1 /*
2  * Copyright (C) 2020 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 package android.content.rollback;
17 
18 import android.app.SystemServiceRegistry;
19 import android.content.Context;
20 
21 /**
22  * Class holding initialization code for the RollbackManager module.
23  *
24  * @hide
25  */
26 public class RollbackManagerFrameworkInitializer {
RollbackManagerFrameworkInitializer()27     private RollbackManagerFrameworkInitializer() {}
28 
29     /**
30      * Called by {@link SystemServiceRegistry}'s static initializer and registers RollbackManager
31      * to {@link Context}, so that {@link Context#getSystemService} can return it.
32      *
33      * @throws IllegalStateException if this is called from anywhere besides
34      *     {@link SystemServiceRegistry}
35      */
initialize()36     public static void initialize() {
37         SystemServiceRegistry.registerContextAwareService(
38                 Context.ROLLBACK_SERVICE, RollbackManager.class,
39                 (context, b) -> new RollbackManager(context, IRollbackManager.Stub.asInterface(b)));
40     }
41 }
42