private boolean isValidNamespace(MGeneralizableElement gen, MNamespace ns) {
Iterator it = gen.getParents().iterator();
while (it.hasNext()) {
MGeneralizableElement gen2 = (MGeneralizableElement) it.next();
if (!ns.getOwnedElements().contains(gen2)) {
return false;
}
}
return true;
}
/**
* Gets the generalization between two generalizable elements. Returns null if there is none.
*
* @param child
* @param parent
* @return MGeneralization
*/
public MGeneralization getGeneralization(
MGeneralizableElement child, MGeneralizableElement parent) {
if (child == null || parent == null) return null;
Iterator it = child.getGeneralizations().iterator();
while (it.hasNext()) {
MGeneralization gen = (MGeneralization) it.next();
if (gen.getParent() == parent) {
return gen;
}
}
return null;
}
/**
* Returns all elements that extend some class clazz.
*
* @param clazz
* @return Collection
*/
public Collection getExtendingElements(MGeneralizableElement clazz) {
if (clazz == null) return new ArrayList();
Iterator it = clazz.getSpecializations().iterator();
List list = new ArrayList();
while (it.hasNext()) {
MGeneralization gen = (MGeneralization) it.next();
MGeneralizableElement client = gen.getChild();
if (client != null) {
list.add(client);
}
}
return list;
}
/**
* Returns all classes some generalizable element clazz extends.
*
* @param clazz
* @return Collection
*/
public Collection getExtendedClassifiers(MGeneralizableElement clazz) {
if (clazz == null) return new ArrayList();
Iterator it = clazz.getGeneralizations().iterator();
List list = new ArrayList();
while (it.hasNext()) {
MGeneralization gen = (MGeneralization) it.next();
MGeneralizableElement parent = gen.getParent();
if (parent != null) {
list.add(parent);
}
}
return list;
}