[jboss-dev-forums] [jBPM Development] - Re: Unable to start-up human task
phumla Andrease
do-not-reply at jboss.com
Tue Jul 26 10:37:59 EDT 2011
phumla Andrease [http://community.jboss.org/people/paa] created the discussion
"Re: Unable to start-up human task"
To view the discussion, visit: http://community.jboss.org/message/617652#617652
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No Luck!!!
I changed it to the following::
| package com.jbpm.process;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.drools.KnowledgeBase;
import org.drools.SystemEventListenerFactory;
import org.drools.builder.KnowledgeBuilder;
import org.drools.builder.KnowledgeBuilderFactory;
import org.drools.builder.ResourceType;
import org.drools.io.ResourceFactory;
import org.drools.logger.KnowledgeRuntimeLogger;
import org.drools.logger.KnowledgeRuntimeLoggerFactory;
import org.drools.runtime.StatefulKnowledgeSession;
import org.jbpm.process.workitem.wsht.WSHumanTaskHandler;
import org.jbpm.task.query.TaskSummary;
import org.jbpm.task.service.TaskClient;
import org.jbpm.task.service.mina.MinaTaskClientConnector;
import org.jbpm.task.service.mina.MinaTaskClientHandler;
import org.jbpm.task.service.responsehandlers.BlockingTaskOperationResponseHandler;
import org.jbpm.task.service.responsehandlers.BlockingTaskSummaryResponseHandler;
/**
* This is a sample file to launch a process.
*/
public class ProcessTest {
public static final void main(String[] args) {
try {
// load up the knowledge base
KnowledgeBase kbase = readKnowledgeBase();
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
KnowledgeRuntimeLogger logger = KnowledgeRuntimeLoggerFactory.newThreadedFileLogger(ksession, "test", 1000);
ksession.getWorkItemManager().registerWorkItemHandler("Human Task", new WSHumanTaskHandler());
// start a new process instance
Map<String, Object> params = new HashMap<String, Object>();
params.put("employee", "Krisv");
params.put("comment", "Load login screen");
ksession.startProcess("com.jbpm.process.captureProcess", params);
//Krisv Start process
SystemEventListenerFactory.setSystemEventListener(new SystemEventListener());
TaskClient taskClient = new TaskClient(new MinaTaskClientConnector("MinaConnector",
new MinaTaskClientHandler(SystemEventListenerFactory.getSystemEventListener())));
taskClient.connect("127.0.0.1", 9123);
Thread.sleep(1000);
BlockingTaskSummaryResponseHandler taskSummaryHandler = new BlockingTaskSummaryResponseHandler();
taskClient.getTasksAssignedAsPotentialOwner("Krisv", "en-UK", taskSummaryHandler);
TaskSummary task1 = taskSummaryHandler.getResults().get(0);
System.out.println("Krisv executing task " + task1.getName() + "(" + task1.getId() + ": " + task1.getDescription() + ")");
BlockingTaskOperationResponseHandler taskOperationHandler = new BlockingTaskOperationResponseHandler();
taskClient.start(task1.getId(), "krisv", taskOperationHandler);
taskOperationHandler.waitTillDone(1000);
taskOperationHandler = new BlockingTaskOperationResponseHandler();
taskClient.complete(task1.getId(), "krisv", null, taskOperationHandler);
taskOperationHandler.waitTillDone(1000);
Thread.sleep(1000);
//john Load screen
taskSummaryHandler = new BlockingTaskSummaryResponseHandler();
List<String> groups = new ArrayList<String>();
groups.add("FP");
taskClient.getTasksAssignedAsPotentialOwner("mary", groups, "en-UK", taskSummaryHandler);
TaskSummary task2 = taskSummaryHandler.getResults().get(0);
System.out.println("mary executing task " + task2.getName() + "(" + task2.getId() + ": " + task2.getDescription() + ")");
taskOperationHandler = new BlockingTaskOperationResponseHandler();
taskClient.claim(task2.getId(), "mary", groups, taskOperationHandler);
taskOperationHandler.waitTillDone(1000);
taskOperationHandler = new BlockingTaskOperationResponseHandler();
taskClient.start(task2.getId(), "mary", taskOperationHandler);
taskOperationHandler.waitTillDone(1000);
taskOperationHandler = new BlockingTaskOperationResponseHandler();
taskClient.complete(task2.getId(), "mary", null, taskOperationHandler);
taskOperationHandler.waitTillDone(1000);
Thread.sleep(1000);
logger.close();
} catch (Throwable t)
{
t.printStackTrace();
}
}
private static KnowledgeBase readKnowledgeBase() throws Exception
{
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(ResourceFactory.newClassPathResource("Capture.bpmn"), ResourceType.BPMN2);
return kbuilder.newKnowledgeBase();
}
private static class SystemEventListener implements org.drools.SystemEventListener
{
public void debug(String arg0) {
}
public void debug(String arg0, Object arg1) {
}
public void exception(Throwable arg0) {
}
public void exception(String arg0, Throwable arg1) {
}
public void info(String arg0) {
}
public void info(String arg0, Object arg1) {
}
public void warning(String arg0) {
}
public void warning(String arg0, Object arg1) {
}
}
} |
And here with my bpmn xml...
