| /** |
| * 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.topology.BasicOutputCollector; |
| import backtype.storm.topology.OutputFieldsDeclarer; |
| import backtype.storm.topology.base.BaseBasicBolt; |
| import backtype.storm.tuple.Fields; |
| import backtype.storm.tuple.Tuple; |
| import backtype.storm.tuple.Values; |
| |
| |
| public class BatchRepeatA extends BaseBasicBolt { |
| |
| @Override |
| public void execute(Tuple input, BasicOutputCollector collector) { |
| Object id = input.getValue(0); |
| String word = input.getString(1); |
| for(int i=0; i<word.length(); i++) { |
| if(word.charAt(i) == 'a') { |
| collector.emit("multi", new Values(id, word.substring(0, i))); |
| } |
| } |
| collector.emit("single", new Values(id, word)); |
| } |
| |
| @Override |
| public void declareOutputFields(OutputFieldsDeclarer declarer) { |
| declarer.declareStream("multi", new Fields("id", "word")); |
| declarer.declareStream("single", new Fields("id", "word")); |
| } |
| |
| } |