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<?php
/**
* Piwik - Open source web analytics
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html Gpl v3 or later
* @version $Id$
*
* @category Piwik
* @package Piwik
*/
/**
* @package Piwik
*/
class Piwik_Db
{
/**
* Get adapter class name
*
* @param string $adapterName
* @return string
*/
private static function getAdapterClassName($adapterName)
{
return 'Piwik_Db_' . str_replace(' ', '_', ucwords(str_replace('_', ' ', strtolower($adapterName))));
}
/**
* Create adapter
*
* @param string $adapterName
* @oaran array $config
* @return mixed (Piwik_Db_Mysqli, Piwik_Db_Pdo_Mysql, etc)
*/
public static function factory($adapterName, $config)
{
$className = self::getAdapterClassName($adapterName);
$adapter = new $className($config);
return $adapter;
}
/**
* Get default port for named adapter
*
* @param string $adapterName
* @return int
*/
public static function getDefaultPortForAdapter($adapterName)
{
$className = self::getAdapterClassName($adapterName);
return call_user_func(array($className, 'getDefaultPort'));
}
/**
* Get list of adapters
*
* @return array
*/
public static function getAdapters()
{
$path = PIWIK_INCLUDE_PATH . '/core/Db';
$pathLength = strlen($path) + 1;
$adapters = Piwik::globr($path, '*.php');
$adapterNames = array();
foreach($adapters as $adapter)
{
$adapterName = str_replace('/', '_', substr($adapter, $pathLength, -strlen('.php')));
$className = 'Piwik_Db_'.$adapterName;
if(call_user_func(array($className, 'isEnabled')))
{
$adapterNames[strtoupper($adapterName)] = call_user_func(array($className, 'getDefaultPort'));
}
}
return $adapterNames;
}
}
interface Piwik_Db_iAdapter
{
/**
* Reset the configuration variables in this adapter.
*/
public function resetConfig();
/**
* Return default port.
*
* @return int
*/
public static function getDefaultPort();
/**
* Check database server version
*
* @throws Exception if database version is less than required version
*/
public function checkServerVersion();
/**
* Returns true if this adapter's required extensions are enabled
*
* @return bool
*/
public static function isEnabled();
/**
* Returns true if this adapter supports blobs as fields
*
* @return bool
*/
public function hasBlobDataType();
/**
* Test error number
*
* @param Exception $e
* @param string $errno
* @return bool
*/
public function isErrNo($e, $errno);
/**
* Is the connection character set equal to utf8?
*
* @return bool
*/
public function isConnectionUTF8();
}
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