SLSBInvocationContext01


1   /**
2    * EasyBeans
3    * Copyright (C) 2006 Bull S.A.S.
4    * Contact: easybeans@objectweb.org
5    *
6    * This library is free software; you can redistribute it and/or
7    * modify it under the terms of the GNU Lesser General Public
8    * License as published by the Free Software Foundation; either
9    * version 2.1 of the License, or any later version.
10   *
11   * This library is distributed in the hope that it will be useful,
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14   * Lesser General Public License for more details.
15   *
16   * You should have received a copy of the GNU Lesser General Public
17   * License along with this library; if not, write to the Free Software
18   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
19   * USA
20   *
21   * --------------------------------------------------------------------------
22   * $Id: SLSBInvocationContext01.java 880 2006-07-17 11:51:17Z studzine $
23   * --------------------------------------------------------------------------
24   */
25  package org.objectweb.easybeans.tests.common.ejbs.stateless.containermanaged.invocationcontext;
26  
27  import javax.ejb.Remote  ;
28  import javax.ejb.Stateless  ;
29  import javax.interceptor.AroundInvoke;
30  import javax.interceptor.ExcludeClassInterceptors;
31  import javax.interceptor.InvocationContext;
32  
33  import org.objectweb.easybeans.tests.common.ejbs.base.invocationcontext.ItfInvocation00;
34  
35  /**
36   * This bean is used to manipulate the invocation context object.
37   * @author Eduardo Studzinski E. de Castro
38   * @author Gisele Pinheiro Souza
39   */
40  @Stateless  
41  @Remote  
42  public class SLSBInvocationContext01 implements ItfInvocation00 {
43  
44      /**
45       * Information from interceptor.
46       */
47      private Integer   interceptorInfo = null;
48  
49      /**
50       * Verifies if the Interceptor.getTarget() returns an object with the same
51       * hashcode of the bean instance.
52       */
53      public void check() {
54          if (interceptorInfo.intValue() != this.hashCode()) {
55              throw new IllegalStateException  ("The referenced bean is not equal as the invocation context reference.");
56          }
57      }
58  
59      /**
60       * Allows the interceptor to store an information in the bean.
61       * @param o information
62       */
63      @ExcludeClassInterceptors
64      public void setInterceptorInfo(final Object   o) {
65          interceptorInfo = (Integer  ) o;
66      }
67  
68      /**
69       * Interceptor that checks the invocation context object, it's compares the
70       * bean descriptor. <li>The first parameter of the intercepted method must
71       * be a BeanDescriptor.</li>
72       * @param ic contains attributes of invocation
73       * @return method's invocation result
74       * @throws Exception if invocation fails
75       */
76      @SuppressWarnings  ("unused")
77      @AroundInvoke
78      private Object   checkDescriptor(final InvocationContext ic) throws Exception   {
79          interceptorInfo = new Integer  (ic.getTarget().hashCode());
80          return ic.proceed();
81      }
82  
83  }
84
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