1 /*
2  * Copyright (C) 2018 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.deviceidle;
18 
19 /**
20  * Device idle constraints for a specific form factor or use-case.
21  */
22 public interface ConstraintController {
23     /**
24      * Begin any general continuing work and register all constraints.
25      */
start()26     void start();
27 
28     /**
29      * Unregister all constraints and stop any general work.
30      */
stop()31     void stop();
32 }
33