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<a href="http://community.jboss.org/index.jspa" style="text-decoration: none; color: #E1E1E1">JBoss Community</a></h1>
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Using jBPM5 in JEE6
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created by <a href="http://community.jboss.org/people/tair.sabirgaliev">Tair Sabirgaliev</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/608826#608826">View the full discussion</a>
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<div class="jive-rendered-content"><p>What is the best way to interact with persistent jBPM5 engine in JEE6 application?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I'm learning jBPM5 and by the way trying to embed it in a JEE6 web application to build a simple BPM console . So far I come up with these design:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>@ApplicationScoped KnowledgeBase</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>@???Scoped StatefulKnowledgeSession</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>@RequestScoped ProcessInstance</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I'm stuck with deciding the scope for StatefulKnowledgeSession, because I can't understand the relation between ksessions and processInstances. I looked into code of jbpm-gwt-console and found that it uses single application-wide ksession. It is loaded from DB if found with id=1, otherwise new ksession is created.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>So my questions are:</p><p>1) Does a processInstance exclusively belong to a particular ksession?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>2) If (1) = YES. Imagine I have a processInstanceId, then how I load the ksession it belongs to?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>3) If (1) = NO, is it safe to use a new ksession to operate on an already started processInstance?</p></div>
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