| // Copyright (C) 2013 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.rabbitmq; |
| |
| import com.google.gerrit.common.ChangeListener; |
| import com.google.gerrit.extensions.events.LifecycleListener; |
| import com.google.gerrit.server.events.ChangeEvent; |
| import com.google.gson.Gson; |
| import com.google.inject.Inject; |
| import com.google.inject.Singleton; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Timer; |
| import java.util.TimerTask; |
| |
| @Singleton |
| public class RabbitMQManager implements ChangeListener, LifecycleListener { |
| |
| private static final Logger LOGGER = LoggerFactory.getLogger(RabbitMQManager.class); |
| private final static int MONITOR_FIRSTTIME_DELAY = 15000; |
| private final Properties properties; |
| private final AMQPSession session; |
| private final Gson gson = new Gson(); |
| private final Timer monitorTimer = new Timer(); |
| |
| @Inject |
| public RabbitMQManager(Properties properties, AMQPSession session) { |
| this.properties = properties; |
| this.session = session; |
| } |
| |
| @Override |
| public void start() { |
| session.connect(); |
| monitorTimer.schedule(new TimerTask() { |
| @Override |
| public void run() { |
| if (!session.isOpen()) { |
| LOGGER.info("#start: try to reconnect"); |
| session.connect(); |
| } |
| } |
| }, MONITOR_FIRSTTIME_DELAY, properties.getInt(Keys.MONITOR_INTERVAL)); |
| } |
| |
| @Override |
| public void stop() { |
| monitorTimer.cancel(); |
| session.disconnect(); |
| } |
| |
| @Override |
| public void onChangeEvent(ChangeEvent event) { |
| session.publishMessage(gson.toJson(event)); |
| } |
| |
| } |