content: /**
   * 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 backtype.storm.testing;
  
  import backtype.storm.task.OutputCollector;
  import backtype.storm.task.TopologyContext;
  import backtype.storm.topology.IRichBolt;
  import backtype.storm.topology.OutputFieldsDeclarer;
  import backtype.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 transient Map<String, Map<String, List<FixedTuple>>> emitted_tuples = new HashMap<String, Map<String, List<FixedTuple>>>();
  
      private String _name;
      transient 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<String, List<FixedTuple>>(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;
      }
  
  }
  