content: /**
   * 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.alipay.dw.jstorm.example.sequence.bolt;
  
  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.starter.utils.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;
  import java.util.Map;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class SplitRecord implements IBasicBolt {
      private static final long serialVersionUID = 3950023300481479514L;
  
      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() {
          return null;
      }
  }
  