/**
* Get all distinct person categories represented by a given person list.
*
* @param personList the person list
* @return a Set of PersonCategory
*/
private Set<PersonCategory> getCategories(List<OrganizationalPerson> personList) {
Set<PersonCategory> categories = new TreeSet<PersonCategory>();
for (OrganizationalPerson person : personList) {
// if person is a key Actor of organizationUnit, it will appear in main Cell, so ignore that
// actor's category
if (!person.isVisibleOnCenter() && person.getVisibleCategory() != null) {
categories.add(person.getVisibleCategory());
}
}
return categories;
}