|| *Header 1* ||
| <?xml version="1.0" encoding="UTF-8"?>
<definitions id="Definition"
targetNamespace="http://www.jboss.org/drools"
typeLanguage="http://www.java.com/javaTypes"
expressionLanguage="http://www.mvel.org/2.0"
xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.omg.org/spec/BPMN/20100524/MODEL BPMN20.xsd"
xmlns:g="http://www.jboss.org/drools/flow/gpd"
xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI"
xmlns:dc="http://www.omg.org/spec/DD/20100524/DC"
xmlns:di="http://www.omg.org/spec/DD/20100524/DI"
xmlns:tns="http://www.jboss.org/drools">
<itemDefinition id="_employeeItem" />
<itemDefinition id="_detailsItem" />
<itemDefinition id="_loadScreenItem" />
<itemDefinition id="_LogOnItem" />
<itemDefinition id="_commentItem" />
<itemDefinition id="_contentParamItem" structureRef="java.util.HashMap" />
<itemDefinition id="_dateItem" />
<itemDefinition id="_contentItem" structureRef="java.util.HashMap" />
<process processType="Private" isExecutable="true" id="com.jbpm.process.captureProcess" name="Capture" tns:packageName="defaultPackage" >
<!-- process variables -->
<property id="employee" itemSubjectRef="_employeeItem"/>
<property id="details" itemSubjectRef="_detailsItem"/>
<property id="loadScreen" itemSubjectRef="_loadScreenItem"/>
<property id="LogOn" itemSubjectRef="_LogOnItem"/>
<property id="comment" itemSubjectRef="_commentItem"/>
<property id="contentParam" itemSubjectRef="_contentParamItem"/>
<property id="date" itemSubjectRef="_dateItem"/>
<property id="content" itemSubjectRef="_contentItem"/>
<!-- nodes -->
<startEvent id="_1" name="Start" />
<userTask id="_2" name="Click link" >
<extensionElements>
<tns:onEntry-script scriptFormat="http://www.java.com/java">
<script>System.out.println("Starting Process");
contentParam=new java.util.HashMap();
contentParam.put("employee",employee);
contentParam.put("comment",comment);
kcontext.setVariable("contentParam",contentParam);</script>
</tns:onEntry-script>
</extensionElements>
<ioSpecification>
<dataInput id="_2_contentInput" name="content" />
<dataInput id="_2_CommentInput" name="Comment" />
<dataInput id="_2_SkippableInput" name="Skippable" />
<dataInput id="_2_TaskNameInput" name="TaskName" />
<dataInput id="_2_ContentInput" name="Content" />
<dataInput id="_2_PriorityInput" name="Priority" />
<dataOutput id="_2_commentOutput" name="comment" />
<inputSet>
<dataInputRefs>_2_contentInput</dataInputRefs>
<dataInputRefs>_2_CommentInput</dataInputRefs>
<dataInputRefs>_2_SkippableInput</dataInputRefs>
<dataInputRefs>_2_TaskNameInput</dataInputRefs>
<dataInputRefs>_2_ContentInput</dataInputRefs>
<dataInputRefs>_2_PriorityInput</dataInputRefs>
</inputSet>
<outputSet>
<dataOutputRefs>_2_commentOutput</dataOutputRefs>
</outputSet>
</ioSpecification>
<dataInputAssociation>
<sourceRef>contentParam</sourceRef>
<targetRef>_2_contentInput</targetRef>
</dataInputAssociation>
<dataInputAssociation>
<targetRef>_2_CommentInput</targetRef>
<assignment>
<from xsi:type="tFormalExpression">Click to load screen</from>
<to xsi:type="tFormalExpression">_2_CommentInput</to>
</assignment>
</dataInputAssociation>
<dataInputAssociation>
<targetRef>_2_SkippableInput</targetRef>
<assignment>
<from xsi:type="tFormalExpression">false</from>
<to xsi:type="tFormalExpression">_2_SkippableInput</to>
</assignment>
</dataInputAssociation>
<dataInputAssociation>
<targetRef>_2_TaskNameInput</targetRef>
<assignment>
<from xsi:type="tFormalExpression">Load Screen Link</from>
<to xsi:type="tFormalExpression">_2_TaskNameInput</to>
</assignment>
</dataInputAssociation>
<dataInputAssociation>
<targetRef>_2_ContentInput</targetRef>
