1 /*
2  * Copyright (C) 2006 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;
18 
19 /**
20  * A module contributes configuration information, typically interface bindings, which will be used
21  * to create an {@link Injector}. A Guice-based application is ultimately composed of little more
22  * than a set of {@code Module}s and some bootstrapping code.
23  *
24  * <p>Your Module classes can use a more streamlined syntax by extending {@link AbstractModule}
25  * rather than implementing this interface directly.
26  *
27  * <p>In addition to the bindings configured via {@link #configure}, bindings will be created for
28  * all methods annotated with {@literal @}{@link Provides}. Use scope and binding annotations on
29  * these methods to configure the bindings.
30  */
31 public interface Module {
32 
33   /**
34    * Contributes bindings and other configurations for this module to {@code binder}.
35    *
36    * <p><strong>Do not invoke this method directly</strong> to install submodules. Instead use
37    * {@link Binder#install(Module)}, which ensures that {@link Provides provider methods} are
38    * discovered.
39    */
configure(Binder binder)40   void configure(Binder binder);
41 }
42