1 /*
2  * Copyright (C) 2017 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License
15  */
16 
17 package com.android.server.backup;
18 
19 /**
20  * Interface and methods used by the asynchronous-with-timeout backup/restore operations.
21  */
22 public interface BackupRestoreTask {
23 
24     // Execute one tick of whatever state machine the task implements
execute()25     void execute();
26 
27     // An operation that wanted a callback has completed
operationComplete(long result)28     void operationComplete(long result);
29 
30     // An operation that wanted a callback has timed out
handleCancel(boolean cancelAll)31     void handleCancel(boolean cancelAll);
32 }
33