Examples with ExpressionTaskListener org.camunda.bpm.engine.impl.task.listener.ExpressionTaskListener used on opensource projects

Example 1 with ExpressionTaskListener

use of org.camunda.bpm.engine.impl.task.listener.ExpressionTaskListener in project camunda-bpm-platform by camunda.

the class HumanTaskItemHandler method initializeTaskListener.

protected TaskListener initializeTaskListener(CmmnElement element, CmmnActivity activity, CmmnHandlerContext context, CamundaTaskListener listener) {
    Collection<CamundaField> fields = listener.getCamundaFields();
    List<FieldDeclaration> fieldDeclarations = initializeFieldDeclarations(element, activity, context, fields);
    ExpressionManager expressionManager = context.getExpressionManager();
    TaskListener taskListener = null;
    String className = listener.getCamundaClass();
    String expression = listener.getCamundaExpression();
    String delegateExpression = listener.getCamundaDelegateExpression();
    CamundaScript scriptElement = listener.getCamundaScript();
    if (className != null) {
        taskListener = new ClassDelegateTaskListener(className, fieldDeclarations);
    } else if (expression != null) {
        Expression expressionExp = expressionManager.createExpression(expression);
        taskListener = new ExpressionTaskListener(expressionExp);
    } else if (delegateExpression != null) {
        Expression delegateExp = expressionManager.createExpression(delegateExpression);
        taskListener = new DelegateExpressionTaskListener(delegateExp, fieldDeclarations);
    } else if (scriptElement != null) {
        ExecutableScript executableScript = initializeScript(element, activity, context, scriptElement);
        if (executableScript != null) {
            taskListener = new ScriptTaskListener(executableScript);
        }
    }
    return taskListener;
}

Example 2 with ExpressionTaskListener

use of org.camunda.bpm.engine.impl.task.listener.ExpressionTaskListener in project camunda-bpm-platform by camunda.

the class HumanTaskPlanItemHandlerTest method testDeleteTaskListenerByExpression.

@Test
public void testDeleteTaskListenerByExpression() {
    // given:
    ExtensionElements extensionElements = addExtensionElements(humanTask);
    CamundaTaskListener taskListener = createElement(extensionElements, null, CamundaTaskListener.class);
    String expression = "${myExpression}";
    String event = TaskListener.EVENTNAME_DELETE;
    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 3 with ExpressionTaskListener

use of org.camunda.bpm.engine.impl.task.listener.ExpressionTaskListener in project camunda-bpm-platform by camunda.

the class HumanTaskPlanItemHandlerTest method testAssignmentTaskListenerByExpression.

@Test
public void testAssignmentTaskListenerByExpression() {
    // given:
    ExtensionElements extensionElements = addExtensionElements(humanTask);
    CamundaTaskListener taskListener = createElement(extensionElements, null, CamundaTaskListener.class);
    String expression = "${myExpression}";
    String event = TaskListener.EVENTNAME_ASSIGNMENT;
    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 4 with ExpressionTaskListener

use of org.camunda.bpm.engine.impl.task.listener.ExpressionTaskListener in project camunda-bpm-platform by camunda.

the class HumanTaskPlanItemHandlerTest method testCreateTaskListenerByExpression.

@Test
public void testCreateTaskListenerByExpression() {
    // given:
    ExtensionElements extensionElements = addExtensionElements(humanTask);
    CamundaTaskListener taskListener = createElement(extensionElements, null, CamundaTaskListener.class);
    String expression = "${myExpression}";
    String event = TaskListener.EVENTNAME_CREATE;
    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 5 with ExpressionTaskListener

use of org.camunda.bpm.engine.impl.task.listener.ExpressionTaskListener 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());
}