ScopedObject


1   /*
2    * Copyright 2002-2006 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.aop.scope;
18  
19  /**
20   * An AOP-introduction interface for scoped objects.
21   *
22   * <p>Objects created from the {@link ScopedProxyFactoryBean} can be cast
23   * to this interface, enabling access to the raw target object
24   * and programmatic removal of the target object.
25   *
26   * @author Rod Johnson
27   * @author Juergen Hoeller
28   * @since 2.0
29   * @see ScopedProxyFactoryBean
30   */
31  public interface ScopedObject {
32  
33      /**
34       * Return the current target object behind this scoped object proxy,
35       * in its raw form (as stored in the target scope).
36       * <p>The raw target object can for example be passed to persistence
37       * providers which would not be able to handle the scoped proxy object.
38       * @return the current target object behind this scoped object proxy
39       */
40      Object   getTargetObject();
41  
42      /**
43       * Remove this object from its target scope, for example from
44       * the backing session.
45       * <p>Note that no further calls may be made to the scoped object
46       * afterwards (at least within the current thread, that is, with
47       * the exact same target object in the target scope).
48       */
49      void removeFromScope();
50      
51  }
52
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