| /** |
| * Copyright (C) 2008 Google Inc. |
| * |
| * 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 com.google.inject.spi; |
| |
| import com.google.inject.Binding; |
| |
| /** |
| * Visit elements. |
| * |
| * @param <V> any type to be returned by the visit method. Use {@link Void} with |
| * {@code return null} if no return type is needed. |
| * |
| * @since 2.0 |
| */ |
| public interface ElementVisitor<V> { |
| |
| /** |
| * Visit a mapping from a key (type and optional annotation) to the strategy for getting |
| * instances of the type. |
| */ |
| <T> V visitBinding(Binding<T> binding); |
| |
| /** |
| * Visit a registration of interceptors for matching methods of matching classes. |
| */ |
| V visitInterceptorBinding(InterceptorBinding interceptorBinding); |
| |
| /** |
| * Visit a registration of a scope annotation with the scope that implements it. |
| */ |
| V visitScopeBinding(ScopeBinding scopeBinding); |
| |
| /** |
| * Visit a registration of type converters for matching target types. |
| */ |
| V visitTypeConverterBinding(TypeConverterBinding typeConverterBinding); |
| |
| /** |
| * Visit a request to inject the instance fields and methods of an instance. |
| */ |
| V visitInjectionRequest(InjectionRequest injectionRequest); |
| |
| /** |
| * Visit a request to inject the static fields and methods of type. |
| */ |
| V visitStaticInjectionRequest(StaticInjectionRequest staticInjectionRequest); |
| |
| /** |
| * Visit a lookup of the provider for a type. |
| */ |
| <T> V visitProviderLookup(ProviderLookup<T> providerLookup); |
| |
| /** |
| * Visit an error message and the context in which it occured. |
| */ |
| V visitMessage(Message message); |
| |
| /** |
| * Visit a collection of configuration elements for a private environment. |
| */ |
| V visitPrivateEnvironment(PrivateEnvironment privateEnvironment); |
| } |