content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.master.file.contexts;
  
  import alluxio.grpc.FileSystemHeartbeatPOptions;
  
  import com.google.common.base.MoreObjects;
  
  /**
   * Used to merge and wrap {@link FileSystemHeartbeatPOptions}.
   */
  public class WorkerHeartbeatContext
      extends OperationContext<FileSystemHeartbeatPOptions.Builder, WorkerHeartbeatContext> {
    // Prevent instantiation
    private WorkerHeartbeatContext() {
      super(FileSystemHeartbeatPOptions.newBuilder());
    }
  
    /**
     * Creates context with given option data.
     *
     * @param optionsBuilder options builder
     */
    private WorkerHeartbeatContext(FileSystemHeartbeatPOptions.Builder optionsBuilder) {
      super(optionsBuilder);
    }
  
    /**
     * Merges and embeds the given {@link FileSystemHeartbeatPOptions} with the corresponding master
     * options.
     *
     * @param optionsBuilder Builder for proto {@link FileSystemHeartbeatPOptions} to merge with
     *        defaults
     * @return the instance of {@link WorkerHeartbeatContext} with default values for master
     */
    public static WorkerHeartbeatContext create(
        FileSystemHeartbeatPOptions.Builder optionsBuilder) {
      return new WorkerHeartbeatContext(optionsBuilder);
    }
  
    /**
     * @return the instance of {@link WorkerHeartbeatContext} with default values for master
     */
    public static WorkerHeartbeatContext defaults() {
      return new WorkerHeartbeatContext();
    }
  
    @Override
    public String toString() {
      return MoreObjects.toStringHelper(this).add("ProtoOptions", getOptions().build()).toString();
    }
  }
  