<assignment>
<from xsi:type="tFormalExpression"></from>
<to xsi:type="tFormalExpression">_2_ContentInput</to>
</assignment>
</dataInputAssociation>
<dataInputAssociation>
<targetRef>_2_PriorityInput</targetRef>
<assignment>
<from xsi:type="tFormalExpression"></from>
<to xsi:type="tFormalExpression">_2_PriorityInput</to>
</assignment>
</dataInputAssociation>
<dataOutputAssociation>
<sourceRef>_2_commentOutput</sourceRef>
<targetRef>comment</targetRef>
</dataOutputAssociation>
<potentialOwner>
<resourceAssignmentExpression>
<formalExpression>#{employee}</formalExpression>
</resourceAssignmentExpression>
</potentialOwner>
</userTask>
<userTask id="_3" name="First Screen" >
<extensionElements>
<tns:onEntry-script scriptFormat="http://www.java.com/java">
<script>System.out.println("Starting Process");</script>
</tns:onEntry-script>
</extensionElements>
<ioSpecification>
<dataInput id="_3_commentInput" name="comment" />
<dataInput id="_3_TaskNameInput" name="TaskName" />
<dataInput id="_3_GroupIdInput" name="GroupId" />
<inputSet>
<dataInputRefs>_3_commentInput</dataInputRefs>
<dataInputRefs>_3_TaskNameInput</dataInputRefs>
<dataInputRefs>_3_GroupIdInput</dataInputRefs>
</inputSet>
<outputSet>
</outputSet>
</ioSpecification>
<dataInputAssociation>
<sourceRef>comment</sourceRef>
<targetRef>_3_commentInput</targetRef>
</dataInputAssociation>
<dataInputAssociation>
<targetRef>_3_TaskNameInput</targetRef>
<assignment>
<from xsi:type="tFormalExpression">FirstScreen</from>
<to xsi:type="tFormalExpression">_3_TaskNameInput</to>
</assignment>
</dataInputAssociation>
<dataInputAssociation>
<targetRef>_3_GroupIdInput</targetRef>
<assignment>
<from xsi:type="tFormalExpression">FP</from>
<to xsi:type="tFormalExpression">_3_GroupIdInput</to>
</assignment>
</dataInputAssociation>
<potentialOwner>
<resourceAssignmentExpression>
<formalExpression>mary</formalExpression>
</resourceAssignmentExpression>
</potentialOwner>
</userTask>
<endEvent id="_6" name="End" >
<terminateEventDefinition/>
</endEvent>
<scriptTask id="_7" name="Script" >
<script>System.out.println("Go to Next");</script>
</scriptTask>
<!-- connections -->
<sequenceFlow id="_1-_2" sourceRef="_1" targetRef="_2" />
<sequenceFlow id="_2-_3" sourceRef="_2" targetRef="_3" />
<sequenceFlow id="_7-_6" sourceRef="_7" targetRef="_6" />
<sequenceFlow id="_3-_7" sourceRef="_3" targetRef="_7" />
</process>
<bpmndi:BPMNDiagram>
<bpmndi:BPMNPlane bpmnElement="com.jbpm.process.captureProcess" >
<bpmndi:BPMNShape bpmnElement="_1" >
<dc:Bounds x="14" y="104" width="48" height="48" />
</bpmndi:BPMNShape>
<bpmndi:BPMNShape bpmnElement="_2" >
<dc:Bounds x="146" y="104" width="100" height="48" />
</bpmndi:BPMNShape>
<bpmndi:BPMNShape bpmnElement="_3" >
<dc:Bounds x="295" y="105" width="100" height="48" />
</bpmndi:BPMNShape>
<bpmndi:BPMNShape bpmnElement="_6" >
<dc:Bounds x="608" y="106" width="48" height="48" />
</bpmndi:BPMNShape>
<bpmndi:BPMNShape bpmnElement="_7" >
<dc:Bounds x="460" y="108" width="80" height="48" />
</bpmndi:BPMNShape>
<bpmndi:BPMNEdge bpmnElement="_1-_2" >
<di:waypoint x="38" y="128" />
<di:waypoint x="196" y="128" />
</bpmndi:BPMNEdge>
<bpmndi:BPMNEdge bpmnElement="_2-_3" >
<di:waypoint x="196" y="128" />
<di:waypoint x="345" y="129" />
</bpmndi:BPMNEdge>
<bpmndi:BPMNEdge bpmnElement="_7-_6" >
<di:waypoint x="500" y="132" />
<di:waypoint x="632" y="130" />
</bpmndi:BPMNEdge>
<bpmndi:BPMNEdge bpmnElement="_3-_7" >
<di:waypoint x="345" y="129" />
<di:waypoint x="500" y="132" />
</bpmndi:BPMNEdge>
</bpmndi:BPMNPlane>
</bpmndi:BPMNDiagram>
</definitions> |
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