How does \Magento\ConfigurableProduct\Model\Product\Type\Configurable::getConfigurableAttributeCollection() work?

dmitry_fedyuk · April 30, 2016, 8:27pm

Context: How does \Magento\ConfigurableProduct\Helper\Product\Options\Loader::load() work?

magento/magento2/blob/958164/app/code/Magento/ConfigurableProduct/Model/Product/Type/Configurable.php#L470-L479


/**
 * Retrieve configurable attribute collection
 *
 * @param \Magento\Catalog\Model\Product $product
 * @return \Magento\ConfigurableProduct\Model\ResourceModel\Product\Type\Configurable\Attribute\Collection
 */
public function getConfigurableAttributeCollection(\Magento\Catalog\Model\Product $product)
{
    return $this->_attributeCollectionFactory->create()->setProductFilter($product);
}

github.com

magento/magento2/blob/958164/app/code/Magento/ConfigurableProduct/Model/ResourceModel/Product/Type/Configurable/Attribute/Collection.php#L106-L117


/**
 * Set Product filter (Configurable)
 *
 * @param \Magento\Catalog\Model\Product $product
 * @return $this
 */
public function setProductFilter($product)
{
    $metadata = $this->getMetadataPool()->getMetadata(ProductInterface::class);
    $this->_product = $product;
    return $this->addFieldToFilter('product_id', $product->getData($metadata->getLinkField()));
}