org.apache.pulsar.functions.api.examples.LoggingFunction Maven / Gradle / Ivy
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package org.apache.pulsar.functions.api.examples;
import org.apache.pulsar.functions.api.Context;
import org.apache.pulsar.functions.api.Function;
/**
* A function that demonstrates how to redirect logging to a topic.
* In this particular example, for every input string, the function
* does some logging. If --logTopic topic is specified, these log statements
* end up in that specified pulsar topic.
*/
public class LoggingFunction implements Function {
@Override
public String process(String input, Context context) {
context.getLogger().info(input + "-log");
return String.format("%s!", input);
}
}