TypedRegistry


1   // Copyright 2007 The Apache Software Foundation
2   //
3   // Licensed under the Apache License, Version 2.0 (the "License");
4   // you may not use this file except in compliance with the License.
5   // You may obtain a copy of the License at
6   //
7   //     http://www.apache.org/licenses/LICENSE-2.0
8   //
9   // Unless required by applicable law or agreed to in writing, software
10  // distributed under the License is distributed on an "AS IS" BASIS,
11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  // See the License for the specific language governing permissions and
13  // limitations under the License.
14  
15  package org.apache.hivemind.annotations;
16  
17  import org.apache.hivemind.service.Autowiring;
18  
19  /**
20   * Specialized interface for the {@link org.apache.hivemind.Registry} access from annotated modules.
21   * Implements typed access to services and configurations by use of Generics. 
22   * 
23   * @author Achim Huegen
24   */
25  public interface TypedRegistry 
26  {
27      /**
28       * Returns a service from the registry.
29       * 
30       * @see org.apache.hivemind.Registry#getService(String, Class)
31       */
32      public <T> T getService(String   serviceId, Class  <T> serviceInterface);
33  
34      /**
35       * Finds a service that implements the provided interface. 
36       * Exactly one such service may exist or an exception is thrown.
37       * 
38       * @see org.apache.hivemind.Registry#getService(Class)
39       */
40      public <T> T getService(Class  <T> serviceInterface);
41      
42      /**
43       * Returns the specified configuration from the registry.
44       * 
45       * @see org.apache.hivemind.Registry#getConfiguration(String)
46       */
47      public <T> T getConfiguration(String   configurationId, Class  <T> configurationType);
48      
49      /**
50       * Finds a configuration by its type. 
51       * Exactly one such configuration may exist or an exception is thrown.
52       * 
53       * @see org.apache.hivemind.Registry#getConfiguration(String)
54       */
55      public <T> T getConfiguration(Class  <T> configurationType);
56      
57  
58      /**
59       * Returns a reference to the {@link Autowiring} service.
60       */
61      public Autowiring getAutowiring();
62      
63      /**
64       * @see org.apache.hivemind.Registry#shutdown()
65       */
66      public void shutdown();
67  }
68
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