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Handle Human Task with custom HumanTaskHandler
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created by <a href="https://community.jboss.org/people/lauradp">Laura delli Paoli</a> in <i>jBPM</i> - <a href="https://community.jboss.org/message/778526#778526">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hello everybody, </p><p>I was trying to run a human task with a custom handler, but my handler doesn't work.</p><p> Can anyone help me?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Laura</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>public class TestHumanTask {</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>          public static final void main(String[] args) throws Exception {</p><p>                    startUp();</p><p>                    // load up the knowledge base</p><p>                    KnowledgeBase kbase = readKnowledgeBase();</p><p>                    StatefulKnowledgeSession ksession = JBPMHelper.newStatefulKnowledgeSession(kbase);</p><p>                    //StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();</p><p>                    CommandHumanTaskHandler handler = new CommandHumanTaskHandler();</p><p>                    ksession.getWorkItemManager().registerWorkItemHandler("RunAction", handler);</p><p>                    //params</p><p>  </p><p>                    // start a new process instance</p><p>                    ksession.startProcess("com.sample.bpmn.hello");</p><p>                    System.out.println("Process started ...");</p><p>          }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </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("sample.bpmn"), ResourceType.BPMN2);</p><p>                    return kbuilder.newKnowledgeBase();</p><p>          }</p><p>  </p><p>          private static void startUp() {</p><p>                    JBPMHelper.startH2Server();</p><p>                    JBPMHelper.setupDataSource();</p><p>                    // please comment this line if you already have the task service running,</p><p>                    // for example when running the jbpm-installer</p><p>                    JBPMHelper.startTaskService();</p><p>          }</p><p>  </p><p>}</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>public class CommandHumanTaskHandler extends HumanTaskHandler{</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>          private static final long serialVersionUID = 1L;</p><p>  </p><p>          public CommandHumanTaskHandler () {</p><p>                    super();</p><p>                    System.out.println("NEW");</p><p>          }</p><p>  </p><p>          public void executeWorkItem(WorkItem workItem, WorkItemManager manager) {</p><p>                    //super.executeWorkItem(workItem, manager);</p><p>                    System.out.println("executing....");</p><p>                    manager.completeWorkItem(workItem.getId(), null);</p><p>          }</p><p>  </p><p>          public void complete(WorkItem workItem,  Map<String,Object> results){</p><p>                    System.out.println("Completing...");</p><p>  </p><p>                    //super.complete(workItem, results);</p><p>          }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>          @Override</p><p>          public void abortWorkItem(WorkItem arg0, WorkItemManager arg1) {</p><p>                    // TODO Auto-generated method stub</p><p>                    System.out.println("Aborting....");</p><p>          }</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>}</p></div>
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