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.wire;
  
  import alluxio.AlluxioURI;
  import alluxio.annotation.PublicApi;
  import alluxio.grpc.SyncPointStatus;
  
  /**
   * This class represents the state of a sync point, whether the intial syncing is done,
   * in progress or not going to be done.
   */
  @PublicApi
  public class SyncPointInfo {
    /**
     * Indicates the status of the initial sync of the active sync point.
     */
    public enum SyncStatus {
      // This state is possible when initial syncing is turned off
      NOT_INITIALLY_SYNCED,
      SYNCING,
      INITIALLY_SYNCED
    }
  
    private final AlluxioURI mSyncPointUri;
    private final SyncStatus mSyncStatus;
  
    /**
     * Constructs a SyncPointInfo object.
     *
     * @param syncPoint path to the sync point
     * @param syncStatus current syncing status
     */
    public SyncPointInfo(AlluxioURI syncPoint, SyncStatus syncStatus) {
      mSyncPointUri = syncPoint;
      mSyncStatus = syncStatus;
    }
  
    /**
     * Get the uri of the sync point.
     * @return uri of the sync point
     */
    public AlluxioURI getSyncPointUri() {
      return mSyncPointUri;
    }
  
    /**
     * Get the initial sync status.
     * @return the initial sync status
     */
    public SyncStatus getSyncStatus() {
      return mSyncStatus;
    }
  
    /**
     * @return proto representation of the sync point information
     */
    public alluxio.grpc.SyncPointInfo toProto() {
      SyncPointStatus status;
      switch (mSyncStatus) {
        case NOT_INITIALLY_SYNCED:
          status = SyncPointStatus.Not_Initially_Synced;
          break;
        case SYNCING:
          status = SyncPointStatus.Syncing;
          break;
        case INITIALLY_SYNCED:
          status = SyncPointStatus.Initially_Synced;
          break;
        default:
          status = SyncPointStatus.Not_Initially_Synced;
      }
  
      alluxio.grpc.SyncPointInfo info = alluxio.grpc.SyncPointInfo.newBuilder()
          .setSyncPointUri(mSyncPointUri.getPath()).setSyncStatus(status).build();
      return info;
    }
  
    /**
     * Generate sync point information from the proto representation.
     * @param syncPointInfo the proto representation
     * @return sync point info object
     */
    public static SyncPointInfo fromProto(alluxio.grpc.SyncPointInfo syncPointInfo) {
      SyncStatus syncStatus;
      switch (syncPointInfo.getSyncStatus()) {
        case Not_Initially_Synced:
          syncStatus = SyncStatus.NOT_INITIALLY_SYNCED;
          break;
        case Syncing:
          syncStatus = SyncStatus.SYNCING;
          break;
        case Initially_Synced:
          syncStatus = SyncStatus.INITIALLY_SYNCED;
          break;
        default:
          syncStatus = SyncStatus.NOT_INITIALLY_SYNCED;
      }
      return new SyncPointInfo(new AlluxioURI(syncPointInfo.getSyncPointUri()), syncStatus);
    }
  }
  