Examples with Signal org.jbpm.bpmn2.core.Signal used on opensource projects

Example 1 with Signal

use of org.jbpm.bpmn2.core.Signal in project jbpm by kiegroup.

the class ExceptionHandlingSignalExample method runExample.

public static void runExample() {
    // load up the knowledge base
    RuntimeManager manager = createManager();
    KieSession ksession = manager.getRuntimeEngine(null).getKieSession();
    String eventType = "exception-signal";
    SignallingTaskHandlerDecorator signallingTaskWrapper = new SignallingTaskHandlerDecorator(ServiceTaskHandler.class, eventType);
    signallingTaskWrapper.setWorkItemExceptionParameterName(ExceptionService.exceptionParameterName);
    ksession.getWorkItemManager().registerWorkItemHandler("Service Task", signallingTaskWrapper);
    Map<String, Object> params = new HashMap<String, Object>();
    params.put("serviceInputItem", "Input to Original Service");
    ksession.startProcess("ProcessWithExceptionHandlingSignal", params);
    manager.close();
}

Example 2 with Signal

use of org.jbpm.bpmn2.core.Signal in project jbpm by kiegroup.

the class IntermediateEventTest method testEventTypesLifeCycle.

@Test
@RequirePersistence
public void testEventTypesLifeCycle() throws Exception {
    // JBPM-4246
    KieBase kbase = createKnowledgeBase("BPMN2-IntermediateCatchSignalBetweenUserTasks.bpmn2");
    EntityManagerFactory separateEmf = Persistence.createEntityManagerFactory("org.jbpm.persistence.jpa");
    Environment env = createEnvironment(separateEmf);
    ksession = createKnowledgeSession(kbase, null, env);
    ksession.getWorkItemManager().registerWorkItemHandler("Human Task", new DoNothingWorkItemHandler());
    ksession.startProcess("BPMN2-IntermediateCatchSignalBetweenUserTasks");
    int signalListSize = ksession.execute(new ExecutableCommand<Integer>() {

        public Integer execute(Context context) {
            SingleSessionCommandService commandService = (SingleSessionCommandService) ((CommandBasedStatefulKnowledgeSession) ksession).getRunner();
            InternalKnowledgeRuntime kruntime = (InternalKnowledgeRuntime) commandService.getKieSession();
            ProcessPersistenceContextManager contextManager = (ProcessPersistenceContextManager) kruntime.getEnvironment().get(EnvironmentName.PERSISTENCE_CONTEXT_MANAGER);
            ProcessPersistenceContext pcontext = contextManager.getProcessPersistenceContext();
            List<Long> processInstancesToSignalList = pcontext.getProcessInstancesWaitingForEvent("MySignal");
            return processInstancesToSignalList.size();
        }
    });
    // Process instance is not waiting for signal
    assertThat(signalListSize).isEqualTo(0);
    ksession.getWorkItemManager().completeWorkItem(1, null);
    signalListSize = ksession.execute(new ExecutableCommand<Integer>() {

        public Integer execute(Context context) {
            SingleSessionCommandService commandService = (SingleSessionCommandService) ((CommandBasedStatefulKnowledgeSession) ksession).getRunner();
            InternalKnowledgeRuntime kruntime = (InternalKnowledgeRuntime) commandService.getKieSession();
            ProcessPersistenceContextManager contextManager = (ProcessPersistenceContextManager) kruntime.getEnvironment().get(EnvironmentName.PERSISTENCE_CONTEXT_MANAGER);
            ProcessPersistenceContext pcontext = contextManager.getProcessPersistenceContext();
            List<Long> processInstancesToSignalList = pcontext.getProcessInstancesWaitingForEvent("MySignal");
            return processInstancesToSignalList.size();
        }
    });
    // Process instance is waiting for signal now
    assertThat(signalListSize).isEqualTo(1);
    ksession.signalEvent("MySignal", null);
    signalListSize = ksession.execute(new ExecutableCommand<Integer>() {

        public Integer execute(Context context) {
            SingleSessionCommandService commandService = (SingleSessionCommandService) ((CommandBasedStatefulKnowledgeSession) ksession).getRunner();
            InternalKnowledgeRuntime kruntime = (InternalKnowledgeRuntime) commandService.getKieSession();
            ProcessPersistenceContextManager contextManager = (ProcessPersistenceContextManager) kruntime.getEnvironment().get(EnvironmentName.PERSISTENCE_CONTEXT_MANAGER);
            ProcessPersistenceContext pcontext = contextManager.getProcessPersistenceContext();
            List<Long> processInstancesToSignalList = pcontext.getProcessInstancesWaitingForEvent("MySignal");
            return processInstancesToSignalList.size();
        }
    });
    // Process instance is not waiting for signal
    assertThat(signalListSize).isEqualTo(0);
    ksession.getWorkItemManager().completeWorkItem(2, null);
    ksession.dispose();
    ksession = null;
    separateEmf.close();
}

Example 3 with Signal

use of org.jbpm.bpmn2.core.Signal in project jbpm by kiegroup.

the class IntermediateEventTest method testIntermediateCatchEventSignalAndBoundarySignalEvent.

