/**
* Return attribute collection for current Product Attribute Set
*
* @return Mage_GoogleBase_Model_Mysql4_Attribute_Collection
*/
protected function _getAttributesCollection()
{
$registry = AO::registry(self::ATTRIBUTES_REGISTRY_KEY);
$attributeSetId = $this->getProduct()->getAttributeSetId();
if (is_array($registry) && isset($registry[$attributeSetId])) {
return $registry[$attributeSetId];
}
$collection = AO::getResourceModel('googlebase/attribute_collection')->addAttributeSetFilter($attributeSetId, $this->getTargetCountry())->load();
$registry[$attributeSetId] = $collection;
AO::unregister(self::ATTRIBUTES_REGISTRY_KEY);
AO::register(self::ATTRIBUTES_REGISTRY_KEY, $registry);
return $collection;
}
