org.apache.pulsar.functions.api.examples.InitializableFunction Maven / Gradle / Ivy
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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
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package org.apache.pulsar.functions.api.examples;
import lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
import org.apache.pulsar.functions.api.Context;
@Slf4j
public class InitializableFunction extends TypedMessageBuilderPublish {
private boolean initialized = false;
@Override
public void initialize(Context context) throws Exception {
log.info("function initialize start");
initialized = true;
}
@Override
public void close() throws Exception {
log.info("function close start");
initialized = false;
}
@SneakyThrows
@Override
public Void process(String input, Context context) {
if (!initialized) {
throw new Exception("function not initialized");
}
return super.process(input, context);
}
}