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How to trigger a Process by signal from external source?
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created by <a href="http://community.jboss.org/people/leovleov">Leo Tseng</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/634202#634202">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi</p><p>I've tried a example that can start a process by signal event in eclipse environment.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Like:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>public static final void main(String[] args) {</p><p>        try {</p><p>            KnowledgeBase kbase = readKnowledgeBase();</p><p>            StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();</p><p>            Map<String, Object> params = new HashMap<String, Object>();</p><p>            params.put("x", "Ya!");</p><p>            params.put("y", "Cool!");</p><p>            ksession.signalEvent("MySignal", params);</p><p>        } catch (Throwable t) {</p><p>            t.printStackTrace();</p><p>        }        </p><p>    }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>    private static KnowledgeBase readKnowledgeBase() throws Exception {</p><p>        KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();</p><p>        kbuilder.add(ResourceFactory.newClassPathResource("SignalSTest.bpmn"), ResourceType.BPMN2);</p><p>        kbuilder.add(ResourceFactory.newClassPathResource("SignalSReTest.bpmn"), ResourceType.BPMN2);</p><p>        return kbuilder.newKnowledgeBase();</p><p>    }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>In Process define:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><startEvent id="_1" name="Start" ></p><p>      <dataOutput id="_1_Output" /></p><p>      <dataOutputAssociation></p><p>        <sourceRef>_1_Output</sourceRef></p><p>        <targetRef>x</targetRef></p><p>      </dataOutputAssociation></p><p>      <outputSet></p><p>        <dataOutputRefs>_1_Output</dataOutputRefs></p><p>      </outputSet></p><p>      <signalEventDefinition signalRef="MySignal" /></p><p> </startEvent></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>It does work.</p><p>But my question is,</p><p>when I deploy the process to Guvnor and build the package.</p><p>I don't know how to trigger the process in JBPM server from external environment.</p><p>I know there are some REST command to start the process, but it can't carry parameters like signal does and it can't trigger multiple processes once.</p><p>Is there any way to send a signal into JBPM server in order to trigger a process?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Any suggention will be appreciate.</p><p>Thanks for help.</p></div>
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