1 /* 2 * Copyright (C) 2015 Google, Inc. 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 package dagger; 17 18 import java.lang.annotation.Documented; 19 import java.lang.annotation.Retention; 20 import java.lang.annotation.Target; 21 22 import static java.lang.annotation.ElementType.TYPE; 23 import static java.lang.annotation.RetentionPolicy.RUNTIME; 24 25 /** 26 * A subcomponent that inherits the bindings from a parent {@link Component} or 27 * {@link Subcomponent}. The details of how to associate a subcomponent with a parent are described 28 * in the documentation for {@link Component}. 29 * 30 * @author Gregory Kick 31 * @since 2.0 32 */ 33 @Retention(RUNTIME) // Allows runtimes to have specialized behavior interoperating with Dagger. 34 @Target(TYPE) 35 @Documented 36 public @interface Subcomponent { 37 /** 38 * A list of classes annotated with {@link Module} whose bindings are used to generate the 39 * subcomponent implementation. Note that through the use of {@link Module#includes} the full set 40 * of modules used to implement the subcomponent may include more modules that just those listed 41 * here. 42 */ 43 Class<?>[] modules() default {}; 44 45 /** 46 * A builder for a subcomponent. This follows all the rules of {@link Component.Builder}, except 47 * it must appear in classes annotated with {@link Subcomponent} instead of {@code Component}. 48 * Components can have methods that return a {@link Subcomponent.Builder}-annotated type, 49 * allowing the user to set modules on the subcomponent using their defined API. 50 */ 51 @Target(TYPE) 52 @Documented 53 @interface Builder {} 54 } 55
