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;
  
  import alluxio.AlluxioURI;
  import alluxio.time.ExponentialTimer;
  
  import com.google.common.base.MoreObjects;
  import com.google.common.base.Objects;
  
  import javax.annotation.concurrent.NotThreadSafe;
  
  /**
   * Represents a persist job.
   */
  @NotThreadSafe
  public final class PersistJob {
    /** The id of the file that is persisted. */
    private final long mFileId;
    /** The URI of the file (NOTE: this can be out of date and should only be used for logging). */
    private final AlluxioURI mUri;
    /** The id of the persist job. */
    private final long mId;
    /** The temporary UFS path the file is persisted to. */
    private final String mTempUfsPath;
    /** The timer used for retrying failed jobs. */
    private final ExponentialTimer mTimer;
    /** The cancel state. */
    private CancelState mCancelState;
  
    /**
     * Represents the possible cancel states.
     */
    public enum CancelState {
      NOT_CANCELED,
      TO_BE_CANCELED,
      CANCELING,
    }
  
    /**
     * Creates a new instance of {@link PersistJob}.
     *
     * @param id the job id to use
     * @param fileId the file id to use
     * @param uri the file URI to use
     * @param tempUfsPath the temporary UFS path to use
     * @param timer the timer to use
     */
    public PersistJob(long id, long fileId, AlluxioURI uri, String tempUfsPath,
        ExponentialTimer timer) {
      mId = id;
      mFileId = fileId;
      mUri = uri;
      mTempUfsPath = tempUfsPath;
      mTimer = timer;
      mCancelState = CancelState.NOT_CANCELED;
    }
  
    /**
     * @return the file id
     */
    public long getFileId() {
      return mFileId;
    }
  
    /**
     * @return the file uri
     */
    public AlluxioURI getUri() {
      return mUri;
    }
  
    /**
     * @return the job id
     */
    public long getId() {
      return mId;
    }
  
    /**
     * @return the temporary UFS path
     */
    public String getTempUfsPath() {
      return mTempUfsPath;
    }
  
    /**
     * @return the timer
     */
    public ExponentialTimer getTimer() {
      return mTimer;
    }
  
    /**
     * @return the {@link CancelState}
     */
    public CancelState getCancelState() {
      return mCancelState;
    }
  
    /**
     * @param cancelState the {@link CancelState} to set
     */
    public void setCancelState(CancelState cancelState) {
      mCancelState = cancelState;
    }
  
    @Override
    public boolean equals(Object o) {
      if (this == o) {
        return true;
      }
      if (!(o instanceof PersistJob)) {
        return false;
      }
      PersistJob that = (PersistJob) o;
      return Objects.equal(mFileId, that.mFileId)
          && Objects.equal(mUri, that.mUri)
          && Objects.equal(mId, that.mId)
          && Objects.equal(mTempUfsPath, that.mTempUfsPath)
          && Objects.equal(mTimer, that.mTimer)
          && Objects.equal(mCancelState, that.mCancelState);
    }
  
    @Override
    public int hashCode() {
      return Objects.hashCode(mFileId, mUri, mId, mTempUfsPath, mTimer, mCancelState);
    }
  
    @Override
    public String toString() {
      return MoreObjects.toStringHelper(this).add("fileId", mFileId).add("uri", mUri).add("id", mId)
          .add("tempUfsPath", mTempUfsPath).add("timer", mTimer).add("cancelState", mCancelState)
          .toString();
    }
  }
  