vineetsaurabh commented on code in PR #18212:
URL: https://github.com/apache/camel/pull/18212#discussion_r2115282851
##########
components/camel-nats/src/main/java/org/apache/camel/component/nats/NatsProducer.java:
##########
@@ -108,16 +108,53 @@ public boolean process(Exchange exchange, AsyncCallback
callback) {
} else {
LOG.debug("Publishing to topic: {}", config.getTopic());
- final NatsMessage.Builder builder = NatsMessage.builder()
- .data(body)
- .subject(config.getTopic())
- .headers(this.buildHeaders(exchange));
-
- if (ObjectHelper.isNotEmpty(config.getReplySubject())) {
- final String replySubject = config.getReplySubject();
- builder.replyTo(replySubject);
+ if (config.isJetstreamEnabled() &&
this.connection.getServerInfo().isJetStreamAvailable()) {
+ LOG.info("JetStream is available");
+
+ JetStreamManagement jsm;
+ JetStream js;
+ try {
+ jsm = this.connection.jetStreamManagement();
+ js = jsm.jetStream();
+ if(js == null) {
+ jsm.addStream(StreamConfiguration.builder()
+ .name(config.getJetstreamName())
+ .subjects(config.getTopic())
+ .build());
+ js = jsm.jetStream();
+ }
+ } catch (IOException | JetStreamApiException e) {
+ throw new RuntimeException(e);
+ }
+ PublishAck pa;
+ if (config.isJetstreamAsync()) {
+ CompletableFuture<PublishAck> future =
js.publishAsync(config.getTopic(), body);
+ try {
+ pa = future.get(1, TimeUnit.SECONDS);
+ } catch (InterruptedException | ExecutionException |
TimeoutException e) {
+ throw new RuntimeException(e);
+ }
+ LOG.info("Publish Sequence async: {}", pa.getSeqno());
+ } else {
+ try {
+ pa = js.publish(config.getTopic(), body);
+ } catch (IOException | JetStreamApiException e) {
+ throw new RuntimeException(e);
+ }
+ LOG.info("Publish Sequence synchronously: {}",
pa.getSeqno());
+ }
+ } else {
Review Comment:
@oscerd , do you mean like this:
```
if (!(config.isJetstreamEnabled() &&
this.connection.getServerInfo().isJetStreamAvailable())) {
// Default without Jetstream
} else {
// Jetstream
}
```
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