content: /*
   * Copyright (C) 2017 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License
   */
  
  package com.android.server.backup;
  
  /**
   * Interface and methods used by the asynchronous-with-timeout backup/restore operations.
   */
  public interface BackupRestoreTask {
  
      // Execute one tick of whatever state machine the task implements
      void execute();
  
      // An operation that wanted a callback has completed
      void operationComplete(long result);
  
      // An operation that wanted a callback has timed out
      void handleCancel(boolean cancelAll);
  }
  