1/**
2 * Copyright (C) 2010 Google Inc.
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
17package com.google.inject.multibindings;
18
19import com.google.inject.spi.BindingTargetVisitor;
20
21/**
22 * A visitor for the multibinder extension.
23 * <p>
24 * If your {@link BindingTargetVisitor} implements this interface, bindings created by using
25 * {@link Multibinder}, {@link MapBinder} or {@link OptionalBinderBinding} will be visited through
26 * this interface.
27 *
28 * @since 3.0
29 * @author sameb@google.com (Sam Berlin)
30 */
31public interface MultibindingsTargetVisitor<T, V> extends BindingTargetVisitor<T, V> {
32
33  /**
34   * Visits a binding created through {@link Multibinder}.
35   */
36  V visit(MultibinderBinding<? extends T> multibinding);
37
38  /**
39   * Visits a binding created through {@link MapBinder}.
40   */
41  V visit(MapBinderBinding<? extends T> mapbinding);
42
43  /**
44   * Visits a binding created through {@link OptionalBinder}.
45   *
46   * @since 4.0
47   */
48  V visit(OptionalBinderBinding<? extends T> optionalbinding);
49
50}
51