How does \Magento\Framework\EntityManager\Db\ReadRow::execute() work?

Development Database

dmitry_fedyuk (Dmitrii Fediuk) April 25, 2016, 12:01pm 1

Context: How does \Magento\Framework\EntityManager\Operation\Read::execute() work?

github.com

magento/magento2/blob/958164/lib/internal/Magento/Framework/EntityManager/Db/ReadRow.php#L41-L48


/**
 * @param string $entityType
 * @param string $identifier
 * @param array $context
 * @return array
 * @throws \Exception
 */
public function execute($entityType, $identifier, $context = [])

github.com

magento/magento2/blob/958164/lib/internal/Magento/Framework/EntityManager/Db/ReadRow.php#L50-L52


$metadata = $this->metadataPool->getMetadata($entityType);
$connection = $this->resourceConnection->getConnectionByName($metadata->getEntityConnectionName());
$metadata = $this->metadataPool->getMetadata($entityType);

Details: How does \Magento\Framework\EntityManager\MetadataPool::getMetadata() work?

github.com

magento/magento2/blob/958164/lib/internal/Magento/Framework/EntityManager/Db/ReadRow.php#L53-L61


$select = $connection->select()
    ->from(['t' => $metadata->getEntityTable()])
    ->where($metadata->getIdentifierField() . ' = ?', $identifier);
foreach ($context as $field => $value) {
    $select->where(
        $connection->quoteIdentifier($field) . ' = ?',
        $value
    );
}

github.com

magento/magento2/blob/958164/lib/internal/Magento/Framework/EntityManager/Db/ReadRow.php#L62-L63


$data = $connection->fetchRow($select);
return $data ?: [];

How does \Magento\Framework\EntityManager\Operation\Read\ReadMain::execute() work?

dmitry_fedyuk (Dmitrii Fediuk) April 25, 2016, 12:12pm 2

See also:

entity-manager-tagged articles