/**
* Gets Bf_Product for this Bf_ProductRatePlan.
* @return Bf_Product
*/
public function getProduct()
{
// if this is just a model made on our end, we might not the serialized product yet
// alternatively: newer BillForward may omit serialized product and necessitate a fetch
if (!$this->product) {
if (!$this->productID) {
throw new Bf_PreconditionFailedException("This Bf_ProductRatePlan has neither a 'product' specified, nor a 'productID' by which to obtain said product.");
}
$this->product = Bf_Product::getByID($this->productID);
}
return $this->product;
}
