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Make all cache drivers singleton instances

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This commit is contained in:
Kijin Sung 2016-04-24 16:30:20 +09:00
parent 9b71df6a01
commit 2227e0d278
10 changed files with 164 additions and 40 deletions
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31
common/framework/drivers/cache/sqlite.php vendored
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@ -14,6 +14,11 @@ class SQLite implements \Rhymix\Framework\Drivers\CacheInterface
*/
public $prefix = false;
/**
* The singleton instance is stored here.
*/
protected static $_instance = null;
/**
* The database handle and prepared statements are stored here.
*/
@ -21,12 +26,9 @@ class SQLite implements \Rhymix\Framework\Drivers\CacheInterface
protected $_ps = array();
/**
* Create a new instance of the current cache driver, using the given settings.
*
* @param array $config
* @return void
* Direct invocation of the constructor is not permitted.
*/
public function __construct(array $config)
protected function __construct()
{
$dir = \RX_BASEDIR . 'files/cache/store';
if (!Storage::isDirectory($dir))
@ -63,6 +65,21 @@ class SQLite implements \Rhymix\Framework\Drivers\CacheInterface
$this->_dbh->exec('PRAGMA synchronous = OFF');
}
/**
* Create a new instance of the current cache driver, using the given settings.
*
* @param array $config
* @return void
*/
public static function getInstance(array $config)
{
if (self::$_instance === null)
{
self::$_instance = new self();
}
return self::$_instance;
}
/**
* Check if the current cache driver is supported on this server.
*
@ -70,9 +87,9 @@ class SQLite implements \Rhymix\Framework\Drivers\CacheInterface
*
* @return bool
*/
public function isSupported()
public static function isSupported()
{
return class_exists('\\SQLite3', false) && config('crypto.authentication_key');
return class_exists('\\SQLite3', false) && config('crypto.authentication_key') !== null;
}
/**