Eccube\Entity\Product::getUpdateDate PHP Method

    public function getUpdateDate()
    {
        return $this->update_date;
    }

 /**
  * {@inheritDoc}
  */
 public function getUpdateDate()
 {
     $this->__initializer__ && $this->__initializer__->__invoke($this, 'getUpdateDate', array());
     return parent::getUpdateDate();
 }