package com.alipay.dw.jstorm.example.sequence.bolt;
import java.util.Map;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
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.alipay.dw.jstorm.example.TpsCounter;
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;
public class SplitRecord implements IBasicBolt {
public static Logger LOG = LoggerFactory.getLogger(SplitRecord.class);
private TpsCounter tpsCounter;
public void prepare(Map conf, TopologyContext context) {
tpsCounter = new TpsCounter(context.getThisComponentId() +
":" + context.getThisTaskId());
LOG.info("Successfully do prepare");
}
public void execute(Tuple tuple, BasicOutputCollector collector) {
tpsCounter.count();
Long tupleId = tuple.getLong(0);
Object obj = tuple.getValue(1);
if (obj instanceof TradeCustomer) {
TradeCustomer tradeCustomer = (TradeCustomer)obj;
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));
}else if (obj != null){
LOG.info("Unknow type " + obj.getClass().getName());
}else {
LOG.info("Nullpointer " );
}
}
public void cleanup() {
tpsCounter.cleanup();
LOG.info("Finish cleanup");
}
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"));
}
public Map<String, Object> getComponentConfiguration() {
// TODO Auto-generated method stub
return null;
}
}