/**
* Deletes a group from the system.
*
* @param group the group to delete.
*/
public void deleteGroup(Group group) {
// Fire event.
GroupEventDispatcher.dispatchEvent(
group, GroupEventDispatcher.EventType.group_deleting, Collections.emptyMap());
// Delete the group.
provider.deleteGroup(group.getName());
// Expire all relevant caches.
groupCache.remove(group.getName());
}
