- public Collection<DocumentType> getDocumentTypes() {
- return Collections.unmodifiableCollection(documentTypes.values());
+ public Collection<Id<DocumentType>> getDocumentTypes() {
+ return Collections.unmodifiableCollection(documentTypes.keySet());
+ }
+
+ @Override
+ public DocumentType getDocumentType(Id<DocumentType> aId) {
+ return documentTypes.get(aId);