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Re: A question on the external event using event Correlation
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created by <a href="http://community.jboss.org/people/francesco.pietrobelli">Francesco Pietrobelli</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/609642#609642">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi i'm back with some delay.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>My question is: can the process engine handle message correlation automaticaly in according to BPMN 2.0 spec (section 8.3.2)? or i must to handle message correlation externaly to proccess engine?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Let me explain, i have understood that a process can wait a message by a intermediate catch message event or by a receive task. </p><p>In the first case my application can signal the arrival of message by only  </p><pre class="jive-pre"><code class="jive-code jive-java">ksession.signalEvent(<font color="red">"Message-<messageId>"</font>,message,processInstanceId)
</code></pre><p>because if i use</p><pre class="jive-pre"><code class="jive-code jive-java">ksession.signalEvent(<font color="red">"Message-<messageId>"</font>,message)
</code></pre><p>only the start (and not the intermediate catch) message event is triggered</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>In second case my application can signal the arrival of message by</p><pre class="jive-pre"><code class="jive-code jive-xml">ksession.getWorkingItemManager().completeTask(workItem.getId(),mapThatContainsTheMessage)
</code></pre><p>it is correct?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>then, <span id="result_box" lang="en"><span class="hps" title="Fai clic per visualizzare le traduzioni alternative">if my</span> <span class="hps" title="Fai clic per visualizzare le traduzioni alternative">application</span> <span class="hps" title="Fai clic per visualizzare le traduzioni alternative">needs to be aware</span> <span class="hps" title="Fai clic per visualizzare le traduzioni alternative">of</span> <span class="hps" title="Fai clic per visualizzare le traduzioni alternative">the process</span> <span class="hps" title="Fai clic per visualizzare le traduzioni alternative">id or the workItemId for signaling the arrival of a message when the correlationProperty come into play?<br/></span></span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>another question is: what is the difference at the conceptual level from intermediate catch message event and receive task? when is appropriate to use one rather than other?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Best regards</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span lang="en"><span class="hps" title="Fai clic per visualizzare le traduzioni alternative"><br/></span></span></p></div>
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