* @param addedNodes
*/
protected void doUpdateIndex(Set<String> removedNodes, Set<String> addedNodes, Set<String> parentRemovedNodes,
Set<String> parentAddedNodes)
{
ChangesHolder changes = searchManager.getChanges(removedNodes, addedNodes);
ChangesHolder parentChanges = parentSearchManager.getChanges(parentRemovedNodes, parentAddedNodes);
if (changes == null && parentChanges == null)
{
return;
}