Examples with TaskListener org.camunda.bpm.engine.delegate.TaskListener used on opensource projects

Example 16 with TaskListener

use of org.camunda.bpm.engine.delegate.TaskListener in project camunda-bpm-platform by camunda.

the class ProcessApplicationEventListenerDelegate method notifyTaskListener.

protected void notifyTaskListener(DelegateTask task) throws Exception {
    ProcessApplicationReference processApp = Context.getCurrentProcessApplication();
    try {
        ProcessApplicationInterface processApplication = processApp.getProcessApplication();
        TaskListener taskListener = processApplication.getTaskListener();
        if (taskListener != null) {
            taskListener.notify(task);
        } else {
            LOG.paDoesNotProvideTaskListener(processApp.getName());
        }
    } catch (ProcessApplicationUnavailableException e) {
        // Process Application unavailable => ignore silently
        LOG.cannotInvokeListenerPaUnavailable(processApp.getName(), e);
    }
}

Example 17 with TaskListener

use of org.camunda.bpm.engine.delegate.TaskListener in project camunda-bpm-platform by camunda.

the class HumanTaskPlanItemHandlerTest method testAssignmentTaskListenerByDelegateExpression.

@Test
public void testAssignmentTaskListenerByDelegateExpression() {
    // given:
    ExtensionElements extensionElements = addExtensionElements(humanTask);
    CamundaTaskListener taskListener = createElement(extensionElements, null, CamundaTaskListener.class);
    String delegateExpression = "${myDelegateExpression}";
    String event = TaskListener.EVENTNAME_ASSIGNMENT;
    taskListener.setCamundaEvent(event);
    taskListener.setCamundaDelegateExpression(delegateExpression);
    // when
    CmmnActivity activity = handler.handleElement(planItem, context);
    // then
    assertEquals(0, activity.getListeners().size());
    HumanTaskActivityBehavior behavior = (HumanTaskActivityBehavior) activity.getActivityBehavior();
    TaskDefinition taskDefinition = behavior.getTaskDefinition();
    assertNotNull(taskDefinition);
    assertEquals(1, taskDefinition.getTaskListeners().size());
    List<TaskListener> createListeners = taskDefinition.getTaskListeners(event);
    assertEquals(1, createListeners.size());
    TaskListener listener = createListeners.get(0);
    assertTrue(listener instanceof DelegateExpressionTaskListener);
    DelegateExpressionTaskListener delegateExpressionListener = (DelegateExpressionTaskListener) listener;
    assertEquals(delegateExpression, delegateExpressionListener.getExpressionText());
    assertTrue(delegateExpressionListener.getFieldDeclarations().isEmpty());
}

Example 18 with TaskListener

use of org.camunda.bpm.engine.delegate.TaskListener in project camunda-bpm-platform by camunda.

the class HumanTaskPlanItemHandlerTest method testCompleteTaskListenerByDelegateExpression.

@Test
public void testCompleteTaskListenerByDelegateExpression() {
    // given:
    ExtensionElements extensionElements = addExtensionElements(humanTask);
    CamundaTaskListener taskListener = createElement(extensionElements, null, CamundaTaskListener.class);
    String delegateExpression = "${myDelegateExpression}";
    String event = TaskListener.EVENTNAME_COMPLETE;
    taskListener.setCamundaEvent(event);
    taskListener.setCamundaDelegateExpression(delegateExpression);
    // when
    CmmnActivity activity = handler.handleElement(planItem, context);
    // then
    assertEquals(0, activity.getListeners().size());
    HumanTaskActivityBehavior behavior = (HumanTaskActivityBehavior) activity.getActivityBehavior();
    TaskDefinition taskDefinition = behavior.getTaskDefinition();
    assertNotNull(taskDefinition);
    assertEquals(1, taskDefinition.getTaskListeners().size());
    List<TaskListener> createListeners = taskDefinition.getTaskListeners(event);
    assertEquals(1, createListeners.size());
    TaskListener listener = createListeners.get(0);
    assertTrue(listener instanceof DelegateExpressionTaskListener);
    DelegateExpressionTaskListener delegateExpressionListener = (DelegateExpressionTaskListener) listener;
    assertEquals(delegateExpression, delegateExpressionListener.getExpressionText());
    assertTrue(delegateExpressionListener.getFieldDeclarations().isEmpty());
}

Example 19 with TaskListener

use of org.camunda.bpm.engine.delegate.TaskListener in project camunda-bpm-platform by camunda.

the class HumanTaskPlanItemHandlerTest method testCompleteTaskListenerByExpression.

@Test
public void testCompleteTaskListenerByExpression() {
    // given:
    ExtensionElements extensionElements = addExtensionElements(humanTask);
    CamundaTaskListener taskListener = createElement(extensionElements, null, CamundaTaskListener.class);
    String expression = "${myExpression}";
    String event = TaskListener.EVENTNAME_COMPLETE;
    taskListener.setCamundaEvent(event);
    taskListener.setCamundaExpression(expression);
    // when
    CmmnActivity activity = handler.handleElement(planItem, context);
    // then
    assertEquals(0, activity.getListeners().size());
    HumanTaskActivityBehavior behavior = (HumanTaskActivityBehavior) activity.getActivityBehavior();
    TaskDefinition taskDefinition = behavior.getTaskDefinition();
    assertNotNull(taskDefinition);
    assertEquals(1, taskDefinition.getTaskListeners().size());
    List<TaskListener> createListeners = taskDefinition.getTaskListeners(event);
    assertEquals(1, createListeners.size());
    TaskListener listener = createListeners.get(0);
    assertTrue(listener instanceof ExpressionTaskListener);
    ExpressionTaskListener expressionListener = (ExpressionTaskListener) listener;
    assertEquals(expression, expressionListener.getExpressionText());
}

Example 20 with TaskListener

use of org.camunda.bpm.engine.delegate.TaskListener in project camunda-bpm-platform by camunda.

the class BpmnParse method parseTaskListener.

protected TaskListener parseTaskListener(Element taskListenerElement) {
    TaskListener taskListener = null;
    String className = taskListenerElement.attribute(PROPERTYNAME_CLASS);
    String expression = taskListenerElement.attribute(PROPERTYNAME_EXPRESSION);
    String delegateExpression = taskListenerElement.attribute(PROPERTYNAME_DELEGATE_EXPRESSION);
    Element scriptElement = taskListenerElement.elementNS(CAMUNDA_BPMN_EXTENSIONS_NS, "script");
    if (className != null) {
        taskListener = new ClassDelegateTaskListener(className, parseFieldDeclarations(taskListenerElement));
    } else if (expression != null) {
        taskListener = new ExpressionTaskListener(expressionManager.createExpression(expression));
    } else if (delegateExpression != null) {
        taskListener = new DelegateExpressionTaskListener(expressionManager.createExpression(delegateExpression), parseFieldDeclarations(taskListenerElement));
    } else if (scriptElement != null) {
        try {
            ExecutableScript executableScript = parseCamundaScript(scriptElement);
            if (executableScript != null) {
                taskListener = new ScriptTaskListener(executableScript);
            }
        } catch (BpmnParseException e) {
            addError(e);
        }
    } else {
        addError("Element 'class', 'expression', 'delegateExpression' or 'script' is mandatory on taskListener", taskListenerElement);
    }
    return taskListener;
}