| /** |
| * 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 org.apache.storm.task.OutputCollector; |
| import org.apache.storm.task.TopologyContext; |
| import org.apache.storm.topology.IRichBolt; |
| import org.apache.storm.topology.OutputFieldsDeclarer; |
| import org.apache.storm.tuple.Tuple; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.UUID; |
| |
| |
| public class TupleCaptureBolt implements IRichBolt { |
| public static final transient Map<String, Map<String, List<FixedTuple>>> emitted_tuples = new HashMap<>(); |
| |
| private String _name; |
| private OutputCollector _collector; |
| |
| public TupleCaptureBolt() { |
| _name = UUID.randomUUID().toString(); |
| emitted_tuples.put(_name, new HashMap<String, List<FixedTuple>>()); |
| } |
| |
| public void prepare(Map stormConf, TopologyContext context, OutputCollector collector) { |
| _collector = collector; |
| } |
| |
| public void execute(Tuple input) { |
| String component = input.getSourceComponent(); |
| Map<String, List<FixedTuple>> captured = emitted_tuples.get(_name); |
| if(!captured.containsKey(component)) { |
| captured.put(component, new ArrayList<FixedTuple>()); |
| } |
| captured.get(component).add(new FixedTuple(input.getSourceStreamId(), input.getValues())); |
| _collector.ack(input); |
| } |
| |
| public Map<String, List<FixedTuple>> getResults() { |
| return emitted_tuples.get(_name); |
| } |
| |
| public void cleanup() { |
| } |
| |
| public Map<String, List<FixedTuple>> getAndRemoveResults() { |
| return emitted_tuples.remove(_name); |
| } |
| |
| public Map<String, List<FixedTuple>> getAndClearResults() { |
| Map<String, List<FixedTuple>> ret = new HashMap<>(emitted_tuples.get(_name)); |
| emitted_tuples.get(_name).clear(); |
| return ret; |
| } |
| |
| @Override |
| public void declareOutputFields(OutputFieldsDeclarer declarer) { |
| } |
| |
| @Override |
| public Map<String, Object> getComponentConfiguration() { |
| return null; |
| } |
| |
| } |