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.car.annotation; 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.METHOD; 22 import static java.lang.annotation.ElementType.TYPE; 23 import static java.lang.annotation.RetentionPolicy.SOURCE; 24 25 import java.lang.annotation.Retention; 26 import java.lang.annotation.Target; 27 28 /** 29 * Annotation to represent a feature required to use the specified method. 30 * Ex: @RequiredFeature(Car.STORAGE_MONITORING_SERVICE) 31 * 32 * @hide 33 */ 34 @Target({ANNOTATION_TYPE, CONSTRUCTOR, METHOD, TYPE}) 35 @Retention(SOURCE) 36 public @interface RequiredFeature { value()37 String value(); 38 } 39