/**
* Retrieve connection by $connectionName
*
* @param string $connectionName
* @return \Magento\Framework\DB\Adapter\AdapterInterface
* @throws \DomainException
*/
public function getConnectionByName($connectionName)
{
if (isset($this->connections[$connectionName])) {
return $this->connections[$connectionName];
}
$connectionConfig = $this->deploymentConfig->get(ConfigOptionsListConstants::CONFIG_PATH_DB_CONNECTIONS . '/' . $connectionName);
if ($connectionConfig) {
$connection = $this->connectionFactory->create($connectionConfig);
} else {
throw new \DomainException('Connection "' . $connectionName . '" is not defined');
}
$this->connections[$connectionName] = $connection;
return $connection;
}
