services/backup/java/com/android/server/backup/BackupRestoreTask.java

/*
 * 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);
}