/**
* @inheritdoc
*/
public function getJson()
{
$serializer = new NostoProductCollectionSerializerJson();
return $serializer->serialize($this);
}
/**
* Returns the whole collection in JSON format.
*
* @return string the json.
* @throws NostoException if the collection is empty.
*/
protected function getCollectionAsJson()
{
if ($this->collection->count() === 0) {
throw new NostoException('No products found in collection.');
}
$serializer = new NostoProductCollectionSerializerJson();
return $serializer->serialize($this->collection);
}
