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Re: JBoss5.1.0 + JPA = Object not persists
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created by <a href="http://community.jboss.org/people/amitajmani1">Amit Ajmani</a> in <i>Beginner's Corner</i> - <a href="http://community.jboss.org/message/630205#630205">View the full discussion</a>
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<div class="jive-rendered-content"><p>How do you annotate your SLSB?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>Answer :</strong></p><p>here is my SLSB :</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style=": ; color: #7f0055; font-size: 2;"><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></span><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="color: #646464; font-size: 10pt;"><p align="left">@<span style="text-decoration: underline;"><span style="color: #000000; font-size: 10pt; text-decoration: underline;">Remote</span></span></p></span></p><p align="left"><strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">public</strong></strong><span style="color: #000000; font-size: 10pt;"> </span><strong style=": ; color: #7f0055; font-size: 10pt;">interface</strong><span style="color: #000000; font-size: 10pt;"> UserService {</span><span style="font-size: 10pt;"><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><span style=": ; font-size: 2;"><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></span></span><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><strong style=": ; color: #7f0055; font-size: 10pt;">   public</strong><span style="font-size: 10pt;"> List<User> getRegisteredUsers();</span><span style="font-size: 10pt;"><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><span style=": ; font-size: 2;"><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></span></span><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">   public</strong></strong><span style="font-size: 10pt;"> </span><strong style=": ; color: #7f0055; font-size: 10pt;">void</strong><span style="font-size: 10pt;"> <span style="text-decoration: underline;">registerUser(User user)</span>;</span><span style="font-size: 10pt;"><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>}</p></span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style=": ; color: #7f0055; font-size: 2;"><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></span><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="color: #646464; font-size: 10pt;"><p><span style="color: #646464; font-size: 10pt;"><p align="left">@Stateless</p><p align="left">@TransactionManagement<span style="color: #000000; font-size: 10pt;">(TransactionManagementType.</span><em style="color: #0000c0; font-size: 10pt;"><em style="color: #0000c0; font-size: 10pt;">CONTAINER</em></em><span style="color: #000000; font-size: 10pt;">)</span></p></span></p></span></p><p><strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;"><p>public<span style="color: #000000; font-size: 10pt;"> </span><strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">class</strong></strong><span style="color: #000000; font-size: 10pt;"> UserServiceImpl </span><strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">implements</strong></strong><span style="color: #000000; font-size: 10pt;"> UserService {</span></p></strong></strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></p><p><strong style="color: #000000;">// this is a simple POJO class containing business logic</strong></p><p><p><span style="color: #000000;">private UserServiceCoreImpl coreService;</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="color: #000000;">public UserServiceImpl(){</span></p></p><p><span style="color: #000000;">     </span>coreService = new UserServiceCoreImpl();</p><p><p><span style="color: #000000;">}</span></p></p><p><span style="color: #000000;"><strong style="color: #7f0055;"> public</strong><span style="font-size: 10pt;">List<User> getRegisteredUsers(){</span></span></p><p><span style="color: #000000;">     coreService.getRegisteredUsers();</span></p><p><span style="color: #000000;">....</span></p><p><span style="color: #000000;">}<p><span style="font-size: 10pt;"> <p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><span style=": ; font-size: 2;"><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></span></span></p></span></p><p align="left">   //<strong> performs a database INSERT operation</strong></p><p><strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">   public</strong></strong><span style="font-size: 10pt;"> </span><strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">void</strong></strong><span style="font-size: 10pt;"> registerUser(User user){</span><span style="color: #000000; font-size: 10pt; text-decoration: underline;"></span></p><p><span style="color: #000000;">     coreService.registerUser(user);</span></p><p><p><span style="text-decoration: underline;">}</span></p></p><p><p><span style="color: #000000;">}</span></p></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><div class="mcePaste" id="_mcePaste" style="position: absolute; top: 0px; left: 0px;"></div><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Where do you add @TransactionAttribute? At class or method level and what do you use REQUIRED, SUPPORTS?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>Answer : At the class level as you can see from above code snippet. </strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></div>
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