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https://github.com/Lastorder-DC/rhymix.git
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Clean up CacheHandler
This commit is contained in:
Kijin Sung
parent
4dbb0239c6
commit
b8b93159e2
1 changed files with 78 additions and 137 deletions
215
classes/cache/CacheHandler.class.php
vendored
215
classes/cache/CacheHandler.class.php
vendored
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@ -8,17 +8,22 @@
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*/
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class CacheHandler extends Handler
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{
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/**
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* Instances are stored here.
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*/
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protected static $_instances = array();
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/**
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* instance of cache handler
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* @var CacheBase
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*/
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var $handler = null;
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protected $handler = null;
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/**
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* Version of key group
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* @var int
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*/
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var $keyGroupVersions = null;
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protected $keyGroupVersions = null;
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/**
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* Get a instance of CacheHandler(for singleton)
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@ -28,14 +33,14 @@ class CacheHandler extends Handler
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* @param boolean $always_use_file If set true, use a file cache always
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* @return CacheHandler
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*/
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function getInstance($target = 'object', $info = null, $always_use_file = false)
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public static function getInstance($target = 'object', $info = null, $always_use_file = false)
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{
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$cache_handler_key = $target . ($always_use_file ? '_file' : '');
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if(!$GLOBALS['__XE_CACHE_HANDLER__'][$cache_handler_key])
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$key = 'object' . ($always_use_file ? '_file' : '');
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if (!isset(self::$_instances[$key]))
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{
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$GLOBALS['__XE_CACHE_HANDLER__'][$cache_handler_key] = new CacheHandler($target, $info, $always_use_file);
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self::$_instances[$key] = new self($target, $info, $always_use_file);
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}
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return $GLOBALS['__XE_CACHE_HANDLER__'][$cache_handler_key];
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return self::$_instances[$key];
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}
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/**
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@ -44,84 +49,53 @@ class CacheHandler extends Handler
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* Do not use this directly. You can use getInstance() instead.
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*
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* @see CacheHandler::getInstance
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* @param string $target type of cache (object|template)
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* @param string $target type of cache (object)
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* @param object $info info. of DB
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* @param boolean $always_use_file If set true, use a file cache always
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* @return CacheHandler
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*/
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function __construct($target, $info = null, $always_use_file = false)
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protected function __construct($target, $info = null, $always_use_file = false)
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{
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if(!$info)
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// Allow using custom cache info for backward compatibility.
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if (is_object($info) && $info->use_object_cache)
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{
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$info = Context::getDBInfo();
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$cache_config = $info->use_object_cache;
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}
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if($info)
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else
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{
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if($target == 'object')
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$cache_config = config('cache');
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if (is_array($cache_config) && count($cache_config))
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{
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if($info->use_object_cache == 'apc')
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{
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$type = 'apc';
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}
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else if(substr($info->use_object_cache, 0, 8) == 'memcache')
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{
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$type = 'memcache';
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$url = $info->use_object_cache;
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}
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else if(substr($info->use_object_cache, 0, 5) == 'redis')
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{
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$type = 'redis';
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$url = $info->use_object_cache;
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}
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else if($info->use_object_cache == 'wincache')
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{
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$type = 'wincache';
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}
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else if($info->use_object_cache == 'file')
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{
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$type = 'file';
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}
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else if($always_use_file)
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{
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$type = 'file';
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}
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}
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else if($target == 'template')
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{
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if($info->use_template_cache == 'apc')
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{
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$type = 'apc';
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}
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else if(substr($info->use_template_cache, 0, 8) == 'memcache')
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{
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$type = 'memcache';
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$url = $info->use_template_cache;
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}
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else if(substr($info->use_template_cache, 0, 5) == 'redis')
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{
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$type = 'redis';
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$url = $info->use_template_cache;
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}
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else if($info->use_template_cache == 'wincache')
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{
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$type = 'wincache';
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}
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}
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if($type)
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{
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$class = 'Cache' . ucfirst($type);
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include_once sprintf('%sclasses/cache/%s.class.php', _XE_PATH_, $class);
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$this->handler = call_user_func(array($class, 'getInstance'), $url);
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$this->keyGroupVersions = $this->handler->get('key_group_versions', 0);
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if(!$this->keyGroupVersions)
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{
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$this->keyGroupVersions = array();
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$this->handler->put('key_group_versions', $this->keyGroupVersions, 0);
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}
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$cache_config = array_first($cache_config);
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}
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}
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// Handle various types of cache backend.
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if (preg_match('/^(apc|memcache|redis|wincache|file)/', strval($cache_config), $matches))
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{
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$type = $matches[1];
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}
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elseif ($always_use_file)
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{
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$type = 'file';
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}
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else
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{
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return;
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}
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// Create an instance of cache backend.
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$class = 'Cache' . ucfirst($type);
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include_once sprintf('%sclasses/cache/%s.class.php', _XE_PATH_, $class);
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$this->handler = $class::getInstance($cache_config);
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// Initialize key group versions.
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$this->keyGroupVersions = $this->handler->get('key_group_versions', 0);
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if(!$this->keyGroupVersions)
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{
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$this->keyGroupVersions = array();
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$this->handler->put('key_group_versions', $this->keyGroupVersions, 0);
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}
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}
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/**
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@ -129,14 +103,9 @@ class CacheHandler extends Handler
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*
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* @return boolean
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*/
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function isSupport()
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public function isSupport()
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{
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if($this->handler && $this->handler->isSupport())
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{
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return true;
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}
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return false;
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return ($this->handler && $this->handler->isSupport());
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}
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/**
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@ -145,11 +114,9 @@ class CacheHandler extends Handler
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* @param string $key The key that will be associated with the item.
