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1   /*
2    * Copyright 2006-2008 the original author or authors.
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 org.springframework.osgi.service.importer;
18  
19  /**
20   * Infrastructure interface available on Spring-DM managed OSGi services. Gives
21   * read-only access to the proxy backing object service reference.
22   * 
23   * @see ServiceReferenceProxy
24   * @author Costin Leau
25   * 
26   */
27  public interface ImportedOsgiServiceProxy {
28  
29  	/**
30  	 * Provides access to the service reference used for accessing the backing
31  	 * object. The returned object is a proxy over the native ServiceReference
32  	 * obtained from the OSGi platform, so that proper service tracking is
33  	 * obtained. This means that if the imported service change, the updates are
34  	 * reflected to the returned service reference automatically.
35  	 * 
36  	 * @return backing object service reference
37  	 */
38  	ServiceReferenceProxy getServiceReference();
39  }