How does \Magento\ConfigurableProduct\Model\Product\ReadHandler::getLinkedProducts() work?

dmitry_fedyuk · April 30, 2016, 2:13pm

Context: How does \Magento\ConfigurableProduct\Model\Product\ReadHandler::execute() work?

magento/magento2/blob/958164/app/code/Magento/ConfigurableProduct/Model/Product/ReadHandler.php#L56-L65


/**
 * Get linked to configurable simple products
 *
 * @param ProductInterface $product
 * @return int[]
 */
private function getLinkedProducts(ProductInterface $product)
{
    /** @var Configurable $typeInstance */
    $typeInstance = $product->getTypeInstance();

Details: How does \Magento\Catalog\Model\Product::getTypeInstance() work?

github.com

magento/magento2/blob/958164/app/code/Magento/ConfigurableProduct/Model/Product/ReadHandler.php#L66-L66


$childrenIds = $typeInstance->getChildrenIds($product->getId());

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

github.com

magento/magento2/blob/958164/app/code/Magento/ConfigurableProduct/Model/Product/ReadHandler.php#L68-L72


if (isset($childrenIds[0])) {
    return $childrenIds[0];
} else {
    return [];
}