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.jstorm.example.unittests.sequence;
  
  import backtype.storm.task.OutputCollector;
  import backtype.storm.task.TopologyContext;
  import backtype.storm.topology.IRichBolt;
  import backtype.storm.topology.OutputFieldsDeclarer;
  import backtype.storm.tuple.Tuple;
  import com.alibaba.jstorm.common.metric.AsmCounter;
  import com.alibaba.jstorm.metric.MetricClient;
  import com.alipay.dw.jstorm.example.sequence.bean.TradeCustomer;
  
  import java.util.Map;
  
  /**
   * @author binyang.dby on 2016/7/8.
   */
  public class SequenceTestTotalCount implements IRichBolt
  {
      private MetricClient metricClient;
      private AsmCounter executeCounter;
      private AsmCounter tradeSumCounter;
      private AsmCounter customerSumCounter;
      private OutputCollector collector;
  
      @Override
      public void prepare(Map stormConf, TopologyContext context, OutputCollector collector) {
          this.collector = collector;
          metricClient = new MetricClient(context);
          executeCounter = metricClient.registerCounter(SequenceTestMetricsDef.METRIC_TOTAL_EXECUTE);
          tradeSumCounter = metricClient.registerCounter(SequenceTestMetricsDef.METRIC_TOTAL_TRADE_SUM);
          customerSumCounter = metricClient.registerCounter(SequenceTestMetricsDef.METRIC_TOTAL_CUSTOMER_SUM);
      }
  
      @Override
      public void execute(Tuple input) {
          executeCounter.inc();
  
          TradeCustomer tradeCustomer;
          try {
              tradeCustomer = (TradeCustomer) input.getValue(1);
          } catch (Exception e) {
              throw new RuntimeException(e);
          }
  
          tradeSumCounter.update(tradeCustomer.getTrade().getValue());
          customerSumCounter.update(tradeCustomer.getCustomer().getValue());
  
          collector.ack(input);
      }
  
      @Override
      public void cleanup() {
  
      }
  
      @Override
      public void declareOutputFields(OutputFieldsDeclarer declarer) {
  
      }
  
      @Override
      public Map<String, Object> getComponentConfiguration() {
          return null;
      }
  }
  