Alexander Makarov
8 years ago
12 changed files with 2 additions and 186 deletions
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<?php |
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/** |
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* @link http://www.yiiframework.com/ |
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* @copyright Copyright (c) 2008 Yii Software LLC |
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* @license http://www.yiiframework.com/license/ |
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*/ |
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namespace yii\caching; |
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/** |
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* XCache provides XCache caching in terms of an application component. |
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* |
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* To use this application component, the [XCache PHP extension](http://xcache.lighttpd.net/) must be loaded. |
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* Also note that the [[flush()]] functionality will work correctly only if "xcache.admin.enable_auth" |
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* is set to "Off" in php.ini. |
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* |
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* See [[Cache]] for common cache operations that XCache supports. |
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* |
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* @author Qiang Xue <qiang.xue@gmail.com> |
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* @since 2.0 |
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*/ |
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class XCache extends Cache |
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{ |
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/** |
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* Checks whether a specified key exists in the cache. |
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* This can be faster than getting the value from the cache if the data is big. |
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* Note that this method does not check whether the dependency associated |
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* with the cached data, if there is any, has changed. So a call to [[get]] |
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* may return false while exists returns true. |
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* @param mixed $key a key identifying the cached value. This can be a simple string or |
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* a complex data structure consisting of factors representing the key. |
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* @return boolean true if a value exists in cache, false if the value is not in the cache or expired. |
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*/ |
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public function exists($key) |
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{ |
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$key = $this->buildKey($key); |
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return xcache_isset($key); |
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} |
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/** |
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* Retrieves a value from cache with a specified key. |
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* This is the implementation of the method declared in the parent class. |
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* @param string $key a unique key identifying the cached value |
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* @return string|boolean the value stored in cache, false if the value is not in the cache or expired. |
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*/ |
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protected function getValue($key) |
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{ |
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return xcache_isset($key) ? xcache_get($key) : false; |
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} |
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/** |
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* Stores a value identified by a key in cache. |
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* This is the implementation of the method declared in the parent class. |
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* |
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* @param string $key the key identifying the value to be cached |
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* @param string $value the value to be cached |
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* @param integer $duration the number of seconds in which the cached value will expire. 0 means never expire. |
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* @return boolean true if the value is successfully stored into cache, false otherwise |
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*/ |
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protected function setValue($key, $value, $duration) |
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{ |
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return xcache_set($key, $value, $duration); |
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} |
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/** |
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* Stores a value identified by a key into cache if the cache does not contain this key. |
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* This is the implementation of the method declared in the parent class. |
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* |
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* @param string $key the key identifying the value to be cached |
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* @param string $value the value to be cached |
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* @param integer $duration the number of seconds in which the cached value will expire. 0 means never expire. |
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* @return boolean true if the value is successfully stored into cache, false otherwise |
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*/ |
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protected function addValue($key, $value, $duration) |
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{ |
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return !xcache_isset($key) ? $this->setValue($key, $value, $duration) : false; |
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} |
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/** |
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* Deletes a value with the specified key from cache |
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* This is the implementation of the method declared in the parent class. |
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* @param string $key the key of the value to be deleted |
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* @return boolean if no error happens during deletion |
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*/ |
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protected function deleteValue($key) |
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{ |
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return xcache_unset($key); |
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} |
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/** |
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* Deletes all values from cache. |
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* This is the implementation of the method declared in the parent class. |
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* @return boolean whether the flush operation was successful. |
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*/ |
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protected function flushValues() |
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{ |
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for ($i = 0, $max = xcache_count(XC_TYPE_VAR); $i < $max; $i++) { |
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if (xcache_clear_cache(XC_TYPE_VAR, $i) === false) { |
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return false; |
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} |
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} |
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return true; |
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} |
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} |
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@ -1,30 +0,0 @@
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<?php |
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namespace yiiunit\framework\caching; |
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use yii\caching\XCache; |
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/** |
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* Class for testing xcache backend |
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* @group xcache |
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* @group caching |
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*/ |
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class XCacheTest extends CacheTestCase |
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{ |
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private $_cacheInstance = null; |
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/** |
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* @return XCache |
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*/ |
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protected function getCacheInstance() |
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{ |
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if (!function_exists("xcache_isset")) { |
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$this->markTestSkipped("XCache not installed. Skipping."); |
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} |
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if ($this->_cacheInstance === null) { |
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$this->_cacheInstance = new XCache(); |
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} |
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return $this->_cacheInstance; |
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} |
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} |
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@ -1,30 +0,0 @@
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<?php |
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namespace yiiunit\framework\caching; |
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use yii\caching\ZendDataCache; |
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/** |
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* Class for testing Zend cache backend |
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* @group zenddata |
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* @group caching |
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*/ |
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class ZendDataCacheTest extends CacheTestCase |
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{ |
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private $_cacheInstance = null; |
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/** |
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* @return ZendDataCache |
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*/ |
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protected function getCacheInstance() |
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{ |
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if (!function_exists("zend_shm_cache_store")) { |
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$this->markTestSkipped("Zend Data cache not installed. Skipping."); |
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} |
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if ($this->_cacheInstance === null) { |
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$this->_cacheInstance = new ZendDataCache(); |
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} |
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return $this->_cacheInstance; |
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} |
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} |
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