davsclaus commented on a change in pull request #5872:
URL: https://github.com/apache/camel/pull/5872#discussion_r677968641
##########
File path:
components/camel-pulsar/src/main/java/org/apache/camel/component/pulsar/PulsarConsumer.java
##########
@@ -76,4 +90,31 @@ protected void doResume() throws Exception {
return strategy.create(endpoint);
}
+ private Collection<ExecutorService>
subscribeWithThreadPool(Collection<Consumer<byte[]>> consumers, PulsarEndpoint
endpoint)
+ throws Exception {
+ int numThreads =
endpoint.getPulsarConfiguration().getNumberOfConsumerThreads();
+ return consumers.stream().map(consumer -> {
+ ExecutorService executor =
Executors.newFixedThreadPool(numThreads);
+ for (int i = 0; i < numThreads; i++) {
+ executor.submit(() -> {
Review comment:
Also it may be worth to move this into its own private inner class so it
has a class name that makes stacktraces and logging/debugging easier.
##########
File path:
components/camel-pulsar/src/main/java/org/apache/camel/component/pulsar/utils/PulsarUtils.java
##########
@@ -31,6 +33,20 @@
private PulsarUtils() {
}
+ public static Queue<ExecutorService> stopExecutors(final
Queue<ExecutorService> executors) {
+ for (ExecutorService executor : executors) {
Review comment:
Use Camel's ExecutorServiceManager which has API for stopping thread
pools
##########
File path:
components/camel-pulsar/src/main/java/org/apache/camel/component/pulsar/PulsarConsumer.java
##########
@@ -76,4 +90,31 @@ protected void doResume() throws Exception {
return strategy.create(endpoint);
}
+ private Collection<ExecutorService>
subscribeWithThreadPool(Collection<Consumer<byte[]>> consumers, PulsarEndpoint
endpoint)
+ throws Exception {
+ int numThreads =
endpoint.getPulsarConfiguration().getNumberOfConsumerThreads();
+ return consumers.stream().map(consumer -> {
+ ExecutorService executor =
Executors.newFixedThreadPool(numThreads);
Review comment:
Use Camel's executor service API for this, see getExecutorServiceManager
on CamelContext
##########
File path:
components/camel-pulsar/src/main/java/org/apache/camel/component/pulsar/PulsarConsumer.java
##########
@@ -76,4 +90,31 @@ protected void doResume() throws Exception {
return strategy.create(endpoint);
}
+ private Collection<ExecutorService>
subscribeWithThreadPool(Collection<Consumer<byte[]>> consumers, PulsarEndpoint
endpoint)
+ throws Exception {
+ int numThreads =
endpoint.getPulsarConfiguration().getNumberOfConsumerThreads();
+ return consumers.stream().map(consumer -> {
+ ExecutorService executor =
Executors.newFixedThreadPool(numThreads);
+ for (int i = 0; i < numThreads; i++) {
+ executor.submit(() -> {
+ PulsarMessageListener listener = new
PulsarMessageListener(endpoint, this);
+ while (true) {
+ try {
+ Message<byte[]> msg = consumer.receive();
+ listener.received(consumer, msg);
+ } catch (PulsarClientException e) {
+ if (e.getCause() instanceof InterruptedException) {
+ // propagate interrupt
+ LOGGER.info("Received shutdown signal,
exiting");
+ break;
+ }
+ LOGGER.error("Encountered exception while
receiving message", e);
Review comment:
Use getExceptionHandler to handle this exception.
Also you would need to catch Exception to have a general catch and handle to
keep the thread up and running.
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