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.task;
  
  import org.apache.kafka.common.internals.KafkaFutureImpl;
  import org.apache.kafka.trogdor.common.Platform;
  
  import com.fasterxml.jackson.databind.node.TextNode;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class NoOpTaskWorker implements TaskWorker {
      private static final Logger log = LoggerFactory.getLogger(NoOpTaskWorker.class);
  
      private final String id;
  
      private WorkerStatusTracker status;
  
      public NoOpTaskWorker(String id) {
          this.id = id;
      }
  
      @Override
      public void start(Platform platform, WorkerStatusTracker status,
                        KafkaFutureImpl<String> errorFuture) throws Exception {
          log.info("{}: Activating NoOpTask.", id);
          this.status = status;
          this.status.update(new TextNode("active"));
      }
  
      @Override
      public void stop(Platform platform) throws Exception {
          log.info("{}: Deactivating NoOpTask.", id);
          this.status.update(new TextNode("done"));
      }
  }
  