| /* |
| * Copyright (C) 2020 The Dagger Authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package dagger.assisted; |
| |
| import static java.lang.annotation.ElementType.TYPE; |
| import static java.lang.annotation.RetentionPolicy.RUNTIME; |
| |
| import java.lang.annotation.Documented; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.Target; |
| |
| /** |
| * Annotates an abstract class or interface used to create an instance of a type via an {@link |
| * AssistedInject} constructor. |
| * |
| * <p>An {@link AssistedFactory}-annotated type must obey the following constraints: |
| * |
| * <ul> |
| * <li>The type must be an abstract class or interface, |
| * <li>The type must contain exactly one abstract, non-default method whose |
| * <ul> |
| * <li>return type must exactly match the type of an assisted injection type, and |
| * <li>parameters must match the exact list of {@link Assisted} parameters in the assisted |
| * injection type's constructor (and in the same order). |
| * </ul> |
| * </ul> |
| * |
| * See {@link AssistedInject} |
| */ |
| @Documented |
| @Retention(RUNTIME) |
| @Target(TYPE) |
| public @interface AssistedFactory {} |