| // Copyright (C) 2019 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.multisite.broker; |
| |
| import com.gerritforge.gerrit.eventbroker.BrokerApi; |
| import com.gerritforge.gerrit.eventbroker.EventMessage; |
| import com.gerritforge.gerrit.eventbroker.TopicSubscriber; |
| import com.google.gerrit.extensions.registration.DynamicItem; |
| import com.google.gerrit.server.events.Event; |
| import com.google.inject.Inject; |
| import com.googlesource.gerrit.plugins.multisite.InstanceId; |
| import com.googlesource.gerrit.plugins.multisite.MessageLogger; |
| import com.googlesource.gerrit.plugins.multisite.MessageLogger.Direction; |
| import com.googlesource.gerrit.plugins.multisite.forwarder.Context; |
| import java.util.Set; |
| import java.util.UUID; |
| import java.util.function.Consumer; |
| |
| public class BrokerApiWrapper implements BrokerApi { |
| private final DynamicItem<BrokerApi> apiDelegate; |
| private final BrokerMetrics metrics; |
| private final MessageLogger msgLog; |
| private final UUID instanceId; |
| |
| @Inject |
| public BrokerApiWrapper( |
| DynamicItem<BrokerApi> apiDelegate, |
| BrokerMetrics metrics, |
| MessageLogger msgLog, |
| @InstanceId UUID instanceId) { |
| this.apiDelegate = apiDelegate; |
| this.metrics = metrics; |
| this.msgLog = msgLog; |
| this.instanceId = instanceId; |
| } |
| |
| public boolean send(String topic, Event event) { |
| return send(topic, apiDelegate.get().newMessage(instanceId, event)); |
| } |
| |
| @Override |
| public boolean send(String topic, EventMessage message) { |
| if (Context.isForwardedEvent()) { |
| return true; |
| } |
| boolean succeeded = false; |
| try { |
| succeeded = apiDelegate.get().send(topic, message); |
| } finally { |
| if (succeeded) { |
| msgLog.log(Direction.PUBLISH, topic, message); |
| metrics.incrementBrokerPublishedMessage(); |
| } else { |
| metrics.incrementBrokerFailedToPublishMessage(); |
| } |
| } |
| return succeeded; |
| } |
| |
| @Override |
| public void receiveAsync(String topic, Consumer<EventMessage> messageConsumer) { |
| apiDelegate.get().receiveAsync(topic, messageConsumer); |
| } |
| |
| @Override |
| public void disconnect() { |
| apiDelegate.get().disconnect(); |
| } |
| |
| @Override |
| public Set<TopicSubscriber> topicSubscribers() { |
| return apiDelegate.get().topicSubscribers(); |
| } |
| |
| @Override |
| public void replayAllEvents(String topic) { |
| apiDelegate.get().replayAllEvents(topic); |
| } |
| } |