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Re: StatefulKnowledgeSession in custom work item handlers
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created by <a href="http://community.jboss.org/people/amin-mc">Amin Mohammed-Coleman</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/636283#636283">View the full discussion</a>
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<div class="jive-rendered-content"><p>Just looking at the source code...could i extend the JPAWorkItemManager to achive this?  For example:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>in JPAWorkItemManager </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="margin: 0.0px 0.0px 0.0px 0.0px;"><span style="color: #951565;">public</span> <span style="color: #951565;">void</span> internalExecuteWorkItem(WorkItem workItem) {</p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">        Environment env = <span style="color: #951565;">this</span>.<span style="color: #162bc4;">kruntime</span>.getEnvironment();</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">        WorkItemInfo workItemInfo = <span style="color: #951565;">new</span> WorkItemInfo(workItem, env);</p><p style="margin: 0.0px 0.0px 0.0px 0.0px; color: #4a9075;">        </p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">        PersistenceContext context = ((PersistenceContextManager) env.get( EnvironmentName.<span style="color: #162bc4;">PERSISTENCE_CONTEXT_MANAGER</span> )).getCommandScopedPersistenceContext();</p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">        context.persist( workItemInfo );</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">        ((WorkItemImpl) workItem).setId(workItemInfo.getId());</p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">        workItemInfo.update();</p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">        </p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">        <span style="color: #951565;">if</span> (<span style="color: #951565;">this</span>.<span style="color: #162bc4;">workItems</span> == <span style="color: #951565;">null</span>) {</p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">            <span style="color: #951565;">this</span>.<span style="color: #162bc4;">workItems</span> = <span style="color: #951565;">new</span> HashMap<Long, WorkItemInfo>();</p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">        }</p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">        <span style="color: #162bc4;">workItems</span>.put(workItem.getId(), workItemInfo);</p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">        </p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">        WorkItemHandler handler = (WorkItemHandler) <span style="color: #951565;">this</span>.<span style="color: #162bc4;">workItemHandlers</span>.get(workItem.getName());</p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">        <span style="color: #951565;">if</span> (handler != <span style="color: #951565;">null</span>) {</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">                  <span style="color: #951565;">if</span> (handler <span style="color: #951565;">instanceof</span> <span style="text-decoration: underline;">StatefulKnowledgeSessionAware</span>) {</p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">                                  //invoke a different execute and inject the session into this?</p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">                            handler.<span style="text-decoration: underline;">executeWorkItemWithSession</span>(workItem, <span style="color: #951565;">this</span>, <span style="color: #162bc4;">kruntime</span>);</p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">                  } <span style="color: #951565;">else</span> {</p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">                            handler.executeWorkItem(workItem, <span style="color: #951565;">this</span>);</p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">                  }</p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">        } <span style="color: #951565;">else</span> {</p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">            throwWorkItemNotFoundException( workItem );</p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">        }</p><p style="margin: 0.0px 0.0px 0.0px 0.0px;">    }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Would this work?  If so would i register a custom JPAWorkItemManager other than creating my own version of this...</p></div>
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