code: /*
   * 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.intel.hibench.stormbench.trident;
  
  import com.intel.hibench.stormbench.spout.KafkaSpoutFactory;
  import com.intel.hibench.stormbench.topologies.SingleTridentSpoutTops;
  import com.intel.hibench.stormbench.trident.functions.Identity;
  import com.intel.hibench.stormbench.util.StormBenchConfig;
  
  import org.apache.storm.trident.TridentTopology;
  import org.apache.storm.trident.spout.ITridentDataSource;
  
  public class TridentIdentity extends SingleTridentSpoutTops {
  
    public TridentIdentity(StormBenchConfig config) {
      super(config);
    }
  
    @Override
    public TridentTopology createTopology() {
      ITridentDataSource source = KafkaSpoutFactory.getTridentSpout(config, true);
  
      TridentTopology topology = new TridentTopology();
  
      topology.newStream("kafka", source)
          .map(new Identity(config)
          )
          .parallelismHint(config.boltThreads);
      return topology;
    }
  
  }
  