1 /*
2  * Copyright (C) 2023 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.functional.kotlinsrc.subcomponent.pruning
18 
19 import dagger.Component
20 import dagger.Module
21 import dagger.Provides
22 import dagger.Subcomponent
23 import dagger.functional.kotlinsrc.subcomponent.pruning.ParentDoesntUseSubcomponent.ChildA
24 import dagger.multibindings.IntoSet
25 import javax.inject.Qualifier
26 
27 /**
28  * Supporting types for [SubcomponentOnlyRequestedBySiblingTest]. [ChildA] is a direct child of the
29  * top level component, but is only requested within its sibling, not directly from its parent.
30  */
31 @Component(modules = [ParentDoesntUseSubcomponent.ParentModule::class])
32 interface ParentDoesntUseSubcomponent {
childBBuildernull33   fun childBBuilder(): ChildB.Builder
34 
35   @Subcomponent(modules = [ChildAModule::class])
36   interface ChildA {
37     @Subcomponent.Builder
38     interface Builder {
39       fun build(): ChildA
40     }
41 
42     fun componentHierarchy(): Set<Class<*>>
43   }
44 
45   @Subcomponent(modules = [ChildBModule::class])
46   interface ChildB {
47     @Subcomponent.Builder
48     interface Builder {
buildnull49       fun build(): ChildB
50     }
51 
52     fun componentHierarchy(): Set<Class<*>>
53 
54     @FromChildA fun componentHierarchyFromChildA(): Set<Class<*>>
55   }
56 
57   @Module(subcomponents = [ChildA::class, ChildB::class])
58   object ParentModule {
59     @Provides
60     @IntoSet
61     fun provideComponentType(): Class<*> = ParentDoesntUseSubcomponent::class.java
62   }
63 
64   @Module
65   object ChildAModule {
provideComponentTypenull66     @Provides @IntoSet fun provideComponentType(): Class<*> = ChildA::class.java
67   }
68 
69   @Module
70   class ChildBModule {
71     @Provides
72     @FromChildA
73     fun fromChildA(childABuilder: ChildA.Builder): Set<Class<*>> =
74       childABuilder.build().componentHierarchy()
75 
76     companion object {
77       @Provides @IntoSet fun provideComponentType(): Class<*> = ChildB::class.java
78     }
79   }
80 
81   @Qualifier annotation class FromChildA
82 }
83