UserTransactionTester


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: UserTransactionTester.java 880 2006-07-17 11:51:17Z studzine $
23   * --------------------------------------------------------------------------
24   */
25  package org.objectweb.easybeans.tests.common.resources;
26  
27  import javax.annotation.Resource;
28  import javax.naming.Context  ;
29  import javax.naming.InitialContext  ;
30  import javax.transaction.UserTransaction  ;
31  
32  import org.objectweb.easybeans.tests.common.exception.CustomException00;
33  
34  
35  /**
36   * UserTransaction Tester.
37   * @author Eduardo Studzinski Estima de Castro
38   * @author Gisele Pinheiro Souza
39   *
40   */
41  public class UserTransactionTester {
42  
43      /**
44       * Injected UserTransaction.
45       */
46      @Resource
47      private UserTransaction   utx;
48  
49      /**
50       * Default Constructor.
51       */
52      public UserTransactionTester(){
53      }
54  
55      /**
56       * Tests an userTransaction access.
57       * @throws Exception if a problem occurs.
58       */
59      protected void access00() throws Exception  {
60          checkInstance(utx);
61      }
62  
63      /**
64       * Checks if an user transaction reference is working well.
65       * @param utx reference
66       * @throws Exception if a problem occurs
67       */
68      public static void checkInstance(final UserTransaction   utx) throws Exception  {
69          if (utx == null){
70              throw new CustomException00("UserTransaction reference is null.");
71          }
72          utx.begin();
73          utx.commit();
74      }
75  
76      /**
77       * Checks if an user transaction reference can be obtained using the JNDI API.
78       * @throws Exception if a problem occurs
79       */
80      public static void checkJNDI() throws Exception  {
81          Context   ctx = new InitialContext  ();
82  
83          UserTransaction   utx = (UserTransaction  ) ctx.lookup("java:comp/env/UserTransaction");
84          if (utx == null){
85              throw new Exception  ("UserTransaction reference obtained using JNDI API is null.");
86          }
87      }
88  }
89
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