AbstractSessionBean


1   /*
2    * Copyright 2002-2007 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.ejb.support;
18  
19  import javax.ejb.SessionContext  ;
20  
21  /**
22   * Superclass for all session beans. Not intended for direct client subclassing;
23   * derive from {@link AbstractStatelessSessionBean} or {@link AbstractStatefulSessionBean}
24   * instead.
25   *
26   * <p>This class saves the session context provided by the EJB container in an
27   * instance variable and exposes it through the {@link SmartSessionBean} interface.
28   *
29   * @author Rod Johnson
30   * @author Juergen Hoeller
31   * @see AbstractStatelessSessionBean
32   * @see AbstractStatefulSessionBean
33   */
34  abstract class AbstractSessionBean extends AbstractEnterpriseBean implements SmartSessionBean {
35  
36      /** The SessionContext passed to this object */
37      private SessionContext   sessionContext;
38  
39  
40      /**
41       * Set the session context.
42       * <p><b>If overriding this method, be sure to invoke this form of it first.</b>
43       * @param sessionContext the SessionContext for this EJB
44       */
45      public void setSessionContext(SessionContext   sessionContext) {
46          this.sessionContext = sessionContext;
47      }
48  
49      /**
50       * Convenience method for subclasses.
51       * Return the EJB context saved on initialization.
52       * @return the SessionContext saved on initialization by this class's
53       * implementation of the <code>setSessionContext</code> method
54       */
55      public final SessionContext   getSessionContext() {
56          return this.sessionContext;
57      }
58  
59  }
60
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