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return Reason.createTrueReason("Name is out of date");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return Reason.createTrueReason("Reference name is out of date");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();
}
}