DealEntity::onFieldChange

protected function onFieldChange($name)
{
	if ($name === 'START_DATE')
	{
		if (!($this->recurringFields['START_DATE'] instanceof Date))
		{
			$startDateString = null;
			if (CheckDateTime($this->recurringFields['START_DATE']))
			{
				$startDateString = $this->recurringFields['START_DATE'];
			}
			$startDate = new Date($startDateString);
			$this->setFieldNoDemand('START_DATE', $startDate);
		}
	}

	parent::onFieldChange($name);
}