com.google.inject.spi.ElementVisitor Maven / Gradle / Ivy
/**
* 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 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 {
/**
* Visit a mapping from a key (type and optional annotation) to the strategy for getting
* instances of the type.
*/
V visit(Binding binding);
/**
* Visit a registration of a scope annotation with the scope that implements it.
*/
V visit(ScopeBinding binding);
/**
* Visit a registration of type converters for matching target types.
*/
V visit(TypeConverterBinding binding);
/**
* Visit a request to inject the instance fields and methods of an instance.
*/
V visit(InjectionRequest request);
/**
* Visit a request to inject the static fields and methods of type.
*/
V visit(StaticInjectionRequest request);
/**
* Visit a lookup of the provider for a type.
*/
V visit(ProviderLookup lookup);
/**
* Visit a lookup of the members injector.
*/
V visit(MembersInjectorLookup lookup);
/**
* Visit an error message and the context in which it occured.
*/
V visit(Message message);
/**
* Visit a collection of configuration elements for a {@linkplain com.google.inject.PrivateBinder
* private binder}.
*/
V visit(PrivateElements elements);
/**
* Visit an injectable type listener binding.
*/
V visit(TypeListenerBinding binding);
}