protected function doValidate($columns = null)
{
if (!$this->alreadyInValidation) {
$this->alreadyInValidation = true;
$retval = null;
$failureMap = array();
if ($this->asfSimpleCMSPageRelatedByTreeParent !== null) {
if (!$this->asfSimpleCMSPageRelatedByTreeParent->validate($columns)) {
$failureMap = array_merge($failureMap, $this->asfSimpleCMSPageRelatedByTreeParent->getValidationFailures());
}
}
if (($retval = sfSimpleCMSPagePeer::doValidate($this, $columns)) !== true) {
$failureMap = array_merge($failureMap, $retval);
}
if ($this->collsfSimpleCMSSlots !== null) {
foreach ($this->collsfSimpleCMSSlots as $referrerFK) {
if (!$referrerFK->validate($columns)) {
$failureMap = array_merge($failureMap, $referrerFK->getValidationFailures());
}
}
}
$this->alreadyInValidation = false;
}
return !empty($failureMap) ? $failureMap : true;
}