/*
* 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.split.operators;
import java.util.Map;
import org.apache.storm.task.OutputCollector;
import org.apache.storm.task.TopologyContext;
import org.apache.storm.topology.OutputFieldsDeclarer;
import org.apache.storm.topology.base.BaseRichBolt;
import org.apache.storm.tuple.Fields;
import org.apache.storm.tuple.Tuple;
import org.apache.storm.tuple.Values;
public class VerifyAndEnrichBolt extends BaseRichBolt {
private static final long serialVersionUID = -7277395570966328721L;
private final boolean evenOrOdd; // true: even -- false: odd
private final String token;
private OutputCollector collector;
public static boolean errorOccured = false;
public VerifyAndEnrichBolt(boolean evenOrOdd) {
this.evenOrOdd = evenOrOdd;
this.token = evenOrOdd ? "even" : "odd";
}
@SuppressWarnings("rawtypes")
@Override
public void prepare(Map stormConf, TopologyContext context, OutputCollector collector) {
this.collector = collector;
}
@Override
public void execute(Tuple input) {
if ((input.getInteger(0) % 2 == 0) != this.evenOrOdd) {
errorOccured = true;
}
this.collector.emit(new Values(this.token, input.getInteger(0)));
}
@Override
public void declareOutputFields(OutputFieldsDeclarer declarer) {
declarer.declare(new Fields("evenOrOdd", "number"));
}
}