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Impossible to find Group Tasks ordered
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created by <a href="http://community.jboss.org/people/Spiga">Fabio Spiga</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/566226#566226">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi everybody,</p><p>I need to get the group tasks for which a user is candidate in a manner ORDERED e PAGED, so the API findGroupTasks is not sufficient.</p><p>Therefore, I have replaced findGroupTasks() with the following code:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em>         taskList = getTaskService().createTaskQuery()<br/>            .candidate(filter.getUsername())<br/>            .orderDesc(TaskQuery.PROPERTY_CREATEDATE)<br/>            .page(startRow, maxResults)<br/>            .list();</em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The problem is that the resulting list is not ordered.</p><p>By debugging jBPM sources, I've found that the problem is in the class org.jbpm.pvm.internal.query.TaskQueryImpl within the method</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em>public String hql()</em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Here the ORDER BY clause is added only if I'm not searching for Candidate. The original code is the following:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><em>....<br/></em></p><p><em>if (candidate == null && !count)<br/>      appendOrderByClause(hql);</em></p><p><em>....</em></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Why in your opinion is there such a condition?</p><p>How can I do to obtain an ordered and paged list for a candidate user?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Thanks you in advance,</p><p>Fabio</p></div>
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