| /** |
| * 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.topology; |
| |
| import java.util.Map; |
| import org.apache.storm.task.OutputCollector; |
| import org.apache.storm.task.TopologyContext; |
| import org.apache.storm.tuple.Tuple; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class BasicBoltExecutor implements IRichBolt { |
| public static final Logger LOG = LoggerFactory.getLogger(BasicBoltExecutor.class); |
| |
| private IBasicBolt bolt; |
| private transient BasicOutputCollector collector; |
| |
| public BasicBoltExecutor(IBasicBolt bolt) { |
| this.bolt = bolt; |
| } |
| |
| @Override |
| public void declareOutputFields(OutputFieldsDeclarer declarer) { |
| bolt.declareOutputFields(declarer); |
| } |
| |
| |
| @Override |
| public void prepare(Map<String, Object> topoConf, TopologyContext context, OutputCollector collector) { |
| bolt.prepare(topoConf, context); |
| this.collector = new BasicOutputCollector(collector); |
| } |
| |
| @Override |
| public void execute(Tuple input) { |
| collector.setContext(input); |
| try { |
| bolt.execute(input, collector); |
| collector.getOutputter().ack(input); |
| } catch (FailedException e) { |
| if (e instanceof ReportedFailedException) { |
| collector.reportError(e); |
| } |
| collector.getOutputter().fail(input); |
| } |
| } |
| |
| @Override |
| public void cleanup() { |
| bolt.cleanup(); |
| } |
| |
| @Override |
| public Map<String, Object> getComponentConfiguration() { |
| return bolt.getComponentConfiguration(); |
| } |
| } |