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;

/**
 * Created by 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;
    }
}