1 /*
2  * Copyright (C) 2022 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.telephony;
18 
19 import android.annotation.FlaggedApi;
20 import android.annotation.NonNull;
21 import android.annotation.SystemApi;
22 import android.telephony.DomainSelectionService.SelectionAttributes;
23 
24 import com.android.internal.telephony.flags.Flags;
25 
26 /**
27  * Implemented as part of the {@link DomainSelectionService} to implement domain selection
28  * for a specific use case and receive signals from the framework to reselect a new domain
29  * when a previous domain selection fails or finish a selection when the call connects successfully.
30  * @hide
31  */
32 @SystemApi
33 @FlaggedApi(Flags.FLAG_USE_OEM_DOMAIN_SELECTION_SERVICE)
34 public interface DomainSelector {
35     /**
36      * Reselect a domain due to the call not setting up properly.
37      *
38      * @param attr attributes required to select the domain.
39      */
reselectDomain(@onNull SelectionAttributes attr)40     void reselectDomain(@NonNull SelectionAttributes attr);
41 
42     /**
43      * Finish the selection procedure and clean everything up.
44      */
finishSelection()45     void finishSelection();
46 }
47