@Test
public void testIntermediateCatchEventSignalAndBoundarySignalEvent() throws Exception {
    KieBase kbase = createKnowledgeBase("BPMN2-BoundaryEventWithSignals.bpmn2");
    ksession = createKnowledgeSession(kbase);
    TestWorkItemHandler handler = new TestWorkItemHandler();
    ksession.getWorkItemManager().registerWorkItemHandler("Human Task", handler);
    ProcessInstance processInstance = ksession.startProcess("boundaryeventtest");
    assertProcessInstanceActive(processInstance);
    ksession = restoreSession(ksession, true);
    ksession.getWorkItemManager().registerWorkItemHandler("Human Task", handler);
    // now signal process instance
    ksession.signalEvent("moveon", "", processInstance.getId());
    assertProcessInstanceActive(processInstance);
    WorkItem wi = handler.getWorkItem();
    assertThat(wi).isNotNull();
    // signal boundary event on user task
    ksession.signalEvent("moveon", "", processInstance.getId());
    assertProcessInstanceFinished(processInstance, ksession);
}

Example 4 with Signal

use of org.jbpm.bpmn2.core.Signal in project jbpm by kiegroup.

the class IntermediateEventTest method testThrowIntermediateSignalWithExternalScope.

@Test
public void testThrowIntermediateSignalWithExternalScope() throws Exception {
    KieBase kbase = createKnowledgeBase("BPMN2-IntermediateThrowEventExternalScope.bpmn2");
    ksession = createKnowledgeSession(kbase);
    TestWorkItemHandler handler = new TestWorkItemHandler();
    WorkItemHandler externalHandler = new WorkItemHandler() {

        @Override
        public void executeWorkItem(WorkItem workItem, WorkItemManager manager) {
            String signal = (String) workItem.getParameter("Signal");
            ksession.signalEvent(signal, null);
            manager.completeWorkItem(workItem.getId(), null);
        }

        @Override
        public void abortWorkItem(WorkItem workItem, WorkItemManager manager) {
        }
    };
    ksession.getWorkItemManager().registerWorkItemHandler("Human Task", handler);
    ksession.getWorkItemManager().registerWorkItemHandler("External Send Task", externalHandler);
    Map<String, Object> params = new HashMap<String, Object>();
    ProcessInstance processInstance = ksession.startProcess("intermediate-event-scope", params);
    assertProcessInstanceActive(processInstance);
    assertNodeActive(processInstance.getId(), ksession, "Complete work", "Wait");
    List<WorkItem> items = handler.getWorkItems();
    assertThat(items.size()).isEqualTo(1);
    WorkItem wi = items.get(0);
    Map<String, Object> result = new HashMap<String, Object>();
    result.put("_output", "sending event");
    ksession.getWorkItemManager().completeWorkItem(wi.getId(), result);
    assertProcessInstanceCompleted(processInstance);
}

Example 5 with Signal

use of org.jbpm.bpmn2.core.Signal in project jbpm by kiegroup.

the class FlowTest method testInclusiveSplitAndJoinExtraPath.

@Test
public void testInclusiveSplitAndJoinExtraPath() throws Exception {
    KieBase kbase = createKnowledgeBase("BPMN2-InclusiveSplitAndJoinExtraPath.bpmn2");
    ksession = createKnowledgeSession(kbase);
    TestWorkItemHandler workItemHandler = new TestWorkItemHandler();
    ksession.getWorkItemManager().registerWorkItemHandler("Human Task", workItemHandler);
    Map<String, Object> params = new HashMap<String, Object>();
    params.put("x", 25);
    ProcessInstance processInstance = ksession.startProcess("com.sample.test", params);
    ksession.signalEvent("signal", null);
    List<WorkItem> activeWorkItems = workItemHandler.getWorkItems();
    assertEquals(4, activeWorkItems.size());
    ksession = restoreSession(ksession, true);
    for (int i = 0; i < 3; i++) {
        ksession.getWorkItemManager().completeWorkItem(activeWorkItems.get(i).getId(), null);
    }
    assertProcessInstanceActive(processInstance);
    ksession.getWorkItemManager().completeWorkItem(activeWorkItems.get(3).getId(), null);
    assertProcessInstanceFinished(processInstance, ksession);
}