1 /* 2 * Copyright (C) 2022 The Dagger Authors. 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 dagger.internal; 18 19 import static java.lang.annotation.ElementType.TYPE; 20 import static java.lang.annotation.RetentionPolicy.CLASS; 21 22 import java.lang.annotation.Retention; 23 import java.lang.annotation.Target; 24 25 /** Stores the qualifier information about a type after it's been processed. */ 26 @Retention(CLASS) 27 @Target(TYPE) 28 public @interface QualifierMetadata { 29 /** 30 * Returns the list of fully qualified qualifier names used in a particular context. 31 * 32 * <p>For example, when annotating Dagger's generated {@code _Factory} class for an inject 33 * constructor, it contains all qualifiers used on parameters within the constructor. When 34 * annotating Dagger's generated {@code _MembersInjector} class for inject fields and methods, it 35 * contains all qualifiers found on the fields and method parameters. When annotating Dagger's 36 * generated {@code _Factory} class for provision methods it includes all qualifiers used on the 37 * provision method and its parameters. 38 */ value()39 String[] value() default {}; 40 } 41