/**
* 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 com.jstorm.example.unittests.sequence;
import backtype.storm.task.TopologyContext;
import backtype.storm.topology.BasicOutputCollector;
import backtype.storm.topology.IBasicBolt;
import backtype.storm.topology.OutputFieldsDeclarer;
import backtype.storm.tuple.Fields;
import backtype.storm.tuple.Tuple;
import backtype.storm.tuple.Values;
import com.alibaba.jstorm.common.metric.AsmCounter;
import com.alibaba.jstorm.metric.MetricClient;
import com.alipay.dw.jstorm.example.sequence.SequenceTopologyDef;
import com.alipay.dw.jstorm.example.sequence.bean.Pair;
import com.alipay.dw.jstorm.example.sequence.bean.TradeCustomer;
import java.util.Map;
/**
* @author binyang.dby on 2016/7/8.
*/
public class SequenceTestSplitRecord implements IBasicBolt
{
private MetricClient metricClient;
private AsmCounter emitCounter;
@Override
public void prepare(Map stormConf, TopologyContext context) {
metricClient = new MetricClient(context);
emitCounter = metricClient.registerCounter(SequenceTestMetricsDef.METRIC_SPLIT_EMIT);
}
@Override
public void execute(Tuple input, BasicOutputCollector collector) {
Long tupleId = input.getLong(0);
Object object = input.getValue(1);
if (object instanceof TradeCustomer) {
TradeCustomer tradeCustomer = (TradeCustomer) object;
Pair trade = tradeCustomer.getTrade();
Pair customer = tradeCustomer.getCustomer();
collector.emit(SequenceTopologyDef.TRADE_STREAM_ID, new Values(tupleId, trade));
collector.emit(SequenceTopologyDef.CUSTOMER_STREAM_ID, new Values(tupleId, customer));
emitCounter.update(2);
}
}
@Override
public void cleanup() {
}
@Override
public void declareOutputFields(OutputFieldsDeclarer declarer) {
declarer.declareStream(SequenceTopologyDef.TRADE_STREAM_ID, new Fields("ID", "TRADE"));
declarer.declareStream(SequenceTopologyDef.CUSTOMER_STREAM_ID, new Fields("ID", "CUSTOMER"));
}
@Override
public Map<String, Object> getComponentConfiguration() {
return null;
}
}