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.batch;
  
  import backtype.storm.task.TopologyContext;
  import backtype.storm.topology.BasicOutputCollector;
  import backtype.storm.topology.FailedException;
  import backtype.storm.topology.IBasicBolt;
  import backtype.storm.topology.OutputFieldsDeclarer;
  import backtype.storm.tuple.Fields;
  import backtype.storm.tuple.Tuple;
  import com.alibaba.jstorm.batch.BatchId;
  import com.alibaba.jstorm.batch.ICommitter;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.util.Map;
  
  /**
   * @author binyang.dby on 2016/7/20.
   */
  public class SimpleBatchTestBolt implements IBasicBolt, ICommitter
  {
      private static final Logger LOG = LoggerFactory.getLogger(SimpleBatchTestBolt.class);
      private BatchId currentBatchId;
  
      @Override
      public void prepare(Map map, TopologyContext topologyContext) {
  
      }
  
      @Override
      public void execute(Tuple tuple, BasicOutputCollector basicOutputCollector) {
          BatchId id = (BatchId) tuple.getValue(0);
          Long value = tuple.getLong(1);
          System.out.println("SimpleBatchTestBolt #execute id = " + id + " value = " + value);
      }
  
      @Override
      public void cleanup() {
  
      }
  
      @Override
      public byte[] commit(BatchId batchId) throws FailedException {
          System.out.println("SimpleBatchTestBolt #commit");
  //        LOG.info("$$$$Receive BatchId " + batchId);
  //        if (currentBatchId == null) {
  //            currentBatchId = batchId;
  //        } else if (currentBatchId.getId() >= batchId.getId()) {
  //            LOG.info("Current BatchId is " + currentBatchId + ", receive:" + batchId);
  //            throw new RuntimeException();
  //        }
  //        currentBatchId = batchId;
  
          //AtomicLong counter = (AtomicLong) counters.remove(batchId);
  //        if (counter == null) {
  //            counter = new AtomicLong(0);
  //        }
  
  //        LOG.info("Flush " + id + "," + counter);
  //        return Utils.serialize(batchId);
          return null;
      }
  
      @Override
      public void revert(BatchId batchId, byte[] bytes) {
          System.out.println("SimpleBatchTestBolt #revert");
      }
  
      @Override
      public void declareOutputFields(OutputFieldsDeclarer outputFieldsDeclarer) {
          outputFieldsDeclarer.declare(new Fields("BatchId", "counters"));
      }
  
      @Override
      public Map<String, Object> getComponentConfiguration() {
          return null;
      }
  }
  