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.conf.Configuration;
  import alluxio.grpc.LoadMetadataPOptions;
  import alluxio.underfs.UfsStatus;
  import alluxio.util.FileSystemOptionsUtils;
  
  import com.google.common.base.MoreObjects;
  
  import javax.annotation.Nullable;
  
  /**
   * Used to merge and wrap {@link LoadMetadataPOptions}.
   */
  public class LoadMetadataContext
      extends OperationContext<LoadMetadataPOptions.Builder, LoadMetadataContext> {
  
    private UfsStatus mUfsStatus;
  
    /**
     * Creates context with given option data.
     *
     * @param optionsBuilder options builder
     */
    private LoadMetadataContext(LoadMetadataPOptions.Builder optionsBuilder) {
      super(optionsBuilder);
    }
  
    /**
     * @param optionsBuilder Builder for proto {@link LoadMetadataPOptions}
     * @return the instance of {@link LoadMetadataContext} with the given options
     */
    public static LoadMetadataContext create(LoadMetadataPOptions.Builder optionsBuilder) {
      return new LoadMetadataContext(optionsBuilder);
    }
  
    /**
     * Merges and embeds the given {@link LoadMetadataPOptions} with the corresponding master options.
     *
     * @param optionsBuilder Builder for proto {@link LoadMetadataPOptions} to embed
     * @return the instance of {@link LoadMetadataContext} with default values for master
     */
    public static LoadMetadataContext mergeFrom(LoadMetadataPOptions.Builder optionsBuilder) {
      LoadMetadataPOptions masterOptions =
          FileSystemOptionsUtils.loadMetadataDefaults(Configuration.global());
      LoadMetadataPOptions.Builder mergedOptionsBuilder =
          masterOptions.toBuilder().mergeFrom(optionsBuilder.build());
      return create(mergedOptionsBuilder);
    }
  
    /**
     * @return the instance of {@link LoadMetadataContext} with default values for master
     */
    public static LoadMetadataContext defaults() {
      return create(FileSystemOptionsUtils
          .loadMetadataDefaults(Configuration.global()).toBuilder());
    }
  
    /**
     * @return the Ufs status
     */
    @Nullable
    public UfsStatus getUfsStatus() {
      return mUfsStatus;
    }
  
    /**
     * Sets {@link UfsStatus} for the directory.
     *
     * @param ufsStatus Ufs status to set
     * @return the updated context instance
     */
    public LoadMetadataContext setUfsStatus(UfsStatus ufsStatus) {
      mUfsStatus = ufsStatus;
      return this;
    }
  
    @Override
    public String toString() {
      return MoreObjects.toStringHelper(this)
          .add("ProtoOptions", getOptions().build())
          .add("ufsStatus", mUfsStatus)
          .toString();
    }
  }
  