public boolean isParentOf(NodeDescriptor eachNode) {
NodeDescriptor eachParent = eachNode.getParentDescriptor();
while (eachParent != null) {
if (eachParent == this) return true;
eachParent = eachParent.getParentDescriptor();
}
return false;
}
public boolean isAncestorOrSelf(NodeDescriptor selectedNode) {
NodeDescriptor node = selectedNode;
while (node != null) {
if (equals(node)) return true;
node = node.getParentDescriptor();
}
return false;
}
