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.job;
  
  import alluxio.grpc.LoadJobPOptions;
  import alluxio.job.LoadJobRequest;
  import alluxio.master.file.FileSystemMaster;
  import alluxio.scheduler.job.Job;
  import alluxio.scheduler.job.JobFactory;
  import alluxio.security.User;
  import alluxio.security.authentication.AuthenticatedClientUser;
  
  import java.util.Optional;
  import java.util.OptionalLong;
  import java.util.UUID;
  
  /**
   * Factory for creating {@link LoadJob}s that get file infos from master.
   */
  public class LoadJobFactory implements JobFactory {
  
    private final FileSystemMaster mFsMaster;
    private final LoadJobRequest mRequest;
  
    /**
     * Create factory.
     * @param request load job request
     * @param fsMaster file system master
     */
    public LoadJobFactory(LoadJobRequest request, FileSystemMaster fsMaster) {
      mFsMaster = fsMaster;
      mRequest = request;
    }
  
    @Override
    public Job<?> create() {
      LoadJobPOptions options = mRequest.getOptions();
      String path = mRequest.getPath();
      OptionalLong bandwidth =
          options.hasBandwidth() ? OptionalLong.of(options.getBandwidth()) : OptionalLong.empty();
      boolean partialListing = options.hasPartialListing() && options.getPartialListing();
      boolean verificationEnabled = options.hasVerify() && options.getVerify();
      FileIterable fileIterator = new FileIterable(mFsMaster, path, Optional
          .ofNullable(AuthenticatedClientUser.getOrNull())
          .map(User::getName), partialListing,
          LoadJob.QUALIFIED_FILE_FILTER);
      Optional<String> user = Optional
          .ofNullable(AuthenticatedClientUser.getOrNull())
          .map(User::getName);
      return new LoadJob(path, user, UUID.randomUUID().toString(),
          bandwidth,
          partialListing,
          verificationEnabled, fileIterator);
    }
  }
  
  