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 17 package com.google.inject.multibindings; 18 19 import com.google.inject.spi.BindingTargetVisitor; 20 21 /** 22 * A visitor for the multibinder extension. 23 * 24 * <p>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 */ 31 public interface MultibindingsTargetVisitor<T, V> extends BindingTargetVisitor<T, V> { 32 33 /** Visits a binding created through {@link Multibinder}. */ visit(MultibinderBinding<? extends T> multibinding)34 V visit(MultibinderBinding<? extends T> multibinding); 35 36 /** Visits a binding created through {@link MapBinder}. */ visit(MapBinderBinding<? extends T> mapbinding)37 V visit(MapBinderBinding<? extends T> mapbinding); 38 39 /** 40 * Visits a binding created through {@link OptionalBinder}. 41 * 42 * @since 4.0 43 */ visit(OptionalBinderBinding<? extends T> optionalbinding)44 V visit(OptionalBinderBinding<? extends T> optionalbinding); 45 } 46