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 com.google.inject.Binding;
20 import com.google.inject.Key;
21 import java.util.Set;
22 
23 /**
24  * A binding created from converting a bound instance to a new type. The source binding has the same
25  * binding annotation but a different type.
26  *
27  * @author jessewilson@google.com (Jesse Wilson)
28  * @since 2.0
29  */
30 public interface ConvertedConstantBinding<T> extends Binding<T>, HasDependencies {
31 
32   /** Returns the converted value. */
getValue()33   T getValue();
34 
35   /**
36    * Returns the type converter binding used to convert the constant.
37    *
38    * @since 3.0
39    */
getTypeConverterBinding()40   TypeConverterBinding getTypeConverterBinding();
41 
42   /**
43    * Returns the key for the source binding. That binding can be retrieved from an injector using
44    * {@link com.google.inject.Injector#getBinding(Key) Injector.getBinding(key)}.
45    */
getSourceKey()46   Key<String> getSourceKey();
47 
48   /** Returns a singleton set containing only the converted key. */
49   @Override
getDependencies()50   Set<Dependency<?>> getDependencies();
51 }
52