public function doClearIdentityMap($areYouSure = null)
{
if ($areYouSure !== IModel::I_KNOW_WHAT_I_AM_DOING) {
throw new LogicException('Do not call this method directly. Use IModel::clearIdentityMapAndCaches().');
}
$this->identityMap->destroyAllEntities();
$this->mapper->clearCollectionCache();
}