/**
* Exclude object from result
*
* @param ChildActor $actor Object to remove from the list of results
*
* @return ChildActorQuery The current query, for fluid interface
*/
public function prune($actor = null)
{
if ($actor) {
$this->addUsingAlias(ActorTableMap::ID, $actor->getId(), Criteria::NOT_EQUAL);
}
return $this;
}