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1 /*
2  * Copyright (C) 2008 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.spi;
18 
19 import java.util.Set;
20 
21 /**
22  * Implemented by {@link com.google.inject.Binding bindings}, {@link com.google.inject.Provider
23  * providers} and instances that expose their dependencies explicitly.
24  *
25  * @author jessewilson@google.com (Jesse Wilson)
26  * @since 2.0
27  */
28 public interface HasDependencies {
29 
30   /**
31    * Returns the known dependencies for this type. If this has dependencies whose values are not
32    * known statically, a dependency for the {@link com.google.inject.Injector Injector} will be
33    * included in the returned set.
34    *
35    * @return a possibly empty set
36    */
getDependencies()37   Set<Dependency<?>> getDependencies();
38 }
39