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.master.file.FileSystemMaster;
  import alluxio.scheduler.job.Job;
  import alluxio.scheduler.job.JobFactory;
  import alluxio.scheduler.job.JobState;
  
  import java.util.Optional;
  import java.util.OptionalLong;
  
  /**
   * Factory for creating {@link LoadJob}s from journal entries.
   */
  public class JournalLoadJobFactory implements JobFactory {
  
    private final FileSystemMaster mFsMaster;
  
    private final alluxio.proto.journal.Job.LoadJobEntry mJobEntry;
  
    /**
     * Create factory.
     * @param journalEntry journal entry
     * @param fsMaster file system master
     */
    public JournalLoadJobFactory(alluxio.proto.journal.Job.LoadJobEntry journalEntry,
         FileSystemMaster fsMaster) {
      mFsMaster = fsMaster;
      mJobEntry = journalEntry;
    }
  
    @Override
    public Job<?> create() {
      Optional<String> user =
          mJobEntry.hasUser() ? Optional.of(mJobEntry.getUser()) : Optional.empty();
      FileIterable fileIterator =
          new FileIterable(mFsMaster, mJobEntry.getLoadPath(), user, mJobEntry.getPartialListing(),
              LoadJob.QUALIFIED_FILE_FILTER);
      LoadJob job = new LoadJob(mJobEntry.getLoadPath(), user, mJobEntry.getJobId(),
          mJobEntry.hasBandwidth() ? OptionalLong.of(mJobEntry.getBandwidth()) : OptionalLong.empty(),
          mJobEntry.getPartialListing(), mJobEntry.getVerify(), fileIterator);
      job.setJobState(JobState.fromProto(mJobEntry.getState()));
      if (mJobEntry.hasEndTime()) {
        job.setEndTime(mJobEntry.getEndTime());
      }
      return job;
    }
  }
  
  