/**
* Return the default Zend\Db\Adapter for this class
*
* @throws ConfigException
* @return Adapter
*/
protected static function getDefaultDb()
{
// Use subclass default db (set via MySubClass::setDefaultDb())
$calledClass = get_called_class();
if (isset(self::$_subclassDefaultDb[$calledClass]) && self::$_subclassDefaultDb[$calledClass]) {
return self::$_subclassDefaultDb[$calledClass];
}
// Use superclass default db
if (static::$_classDefaultDb) {
return static::$_classDefaultDb;
}
// Use global ActiveRecord default db
if ($db = ZendDb::getGlobalDefaultDb()) {
return $db;
}
throw new ConfigException('Please configure a Zend\\Db\\Adapter instance to use with ActiveRecord.');
}
