1 /*
2  * Copyright (C) 2019 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.net.annotations;
18 
19 import android.annotation.IntDef;
20 import android.net.IpSecManager;
21 
22 import java.lang.annotation.Retention;
23 import java.lang.annotation.RetentionPolicy;
24 
25 /**
26  * IPsec traffic direction.
27  *
28  * <p>Mainline modules cannot reference hidden @IntDef. Moving this annotation to a separate class
29  * to allow others to statically include it.
30  *
31  * @hide
32  */
33 @IntDef(value = {IpSecManager.DIRECTION_IN, IpSecManager.DIRECTION_OUT})
34 @Retention(RetentionPolicy.SOURCE)
35 public @interface PolicyDirection {}
36