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* @return string Returns cache name
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*/
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function getCacheKey($key)
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public function getCacheKey($key)
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{
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$key = str_replace('/', ':', $key);
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return __XE_VERSION__ . ':' . $key;
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return RX_VERSION . ':' . str_replace('/', ':', $key);
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}
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/**
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@ -160,16 +127,9 @@ class CacheHandler extends Handler
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* If stored time is older then modified time, return false.
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* @return false|mixed Return false on failure or older then modified time. Return the string associated with the $key on success.
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*/
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function get($key, $modified_time = 0)
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public function get($key, $modified_time = 0)
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{
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if(!$this->handler)
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{
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return false;
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}
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$key = $this->getCacheKey($key);
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return $this->handler->get($key, $modified_time);
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return $this->handler ? $this->handler->get($this->getCacheKey($key), $modified_time) : false;
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}
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/**
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@ -182,16 +142,9 @@ class CacheHandler extends Handler
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* If no ttl is supplied, use the default valid time.
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* @return bool|void Returns true on success or false on failure. If use CacheFile, returns void.
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*/
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function put($key, $obj, $valid_time = 0)
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public function put($key, $obj, $valid_time = 0)
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{
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if(!$this->handler && !$key)
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{
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return false;
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}
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$key = $this->getCacheKey($key);
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return $this->handler->put($key, $obj, $valid_time);
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return $this->handler ? $this->handler->put($this->getCacheKey($key), $obj, $valid_time) : false;
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}
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/**
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@ -200,16 +153,9 @@ class CacheHandler extends Handler
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* @param string $key Cache key
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* @return void
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*/
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function delete($key)
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public function delete($key)
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{
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if(!$this->handler)
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{
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return false;
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}
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$key = $this->getCacheKey($key);
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return $this->handler->delete($key);
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return $this->handler ? $this->handler->delete($this->getCacheKey($key)) : false;
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}
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/**
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@ -220,16 +166,9 @@ class CacheHandler extends Handler
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* If stored time is older then modified time, the data is invalid.
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* @return bool Return true on valid or false on invalid.
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*/
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function isValid($key, $modified_time)
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public function isValid($key, $modified_time = 0)
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{
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if(!$this->handler)
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{
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return false;
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}
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$key = $this->getCacheKey($key);
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return $this->handler->isValid($key, $modified_time);
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return $this->handler ? $this->handler->isValid($this->getCacheKey($key), $modified_time) : false;
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}
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/**
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@ -237,14 +176,9 @@ class CacheHandler extends Handler
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*
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* @return bool|void Returns true on success or false on failure. If use CacheFile, returns void.
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*/
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function truncate()
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public function truncate()
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{
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if(!$this->handler)
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{
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return false;
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}
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return $this->handler->truncate();
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return $this->handler ? $this->handler->truncate() : false;
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}
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/**
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@ -263,7 +197,7 @@ class CacheHandler extends Handler
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* @param string $key Cache key
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* @return string
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*/
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function getGroupKey($keyGroupName, $key)
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public function getGroupKey($keyGroupName, $key)
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{
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if(!$this->keyGroupVersions[$keyGroupName])
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{
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@ -280,12 +214,11 @@ class CacheHandler extends Handler
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* @param string $keyGroupName Group name
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* @return void
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*/
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function invalidateGroupKey($keyGroupName)
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public function invalidateGroupKey($keyGroupName)
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{
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$this->keyGroupVersions[$keyGroupName]++;
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$this->handler->put('key_group_versions', $this->keyGroupVersions, 0);
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}
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}
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/**
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@ -299,7 +232,7 @@ class CacheBase
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* Default valid time
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* @var int
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*/
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var $valid_time = 36000;
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public $valid_time = 36000;
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/**
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* Get cached data
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@ -309,7 +242,7 @@ class CacheBase
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* If stored time is older then modified time, return false.
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* @return false|mixed Return false on failure or older then modified time. Return the string associated with the $key on success.
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*/
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function get($key, $modified_time = 0)
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public function get($key, $modified_time = 0)
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{
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return false;
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}
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@ -324,10 +257,18 @@ class CacheBase
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* If no ttl is supplied, use the default valid time.
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* @return bool|void Returns true on success or false on failure. If use CacheFile, returns void.
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*/
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function put($key, $obj, $valid_time = 0)
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public function put($key, $obj, $valid_time = 0)
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{
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return false;
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}
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/**
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* Alias of put()
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*/
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public function set($key, $obj, $valid_time = 0)
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{
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return $this->put($key, $obj, $valid_time = 0);
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}
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/**
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* Return whether cache is valid or invalid
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@ -337,7 +278,7 @@ class CacheBase
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* If stored time is older then modified time, the data is invalid.
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* @return bool Return true on valid or false on invalid.
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*/
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function isValid($key, $modified_time = 0)
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public function isValid($key, $modified_time = 0)
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{
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return false;
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}
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@ -347,7 +288,7 @@ class CacheBase
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*
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* @return boolean
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*/
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function isSupport()
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public function isSupport()
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{
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return false;
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}
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@ -357,7 +298,7 @@ class CacheBase
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*
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* @return bool|void Returns true on success or false on failure. If use CacheFile, returns void.
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*/
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function truncate()
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public function truncate()
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{
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return false;
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}
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