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