/**
* Locate/Activate the connection
*
* @return Mad_Model_ConnectionAdapter_Abstract
*/
public static function retrieveConnection()
{
// already have active connection
if (self::$_activeConnection) {
$conn = self::$_activeConnection;
// connection based on spec
} elseif ($spec = self::$_connectionSpec) {
if (empty($spec['logger'])) {
$spec['logger'] = self::logger();
}
$adapter = Horde_Db_Adapter::getInstance($spec);
$conn = self::$_activeConnection = $adapter;
}
if (empty($conn)) {
throw new Mad_Model_Exception("Connection Not Established");
}
return $conn;
}
