1 /*
2  * Copyright 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 android.app.servertransaction;
18 
19 import static android.app.servertransaction.ActivityLifecycleItem.LifecycleState;
20 import static android.app.servertransaction.ActivityLifecycleItem.UNDEFINED;
21 
22 import android.os.Parcelable;
23 
24 /**
25  * A callback message to a client that can be scheduled and executed.
26  * Examples of these might be activity configuration change, multi-window mode change, activity
27  * result delivery etc.
28  *
29  * @see ClientTransaction
30  * @see com.android.server.am.ClientLifecycleManager
31  * @hide
32  */
33 public abstract class ClientTransactionItem implements BaseClientRequest, Parcelable {
34 
35     /** Get the state that must follow this callback. */
36     @LifecycleState
getPostExecutionState()37     public int getPostExecutionState() {
38         return UNDEFINED;
39     }
40 
41 
42     // Parcelable
43 
44     @Override
describeContents()45     public int describeContents() {
46         return 0;
47     }
48 }
49