| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. The ASF licenses this file 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 |
| * |
| * 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 org.apache.storm.testing; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.UUID; |
| import org.apache.storm.spout.SpoutOutputCollector; |
| import org.apache.storm.task.TopologyContext; |
| import org.apache.storm.topology.OutputFieldsDeclarer; |
| import org.apache.storm.topology.base.BaseRichSpout; |
| import org.apache.storm.tuple.Fields; |
| import org.apache.storm.tuple.Values; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import static org.apache.storm.utils.Utils.get; |
| |
| public class TestEventLogSpout extends BaseRichSpout implements CompletableSpout { |
| private static final Map<String, Integer> acked = new HashMap<String, Integer>(); |
| private static final Map<String, Integer> failed = new HashMap<String, Integer>(); |
| public static Logger LOG = LoggerFactory.getLogger(TestEventLogSpout.class); |
| SpoutOutputCollector _collector; |
| private String uid; |
| private long totalCount; |
| private long eventId = 0; |
| private long myCount; |
| private int source; |
| |
| public TestEventLogSpout(long totalCount) { |
| this.uid = UUID.randomUUID().toString(); |
| |
| synchronized (acked) { |
| acked.put(uid, 0); |
| } |
| synchronized (failed) { |
| failed.put(uid, 0); |
| } |
| |
| this.totalCount = totalCount; |
| } |
| |
| public static int getNumAcked(String stormId) { |
| synchronized (acked) { |
| return get(acked, stormId, 0); |
| } |
| } |
| |
| public static int getNumFailed(String stormId) { |
| synchronized (failed) { |
| return get(failed, stormId, 0); |
| } |
| } |
| |
| @Override |
| public void open(Map<String, Object> conf, TopologyContext context, SpoutOutputCollector collector) { |
| _collector = collector; |
| this.source = context.getThisTaskId(); |
| long taskCount = context.getComponentTasks(context.getThisComponentId()).size(); |
| myCount = totalCount / taskCount; |
| } |
| |
| @Override |
| public void close() { |
| |
| } |
| |
| public void cleanup() { |
| synchronized (acked) { |
| acked.remove(uid); |
| } |
| synchronized (failed) { |
| failed.remove(uid); |
| } |
| } |
| |
| public boolean completed() { |
| |
| int ackedAmt; |
| int failedAmt; |
| |
| synchronized (acked) { |
| ackedAmt = acked.get(uid); |
| } |
| synchronized (failed) { |
| failedAmt = failed.get(uid); |
| } |
| int totalEmitted = ackedAmt + failedAmt; |
| |
| if (totalEmitted >= totalCount) { |
| return true; |
| } |
| return false; |
| } |
| |
| @Override |
| public void nextTuple() { |
| if (eventId < myCount) { |
| eventId++; |
| _collector.emit(new Values(source, eventId), eventId); |
| } |
| } |
| |
| @Override |
| public void ack(Object msgId) { |
| synchronized (acked) { |
| int curr = get(acked, uid, 0); |
| acked.put(uid, curr + 1); |
| } |
| } |
| |
| @Override |
| public void fail(Object msgId) { |
| synchronized (failed) { |
| int curr = get(failed, uid, 0); |
| failed.put(uid, curr + 1); |
| } |
| } |
| |
| @Override |
| public void declareOutputFields(OutputFieldsDeclarer declarer) { |
| declarer.declare(new Fields("source", "eventId")); |
| } |
| |
| @Override |
| public boolean isExhausted() { |
| return completed(); |
| } |
| } |