| /** |
| * 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.spout.SpoutOutputCollector; |
| import backtype.storm.task.TopologyContext; |
| import backtype.storm.topology.IRichSpout; |
| import backtype.storm.topology.OutputFieldsDeclarer; |
| import backtype.storm.tuple.Fields; |
| import backtype.storm.utils.Utils; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.UUID; |
| import static backtype.storm.utils.Utils.get; |
| |
| public class FixedTupleSpout implements IRichSpout { |
| private static final Map<String, Integer> acked = new HashMap<String, Integer>(); |
| private static final Map<String, Integer> failed = new HashMap<String, Integer>(); |
| |
| 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); |
| } |
| } |
| |
| public static void clear(String stormId) { |
| acked.remove(stormId); |
| failed.remove(stormId); |
| } |
| |
| private List<FixedTuple> _tuples; |
| private SpoutOutputCollector _collector; |
| |
| private TopologyContext _context; |
| private List<FixedTuple> _serveTuples; |
| private Map<String, FixedTuple> _pending; |
| |
| private String _id; |
| private String _fieldName; |
| |
| public FixedTupleSpout(List tuples) { |
| this(tuples, null); |
| } |
| |
| public FixedTupleSpout(List tuples, String fieldName) { |
| _id = UUID.randomUUID().toString(); |
| synchronized(acked) { |
| acked.put(_id, 0); |
| } |
| synchronized(failed) { |
| failed.put(_id, 0); |
| } |
| _tuples = new ArrayList<FixedTuple>(); |
| for(Object o: tuples) { |
| FixedTuple ft; |
| if(o instanceof FixedTuple) { |
| ft = (FixedTuple) o; |
| } else { |
| ft = new FixedTuple((List) o); |
| } |
| _tuples.add(ft); |
| } |
| _fieldName = fieldName; |
| } |
| |
| public List<FixedTuple> getSourceTuples() { |
| return _tuples; |
| } |
| |
| public int getCompleted() { |
| int ackedAmt; |
| int failedAmt; |
| |
| synchronized(acked) { |
| ackedAmt = acked.get(_id); |
| } |
| synchronized(failed) { |
| failedAmt = failed.get(_id); |
| } |
| return ackedAmt + failedAmt; |
| } |
| |
| public void cleanup() { |
| synchronized(acked) { |
| acked.remove(_id); |
| } |
| synchronized(failed) { |
| failed.remove(_id); |
| } |
| } |
| |
| public void open(Map conf, TopologyContext context, SpoutOutputCollector collector) { |
| _context = context; |
| List<Integer> tasks = context.getComponentTasks(context.getThisComponentId()); |
| int startIndex; |
| for(startIndex=0; startIndex<tasks.size(); startIndex++) { |
| if(tasks.get(startIndex)==context.getThisTaskId()) { |
| break; |
| } |
| } |
| _collector = collector; |
| _pending = new HashMap<String, FixedTuple>(); |
| _serveTuples = new ArrayList<FixedTuple>(); |
| for(int i=startIndex; i<_tuples.size(); i+=tasks.size()) { |
| _serveTuples.add(_tuples.get(i)); |
| } |
| } |
| |
| public void close() { |
| } |
| |
| public void nextTuple() { |
| if(_serveTuples.size()>0) { |
| FixedTuple ft = _serveTuples.remove(0); |
| String id = UUID.randomUUID().toString(); |
| _pending.put(id, ft); |
| _collector.emit(ft.stream, ft.values, id); |
| } else { |
| Utils.sleep(100); |
| } |
| } |
| |
| public void ack(Object msgId) { |
| synchronized(acked) { |
| int curr = get(acked, _id, 0); |
| acked.put(_id, curr+1); |
| } |
| } |
| |
| public void fail(Object msgId) { |
| synchronized(failed) { |
| int curr = get(failed, _id, 0); |
| failed.put(_id, curr+1); |
| } |
| } |
| |
| @Override |
| public void activate() { |
| } |
| |
| @Override |
| public void deactivate() { |
| } |
| |
| @Override |
| public void declareOutputFields(OutputFieldsDeclarer declarer) { |
| if (_fieldName != null) { |
| declarer.declare(new Fields(_fieldName)); |
| } |
| } |
| |
| @Override |
| public Map<String, Object> getComponentConfiguration() { |
| return null; |
| } |
| } |