| /** |
| * 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 java.util.logging.Logger; |
| |
| import org.apache.heron.api.topology.IUpdatable; |
| import org.apache.storm.task.OutputCollector; |
| import org.apache.storm.task.TopologyContext; |
| import org.apache.storm.tuple.Tuple; |
| |
| public class BasicBoltExecutor implements IRichBolt, IUpdatable { |
| private static final Logger LOG = Logger.getLogger(BasicBoltExecutor.class.getName()); |
| |
| private static final long serialVersionUID = 235217339000923019L; |
| private IBasicBolt delegate; |
| private transient BasicOutputCollector collector; |
| |
| public BasicBoltExecutor(IBasicBolt bolt) { |
| this.delegate = bolt; |
| } |
| |
| @Override |
| public void declareOutputFields(OutputFieldsDeclarer declarer) { |
| delegate.declareOutputFields(declarer); |
| } |
| |
| @Override |
| @SuppressWarnings("rawtypes") |
| public void prepare(Map stormConf, |
| TopologyContext context, |
| OutputCollector newCollector) { |
| delegate.prepare(stormConf, context); |
| this.collector = new BasicOutputCollector(newCollector); |
| } |
| |
| @Override |
| public void execute(Tuple input) { |
| this.collector.setContext(input); |
| try { |
| delegate.execute(input, collector); |
| this.collector.getOutputter().ack(input); |
| } catch (FailedException e) { |
| if (e instanceof ReportedFailedException) { |
| this.collector.reportError(e); |
| } |
| this.collector.getOutputter().fail(input); |
| } |
| } |
| |
| @Override |
| public void cleanup() { |
| delegate.cleanup(); |
| } |
| |
| @Override |
| public Map<String, Object> getComponentConfiguration() { |
| return delegate.getComponentConfiguration(); |
| } |
| |
| @Override |
| public void update(org.apache.heron.api.topology.TopologyContext topologyContext) { |
| if (delegate instanceof IUpdatable) { |
| ((IUpdatable) delegate).update(topologyContext); |
| } else { |
| LOG.warning(String.format("Update() event received but can not call update() on delegate " |
| + "because it does not implement %s: %s", IUpdatable.class.getName(), delegate)); |
| } |
| } |
| } |