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 org.apache.kafka.trogdor.workload;
  
  import org.apache.kafka.trogdor.task.TaskController;
  import org.apache.kafka.trogdor.task.TaskSpec;
  import org.apache.kafka.trogdor.task.TaskWorker;
  
  import com.fasterxml.jackson.annotation.JsonCreator;
  import com.fasterxml.jackson.annotation.JsonProperty;
  
  import java.util.Collections;
  import java.util.Map;
  
  /**
   * The specification for a workload that sends messages to a broker and then
   * reads them back.
   */
  public class RoundTripWorkloadSpec extends TaskSpec {
      private final String clientNode;
      private final String bootstrapServers;
      private final int targetMessagesPerSec;
      private final PayloadGenerator valueGenerator;
      private final TopicsSpec activeTopics;
      private final long maxMessages;
      private final Map<String, String> commonClientConf;
      private final Map<String, String> producerConf;
      private final Map<String, String> consumerConf;
      private final Map<String, String> adminClientConf;
  
      @JsonCreator
      public RoundTripWorkloadSpec(@JsonProperty("startMs") long startMs,
               @JsonProperty("durationMs") long durationMs,
               @JsonProperty("clientNode") String clientNode,
               @JsonProperty("bootstrapServers") String bootstrapServers,
               @JsonProperty("commonClientConf") Map<String, String> commonClientConf,
               @JsonProperty("adminClientConf") Map<String, String> adminClientConf,
               @JsonProperty("consumerConf") Map<String, String> consumerConf,
               @JsonProperty("producerConf") Map<String, String> producerConf,
               @JsonProperty("targetMessagesPerSec") int targetMessagesPerSec,
               @JsonProperty("valueGenerator") PayloadGenerator valueGenerator,
               @JsonProperty("activeTopics") TopicsSpec activeTopics,
               @JsonProperty("maxMessages") long maxMessages) {
          super(startMs, durationMs);
          this.clientNode = clientNode == null ? "" : clientNode;
          this.bootstrapServers = bootstrapServers == null ? "" : bootstrapServers;
          this.targetMessagesPerSec = targetMessagesPerSec;
          this.valueGenerator = valueGenerator == null ?
              new UniformRandomPayloadGenerator(32, 123, 10) : valueGenerator;
          this.activeTopics = activeTopics == null ?
              TopicsSpec.EMPTY : activeTopics.immutableCopy();
          this.maxMessages = maxMessages;
          this.commonClientConf = configOrEmptyMap(commonClientConf);
          this.adminClientConf = configOrEmptyMap(adminClientConf);
          this.producerConf = configOrEmptyMap(producerConf);
          this.consumerConf = configOrEmptyMap(consumerConf);
      }
  
      @JsonProperty
      public String clientNode() {
          return clientNode;
      }
  
      @JsonProperty
      public String bootstrapServers() {
          return bootstrapServers;
      }
  
      @JsonProperty
      public int targetMessagesPerSec() {
          return targetMessagesPerSec;
      }
  
      @JsonProperty
      public TopicsSpec activeTopics() {
          return activeTopics;
      }
  
      @JsonProperty
      public PayloadGenerator valueGenerator() {
          return valueGenerator;
      }
  
      @JsonProperty
      public long maxMessages() {
          return maxMessages;
      }
  
      @JsonProperty
      public Map<String, String> commonClientConf() {
          return commonClientConf;
      }
  
      @JsonProperty
      public Map<String, String> adminClientConf() {
          return adminClientConf;
      }
  
      @JsonProperty
      public Map<String, String> producerConf() {
          return producerConf;
      }
  
      @JsonProperty
      public Map<String, String> consumerConf() {
          return consumerConf;
      }
  
      @Override
      public TaskController newController(String id) {
          return topology -> Collections.singleton(clientNode);
      }
  
      @Override
      public TaskWorker newTaskWorker(String id) {
          return new RoundTripWorker(id, this);
      }
  }
  