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.Binder;
import com.google.inject.Binding;
import com.google.inject.Inject;
/**
* 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 interceptors for matching methods of matching classes. */
V visit(InterceptorBinding 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 occurred. */
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);
/**
* Visit a provision listener binding.
*
* @since 4.0
*/
V visit(ProvisionListenerBinding binding);
/**
* Visit a require explicit bindings command.
*
* @since 3.0
*/
V visit(RequireExplicitBindingsOption option);
/**
* Visit a disable circular proxies command.
*
* @since 3.0
*/
V visit(DisableCircularProxiesOption option);
/**
* Visit a require explicit {@literal @}{@link Inject} command.
*
* @since 4.0
*/
V visit(RequireAtInjectOnConstructorsOption option);
/**
* Visit a require exact binding annotations command.
*
* @since 4.0
*/
V visit(RequireExactBindingAnnotationsOption option);
/**
* Visits a {@link Binder#scanModulesForAnnotatedMethods} command.
*
* @since 4.0
*/
V visit(ModuleAnnotatedMethodScannerBinding binding);
}