public IReason updateNeeded(IUpdateContext context) {
    // retrieve name from pictogram model
    String pictogramName = null;
    PictogramElement pictogramElement = context.getPictogramElement();
    if (pictogramElement instanceof ContainerShape) {
      ContainerShape cs = (ContainerShape) pictogramElement;
      for (Shape shape : cs.getChildren()) {
        if (shape.getGraphicsAlgorithm() instanceof Text) {
          Text text = (Text) shape.getGraphicsAlgorithm();
          pictogramName = text.getValue();
        }
      }
    }

    // retrieve name from business model
    String businessName = null;
    Object bo = getBusinessObjectForPictogramElement(pictogramElement);
    if (bo instanceof EClass) {
      EClass eClass = (EClass) bo;
      businessName = eClass.getName();
    }

    // update needed, if names are different
    boolean updateNameNeeded =
        ((pictogramName == null && businessName != null)
            || (pictogramName != null && !pictogramName.equals(businessName)));
    if (updateNameNeeded) {
      return Reason.createTrueReason("Name is out of date");
    } else {
      return Reason.createFalseReason();
    }
  }
  @Override
  public IReason updateNeeded(IUpdateContext context) {
    if (!canUpdate(context)) {
      return Reason.createFalseReason();
    }

    ContainerShape cs = (ContainerShape) context.getPictogramElement();
    Reference reference = (Reference) getBusinessObjectForPictogramElement(cs);

    // make sure the component still exists in the model
    if (!GraphitiInternal.getEmfService().isObjectAlive(reference)) {
      return Reason.createTrueReason(
          String.format("Reference {0} has been removed.", reference.getName()));
    }

    // retrieve name from pictogram model
    String pictogramName = null;
    Text foundText = GraphitiUtil.findChildGA(cs.getGraphicsAlgorithm(), Text.class);
    if (foundText != null) {
      pictogramName = foundText.getValue();
    }

    // update needed, if names are different
    String businessName = reference.getName();
    boolean updateNameNeeded =
        ((pictogramName == null && businessName != null)
            || (pictogramName != null && !pictogramName.contentEquals(businessName)));
    if (updateNameNeeded) {
      return Reason.createTrueReason("Reference name is out of date");
    }

    // check the wiring
    final Set<Contract> existingConnections = getExistingConnections(cs);
    for (ComponentReference promotedReference : reference.getPromote()) {
      if (promotedReference != null && !existingConnections.remove(promotedReference)) {
        return Reason.createTrueReason("Update connections.");
      }
    }

    if (existingConnections.size() > 0) {
      return Reason.createTrueReason("Update connections.");
    }

    return Reason.createFalseReason();
  }
  @Override
  public IReason updateNeeded(IUpdateContext context) {

    if (isDecoratorChanged(context, getFeatureProvider())) {
      return Reason.createTrueReason("Decorator changed");
    } else {
      return Reason.createFalseReason();
    }
  }