[jboss-user] [jBPM] - Re: fail to fire a rule task~~ frustrated
Guo-Guang Chiou
do-not-reply at jboss.com
Thu Oct 13 04:37:15 EDT 2011
Guo-Guang Chiou [http://community.jboss.org/people/taitung.wilbert] created the discussion
"Re: fail to fire a rule task~~ frustrated"
To view the discussion, visit: http://community.jboss.org/message/631520#631520
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hi, Francesco.
thanks for your reply.
Finally, I found a way to run rule task on jbpm-console.
here is my process definition..
=================================================================================
<?xml version="1.0" encoding="UTF-8"?>
<definitions id="Definition"
targetNamespace=" http://www.jboss.org/drools http://www.jboss.org/drools"
typeLanguage=" http://www.java.com/javaTypes http://www.java.com/javaTypes"
expressionLanguage=" http://www.mvel.org/2.0 http://www.mvel.org/2.0"
xmlns=" http://www.omg.org/spec/BPMN/20100524/MODEL http://www.omg.org/spec/BPMN/20100524/MODEL"
xmlns:xsi=" http://www.w3.org/2001/XMLSchema-instance http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation=" http://www.omg.org/spec/BPMN/20100524/MODEL http://www.omg.org/spec/BPMN/20100524/MODEL BPMN20.xsd"
xmlns:g=" http://www.jboss.org/drools/flow/gpd http://www.jboss.org/drools/flow/gpd"
xmlns:bpmndi=" http://www.omg.org/spec/BPMN/20100524/DI http://www.omg.org/spec/BPMN/20100524/DI"
xmlns:dc=" http://www.omg.org/spec/DD/20100524/DC http://www.omg.org/spec/DD/20100524/DC"
xmlns:di=" http://www.omg.org/spec/DD/20100524/DI http://www.omg.org/spec/DD/20100524/DI"
xmlns:tns=" http://www.jboss.org/drools http://www.jboss.org/drools">
<process processType="Private" isExecutable="true" id="testrule" name="TestRule" tns:packageName="defaultPackage" tns:version="16" >
<extensionElements>
<tns:import name="org.drools.event.*" />
</extensionElements>
<!-- nodes -->
<startEvent id="_1" name="StartProcess" />
<scriptTask id="_2" name="Script" scriptFormat=" http://www.java.com/java http://www.java.com/java" >
<script>System.out.println("Before rule\n");
//java.util.Iterator itr = kcontext.getKnowledgeRuntime().getKnowledgeBase().getStatefulKnowledgeSessions().iterator();
//boolean called = false;
org.drools.event.AgendaEventListener lis = new org.drools.event.AgendaEventListener(){
public void activationCancelled(org.drools.event.ActivationCancelledEvent arg0,
org.drools.WorkingMemory arg1) {
}
public void activationCreated(org.drools.event.ActivationCreatedEvent arg0,
org.drools.WorkingMemory arg1) {
}
public void afterActivationFired(
org.drools.event.AfterActivationFiredEvent arg0, org.drools.WorkingMemory arg1) {
}
public void afterRuleFlowGroupActivated(
org.drools.event.RuleFlowGroupActivatedEvent arg0, org.drools.WorkingMemory arg1) {
System.out.println("firing all rules");
arg1.fireAllRules();
}
public void afterRuleFlowGroupDeactivated(
org.drools.event.RuleFlowGroupDeactivatedEvent arg0, org.drools.WorkingMemory arg1) {
}
public void agendaGroupPopped(org.drools.event.AgendaGroupPoppedEvent arg0,
org.drools.WorkingMemory arg1) {
}
public void agendaGroupPushed(org.drools.event.AgendaGroupPushedEvent arg0,
org.drools.WorkingMemory arg1) {
}
public void beforeActivationFired(
org.drools.event.BeforeActivationFiredEvent arg0, org.drools.WorkingMemory arg1) {
}
public void beforeRuleFlowGroupActivated(
org.drools.event.RuleFlowGroupActivatedEvent arg0, org.drools.WorkingMemory arg1) {
}
public void beforeRuleFlowGroupDeactivated(
org.drools.event.RuleFlowGroupDeactivatedEvent arg0, org.drools.WorkingMemory arg1) {
}
};
//if(itr.hasNext())
//{
System.out.println("casting..");
org.drools.runtime.StatefulKnowledgeSession ksession = (org.drools.runtime.StatefulKnowledgeSession) kcontext.getKnowledgeRuntime();
try{
org.drools.impl.StatefulKnowledgeSessionImpl s = (org.drools.impl.StatefulKnowledgeSessionImpl)ksession;
s.session.addEventListener(lis) ;
System.out.println("listener is added");
//called = true;
}
catch(Exception ex)
{
System.out.println("================================================================================================================");
System.out.println(ex.getMessage());
System.out.println("================================================================================================================");
}
//}
//if(called==false)
//{
// System.out.println("no session found");
//}</script>
</scriptTask>
<businessRuleTask id="_3" name="Rule" g:ruleFlowGroup="validate" >
</businessRuleTask>
<endEvent id="_4" name="End" >
<terminateEventDefinition/>
</endEvent>
<scriptTask id="_5" name="Script" scriptFormat=" http://www.java.com/java http://www.java.com/java" >
<script>
System.out.println("Rule Task is done"); </script>
</scriptTask>
<!-- connections -->
<sequenceFlow id="_1-_2" sourceRef="_1" targetRef="_2" />
<sequenceFlow id="_2-_3" sourceRef="_2" targetRef="_3" />
<sequenceFlow id="_5-_4" sourceRef="_5" targetRef="_4" />
<sequenceFlow id="_3-_5" sourceRef="_3" targetRef="_5" />
</process>
<bpmndi:BPMNDiagram>
<bpmndi:BPMNPlane bpmnElement="testrule" >
<bpmndi:BPMNShape bpmnElement="_1" >
<dc:Bounds x="16" y="16" width="48" height="48" />
</bpmndi:BPMNShape>
<bpmndi:BPMNShape bpmnElement="_2" >
<dc:Bounds x="96" y="16" width="80" height="48" />
</bpmndi:BPMNShape>
<bpmndi:BPMNShape bpmnElement="_3" >
<dc:Bounds x="208" y="16" width="80" height="48" />
</bpmndi:BPMNShape>
<bpmndi:BPMNShape bpmnElement="_4" >
<dc:Bounds x="432" y="16" width="48" height="48" />
</bpmndi:BPMNShape>
<bpmndi:BPMNShape bpmnElement="_5" >
<dc:Bounds x="320" y="16" width="80" height="48" />
</bpmndi:BPMNShape>
<bpmndi:BPMNEdge bpmnElement="_1-_2" >
<di:waypoint x="40" y="40" />
<di:waypoint x="136" y="40" />
</bpmndi:BPMNEdge>
<bpmndi:BPMNEdge bpmnElement="_2-_3" >
<di:waypoint x="136" y="40" />
<di:waypoint x="248" y="40" />
</bpmndi:BPMNEdge>
<bpmndi:BPMNEdge bpmnElement="_5-_4" >
<di:waypoint x="360" y="40" />
<di:waypoint x="456" y="40" />
</bpmndi:BPMNEdge>
<bpmndi:BPMNEdge bpmnElement="_3-_5" >
<di:waypoint x="248" y="40" />
<di:waypoint x="360" y="40" />
</bpmndi:BPMNEdge>
</bpmndi:BPMNPlane>
</bpmndi:BPMNDiagram>
</definitions>
=================================================================================
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