/**
* Add a ResourceComparator to this Sort ResourceCollection. If multiple ResourceComparators are
* added, they will be processed in LIFO order.
*
* @param c the ResourceComparator to add.
*/
public synchronized void add(ResourceComparator c) {
if (isReference()) {
throw noChildrenAllowed();
}
comp.add(c);
FailFast.invalidate(this);
}
/**
* Add a ResourceSelector.
*
* @param s the ResourceSelector to add.
*/
public synchronized void add(ResourceSelector s) {
if (s == null) {
return;
}
super.add(s);
FailFast.invalidate(this);
}