/**
* Get, or create if there is none, a migration annotation for a group.
*
* @param source the source of the annotation
* @param representation the DRepresentation
* @param eObject the data of the annotation
* @return the annotation entry
*/
public static AnnotationEntry getOrCreateAnnotation(
final String source, final DRepresentation representation, final EObject eObject) {
AnnotationEntry annotation =
new DRepresentationQuery(representation).getAnnotation(source, eObject).get();
if (annotation == null && eObject != null) {
annotation = DescriptionFactory.eINSTANCE.createAnnotationEntry();
annotation.setSource(source);
annotation.setData(eObject);
representation.getOwnedAnnotationEntries().add(annotation);
}
return annotation;
}
/**
* Get the {@link ComputedStyleDescriptionRegistry} of the specified {@link DDiagram}.
*
* @param createIfNotExists true if we want to create a {@link ComputedStyleDescriptionRegistry}
* for the specified {@link DDiagram} if there is not one, false otherwise
* @return the {@link ComputedStyleDescriptionRegistry} of the {@link DDiagram} or null if this
* last has not one
*/
public ComputedStyleDescriptionRegistry getComputedStyleDescriptionRegistry(
boolean createIfNotExists) {
ComputedStyleDescriptionRegistry computedStyleDescriptionRegistry = null;
AnnotationEntry annotationEntry = null;
Collection<AnnotationEntry> annotationEntries =
new DRepresentationQuery(dDiagram)
.getAnnotation(BestStyleDescriptionRegistry.DANNOTATION_CUSTOMIZATION_KEY);
if (annotationEntries == null || annotationEntries.isEmpty()) {
annotationEntry = DescriptionFactory.eINSTANCE.createAnnotationEntry();
annotationEntry.setSource(BestStyleDescriptionRegistry.DANNOTATION_CUSTOMIZATION_KEY);
dDiagram.getOwnedAnnotationEntries().add(annotationEntry);
} else {
annotationEntry = annotationEntries.iterator().next();
}
if (annotationEntry.getData() == null
|| !(annotationEntry.getData() instanceof ComputedStyleDescriptionRegistry)) {
computedStyleDescriptionRegistry =
DiagramFactory.eINSTANCE.createComputedStyleDescriptionRegistry();
annotationEntry.setData(computedStyleDescriptionRegistry);
} else {
computedStyleDescriptionRegistry =
(ComputedStyleDescriptionRegistry) annotationEntry.getData();
}
return computedStyleDescriptionRegistry;
}