1 /* 2 * Copyright (C) 2016 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 dalvik.annotation; 18 19 import java.lang.annotation.ElementType; 20 import java.lang.annotation.Retention; 21 import java.lang.annotation.RetentionPolicy; 22 import java.lang.annotation.Target; 23 import java.lang.reflect.Parameter; 24 25 /** 26 * Records the nest host of the nest group to which a class or interface claims to belong to. 27 * 28 * <p>The annotation is used to determine the nest group to which this class belongs to. All classes 29 * in a nest group are considered nest mates and share a common access control mechanism. 30 * 31 * <p>The NestHost class must also include this class into its {@link NestMembers} list. 32 * 33 * <p>The absence of the NestHost annotation implies that the class is its own host. 34 */ 35 @Retention(RetentionPolicy.RUNTIME) 36 @Target({ElementType.TYPE}) 37 @interface NestHost { 38 39 /* 40 * This annotation is never used in source code; it is expected to be generated in .dex 41 * files by tools like compilers. Commented definitions for the annotation members expected 42 * by the runtime / reflection code can be found below for reference. 43 */ 44 45 /* 46 * The host class for the annotated class. This must not be null. 47 * 48 * It is expected that if the NestHost annotation is used, the host is a different class from 49 * the current, annotated, one. 50 */ host()51 Class<?> host(); 52 } 53 54