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// Copyright (C) 2016 The Android Open Source Project
//
// Licensed 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
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.googlesource.gerrit.plugins.kafka.publish;
import com.google.gerrit.server.events.Event;
import com.google.gerrit.server.events.EventListener;
import com.google.gson.Gson;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import com.googlesource.gerrit.plugins.kafka.session.KafkaSession;
@Singleton
public class KafkaPublisher implements EventListener {
private final KafkaSession session;
private final Gson gson;
@Inject
public KafkaPublisher(
KafkaSession kafkaSession,
Gson gson) {
this.session = kafkaSession;
this.gson = gson;
}
public void start() {
if (!session.isOpen()) {
session.connect();
}
}
public void stop() {
session.disconnect();
}
@Override
public void onEvent(Event event) {
if (session.isOpen()) {
session.publish(gson.toJson(event));
}
}
}