jerrypeng commented on a change in pull request #4093: [WIP][issue#4042]
improve java functions API
URL: https://github.com/apache/pulsar/pull/4093#discussion_r277795724
##########
File path:
pulsar-functions/java-examples/src/main/java/org/apache/pulsar/functions/api/examples/PublishFunction.java
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@@ -30,7 +32,12 @@
public Void process(String input, Context context) {
String publishTopic = (String)
context.getUserConfigValueOrDefault("publish-topic", "publishtopic");
String output = String.format("%s!", input);
- context.publish(publishTopic, output);
+ try {
+ TypedMessageBuilder<String> msgBuilder =
context.newOutputMessage(publishTopic, null);
+ msgBuilder.value(output).sendAsync();
+ } catch (PulsarClientException e) {
+ e.printStackTrace();
Review comment:
can we use a logger to log this
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