadPoolTaskExecutor threadPoolTaskExecutor() {
ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
executor.setCorePoolSize(10);
executor.setMaxPoolSize(10);
executor.setThreadNamePrefix("oaoQueueExecutor");
executor.initialize();
return executor;
}

Answer 1

Call setWaitTimeOut(N) function of the base class AbstractMessageListenerContainer in package org.springframework.cloud.aws.messaging.listener. N is the long poll timeout in seconds.
For example if you want to wait for 5 sec before it returns, use below line of code in your queueMessageHandler() function. The default is 1 sec if you don't call this function. The maximum long polling timeout is 20 sec, so the max you can give to this function is 20 which means "wait for 20 seconds"
simpleMessageListenerContainer.setWaitTimeOut (5);
The source code is here: https://github.com/spring-cloud/spring-cloud-aws/blob/master/spring-cloud-aws-messaging/src/main/java/org/springframework/cloud/aws/messaging/listener/AbstractMessageListenerContainer.java
/**
* Configures the wait timeout that the poll request will wait for new message to arrive if the are currently no
* messages on the queue. Higher values will reduce poll request to the system significantly.
*
* #param waitTimeOut
* - the wait time out in seconds
*/
public void setWaitTimeOut(Integer waitTimeOut) {
this.waitTimeOut = waitTimeOut;
}