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refactoring cache class.

This commit is contained in:
Taylor Otwell 2011-07-07 23:07:44 -05:00
parent 22c1353cea
commit 8203bd9af5
1 changed files with 11 additions and 13 deletions
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24
system/cache.php
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@ -10,7 +10,10 @@ class Cache {
private static $drivers = array(); private static $drivers = array();
/** /**
* Get a cache driver instance. Cache drivers are singletons. * Get a cache driver instance. If no driver name is specified, the default
* cache driver will be returned as defined in the cache configuration file.
*
* Note: Cache drivers are managed as singleton instances.
* *
* @param string $driver * @param string $driver
* @return Cache\Driver * @return Cache\Driver
@ -22,12 +25,9 @@ public static function driver($driver = null)
$driver = Config::get('cache.driver'); $driver = Config::get('cache.driver');
} }
if ( ! array_key_exists($driver, static::$drivers)) return (array_key_exists($driver, static::$drivers))
{ ? static::$drivers[$driver]
static::$drivers[$driver] = Cache\Factory::make($driver); : static::$drivers[$driver] = Cache\Factory::make($driver);
}
return static::$drivers[$driver];
} }
/** /**
@ -40,9 +40,7 @@ public static function driver($driver = null)
*/ */
public static function get($key, $default = null, $driver = null) public static function get($key, $default = null, $driver = null)
{ {
$item = static::driver($driver)->get($key); if (is_null($item = static::driver($driver)->get($key)))
if (is_null($item))
{ {
return is_callable($default) ? call_user_func($default) : $default; return is_callable($default) ? call_user_func($default) : $default;
} }
@ -51,8 +49,8 @@ public static function get($key, $default = null, $driver = null)
} }
/** /**
* Get an item from the cache. If it doesn't exist, store the default value * Get an item from the cache. If the item doesn't exist in the cache, store
* in the cache and return it. * the default value in the cache and return it.
* *
* @param string $key * @param string $key
* @param mixed $default * @param mixed $default
@ -60,7 +58,7 @@ public static function get($key, $default = null, $driver = null)
* @param string $driver * @param string $driver
* @return mixed * @return mixed
*/ */
public static function maybe($key, $default, $minutes, $driver = null) public static function remember($key, $default, $minutes, $driver = null)
{ {
if ( ! is_null($item = static::get($key))) if ( ! is_null($item = static::get($key)))
{ {