1 /* 2 * Copyright (C) 2018 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 libcore.api; 18 19 import static java.lang.annotation.ElementType.ANNOTATION_TYPE; 20 import static java.lang.annotation.ElementType.CONSTRUCTOR; 21 import static java.lang.annotation.ElementType.FIELD; 22 import static java.lang.annotation.ElementType.METHOD; 23 import static java.lang.annotation.ElementType.TYPE; 24 25 import java.lang.annotation.Retention; 26 import java.lang.annotation.RetentionPolicy; 27 import java.lang.annotation.Target; 28 29 /** 30 * Indicates an API is part of a contract within the "core" set of libraries, some of which may 31 * be mmodules. 32 * 33 * <p>This annotation should only appear on either (a) classes that are hidden by <pre>@hide</pre> 34 * javadoc tags or equivalent annotations, or (b) members of such classes. It is for use with 35 * metalava's {@code --show-single-annotation} option and so must be applied at the class level and 36 * applied again each member that is to be made part of the API. Members that are not part of the 37 * API do not have to be explicitly hidden. 38 * 39 * @hide 40 */ 41 @IntraCoreApi // @IntraCoreApi is itself part of the intra-core API 42 @Target({TYPE, FIELD, METHOD, CONSTRUCTOR, ANNOTATION_TYPE}) 43 @Retention(RetentionPolicy.SOURCE) 44 public @interface IntraCoreApi { 45 } 46