/*
* 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.flink.storm.util;
import org.apache.storm.task.OutputCollector;
import org.apache.storm.task.TopologyContext;
import org.apache.storm.topology.IRichBolt;
import org.apache.storm.topology.OutputFieldsDeclarer;
import org.apache.storm.tuple.Fields;
import org.apache.storm.tuple.Tuple;
import org.apache.storm.tuple.Values;
import java.util.Map;
public class TestDummyBolt implements IRichBolt {
private static final long serialVersionUID = 6893611247443121322L;
public final static String shuffleStreamId = "shuffleStream";
public final static String groupingStreamId = "groupingStream";
private boolean emit = true;
@SuppressWarnings("rawtypes")
public Map config;
private TopologyContext context;
private OutputCollector collector;
@SuppressWarnings("rawtypes")
@Override
public void prepare(Map stormConf, TopologyContext context, OutputCollector collector) {
this.config = stormConf;
this.context = context;
this.collector = collector;
}
@Override
public void execute(Tuple input) {
if (this.context.getThisTaskIndex() == 0) {
this.collector.emit(shuffleStreamId, input.getValues());
}
if (this.emit) {
this.collector.emit(groupingStreamId, new Values("bolt", this.context));
this.emit = false;
}
}
@Override
public void cleanup() {}
@Override
public void declareOutputFields(OutputFieldsDeclarer declarer) {
declarer.declareStream(shuffleStreamId, new Fields("data"));
declarer.declareStream(groupingStreamId, new Fields("id", "data"));
}
@Override
public Map<String, Object> getComponentConfiguration() {
return null;
}
}