| // 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.worker; |
| |
| import com.google.gerrit.server.events.Event; |
| import com.google.gerrit.server.events.EventListener; |
| import com.google.inject.Singleton; |
| |
| import com.googlesource.gerrit.plugins.kafka.message.Publisher; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Set; |
| import java.util.concurrent.CopyOnWriteArraySet; |
| |
| @Singleton |
| public class DefaultEventWorker implements EventListener, EventWorker { |
| private static final Logger log = LoggerFactory |
| .getLogger(DefaultEventWorker.class); |
| private final Set<Publisher> publishers = new CopyOnWriteArraySet<>(); |
| |
| @Override |
| public void addPublisher(Publisher publisher) { |
| publishers.add(publisher); |
| } |
| |
| @Override |
| public void removePublisher(Publisher publisher) { |
| publishers.remove(publisher); |
| } |
| |
| @Override |
| public void clear() { |
| publishers.clear(); |
| } |
| |
| @Override |
| public void onEvent(Event event) { |
| for (Publisher publisher : publishers) { |
| try { |
| publisher.onEvent(event); |
| } catch (Exception e) { |
| log.error("Unable to process event " + e + " through publisher " |
| + publisher, e); |
| } |
| } |
| } |
| } |