| // Copyright 2016 Twitter. All rights reserved. |
| // |
| // Licensed 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 com.twitter.heron.integration_test.topology.serialization; |
| |
| import java.util.logging.Logger; |
| |
| import com.twitter.heron.api.bolt.BaseBasicBolt; |
| import com.twitter.heron.api.bolt.BasicOutputCollector; |
| import com.twitter.heron.api.topology.OutputFieldsDeclarer; |
| import com.twitter.heron.api.tuple.Fields; |
| import com.twitter.heron.api.tuple.Tuple; |
| |
| /** |
| * A bolt that checks deserialization works fine |
| */ |
| public class CustomCheckBolt extends BaseBasicBolt { |
| private static final Logger LOG = Logger.getLogger(CustomCheckBolt.class.getName()); |
| private static final long serialVersionUID = 3404960992657778759L; |
| private int nItems; |
| private CustomObject[] inputObjects; |
| |
| public CustomCheckBolt(CustomObject[] inputObjects) { |
| this.nItems = 0; |
| this.inputObjects = inputObjects; |
| } |
| |
| @Override |
| public void execute(Tuple input, BasicOutputCollector collector) { |
| LOG.info("Received input tuple: " + input.getValueByField("custom").toString()); |
| if (input.getValueByField("custom") |
| .equals(inputObjects[(nItems++) % inputObjects.length])) { |
| collector.emit(input.getValues()); |
| } |
| } |
| |
| @Override |
| public void declareOutputFields(OutputFieldsDeclarer declarer) { |
| declarer.declare(new Fields("custom")); |
| } |
| } |