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