How does \Magento\Eav\Model\Entity\AbstractEntity::getDefaultAttributes() work?

dmitry_fedyuk · April 23, 2016, 7:26pm

Context: How does \Magento\Eav\Model\Entity\AttributeLoader::loadAllAttributes() work?

magento/magento2/blob/958164/app/code/Magento/Eav/Model/Entity/AbstractEntity.php#L1830-L1841


/**
 * Retrieve default entity static attributes
 *
 * @return string[]
 */
public function getDefaultAttributes()
{
    return array_unique(array_merge(
        $this->_getDefaultAttributes(),
        [$this->getEntityIdField(), $this->getLinkField()]
    ));
}

github.com

magento/magento2/blob/958164/app/code/Magento/Eav/Model/Entity/AbstractEntity.php#L1820-L1828


/**
 * Retrieve default entity attributes
 *
 * @return string[]
 */
protected function _getDefaultAttributes()
{
    return ['entity_type_id', 'attribute_set_id', 'created_at', 'updated_at', 'parent_id', 'increment_id'];
}

github.com

magento/magento2/blob/958164/app/code/Magento/Catalog/Model/ResourceModel/Product.php#L157-L165


/**
 * Default product attributes
 *
 * @return string[]
 */
protected function _getDefaultAttributes()
{
    return $this->defaultAttributes->getDefaultAttributes();
}

github.com

magento/magento2/blob/958164/app/code/Magento/Catalog/Model/Product/Attribute/DefaultAttributes.php#L10-L25


/**
* Product default attributes provider
*
* @codeCoverageIgnore
*/
class DefaultAttributes implements ProviderInterface
{
   /**
    * Retrieve default entity static attributes
    *
    * @return string[]
    */
   public function getDefaultAttributes()
   {
       return ['entity_id', 'attribute_set_id', 'type_id', 'created_at', 'updated_at', 'sku'];
   }

github.com

magento/magento2/blob/958164/app/code/Magento/Eav/Model/Entity/AbstractEntity.php#L741-L756


/**
 * Get entity id field name in entity table
 *
 * @return string
 */
public function getEntityIdField()
{
    if (!$this->_entityIdField) {
        $this->_entityIdField = $this->getEntityType()->getEntityIdField();
        if (!$this->_entityIdField) {
            $this->_entityIdField = \Magento\Eav\Model\Entity::DEFAULT_ENTITY_ID_FIELD;
        }
    }


    return $this->_entityIdField;
}

github.com

magento/magento2/blob/958164/app/code/Magento/Eav/Model/Entity/AbstractEntity.php#L722-L739


/**
 * Get link id
 *
 * @return string
 */
public function getLinkField()
{
    if (!$this->linkIdField) {
        $indexList = $this->getConnection()->getIndexList($this->getEntityTable());
        $pkName = $this->getConnection()->getPrimaryKeyName($this->getEntityTable());
        $this->linkIdField = $indexList[$pkName]['COLUMNS_LIST'][0];
        if (!$this->linkIdField) {
            $this->linkIdField = $this->getEntityIdField();
        }
    }


    return $this->linkIdField;
}

dmitry_fedyuk · April 23, 2016, 7:31pm