diff options
Diffstat (limited to 'framework/DataAccess/SQLMap/DataMapper/TSqlMapCache.php')
| -rw-r--r-- | framework/DataAccess/SQLMap/DataMapper/TSqlMapCache.php | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/framework/DataAccess/SQLMap/DataMapper/TSqlMapCache.php b/framework/DataAccess/SQLMap/DataMapper/TSqlMapCache.php deleted file mode 100644 index 4d319869..00000000 --- a/framework/DataAccess/SQLMap/DataMapper/TSqlMapCache.php +++ /dev/null @@ -1,232 +0,0 @@ -<?php
-/**
- * TSqlMapCache class file contains FIFO, LRU, and GLOBAL cache implementations.
- *
- * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
- * @link http://www.pradosoft.com/
- * @copyright Copyright © 2005 PradoSoft
- * @license http://www.pradosoft.com/license/
- * @version $Id$
- * @package System.DataAccess.SQLMap
- */
-
-interface ISqLMapCache
-{
- public function remove($key);
-
- public function flush();
-
- public function get($key);
-
- public function set($key, $value);
-
- public function configure($model, $properties);
-}
-
-/**
- * Allow different implementation of caching strategy. See <tt>TSqlMapFifoCache</tt>
- * for a first-in-first-out implementation. See <tt>TSqlMapLruCache</tt> for
- * a least-recently-used cache implementation.
- *
- * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
- * @version $Id$
- * @package System.DataAccess.SQLMap
- * @since 3.0
- */
-abstract class TSqlMapCache implements ISqlMapCache
-{
- protected $_keyList;
- protected $_cache;
- protected $_cacheSize = 100;
-
- /**
- * Create a new cache with limited cache size.
- * @param integer maxium number of items to cache.
- */
- public function __construct($cacheSize=100)
- {
- $this->_cache = new TMap;
- $this->_cacheSize = intval($cacheSize);
- $this->_keyList = new TList;
- }
-
- /**
- * Configures the Cache Size.
- * @param array list of properties
- */
- public function configure($model, $properties)
- {
- if(isset($properties['size']))
- $this->_cacheSize = intval($properties['size']);
- }
-
- /**
- * @return object the object removed if exists, null otherwise.
- */
- public function remove($key)
- {
- $object = $this->get($key);
- $this->_cache->remove($key);
- $this->_keyList->remove($key);
- return $object;
- }
-
- /**
- * Clears the cache.
- */
- public function flush()
- {
- $this->_keyList->clear();
- $this->_cache->clear();
- }
-
-}
-
-/**
- * First-in-First-out cache implementation, removes
- * object that was first added when the cache is full.
- *
- * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
- * @version $Id$
- * @package System.DataAccess.SQLMap
- * @since 3.0
- */
-class TSqlMapFifoCache extends TSqlMapCache
-{
- /**
- * @return mixed Gets a cached object with the specified key.
- */
- public function get($key)
- {
- return $this->_cache->itemAt($key);
- }
-
- /**
- * Adds an item with the specified key and value into cached data.
- * @param string cache key
- * @param mixed value to cache.
- */
- public function set($key, $value)
- {
- $this->_cache->add($key, $value);
- $this->_keyList->add($key);
- if($this->_keyList->getCount() > $this->_cacheSize)
- {
- $oldestKey = $this->_keyList->removeAt(0);
- $this->_cache->remove($oldestKey);
- }
- }
-}
-
-/**
- * Least recently used cache implementation, removes
- * object that was accessed last when the cache is full.
- *
- * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
- * @version $Id$
- * @package System.DataAccess.SQLMap
- * @since 3.0
- */
-class TSqlMapLruCache extends TSqlMapCache
-{
- /**
- * @return mixed Gets a cached object with the specified key.
- */
- public function get($key)
- {
- if($this->_keyList->contains($key))
- {
- $this->_keyList->remove($key);
- $this->_keyList->add($key);
- return $this->_cache->itemAt($key);
- }
- else
- return null;
- }
-
- /**
- * Adds an item with the specified key and value into cached data.
- * @param string cache key
- * @param mixed value to cache.
- */
- public function set($key, $value)
- {
- $this->_cache->add($key, $value);
- $this->_keyList->add($key);
- if($this->_keyList->getCount() > $this->_cacheSize)
- {
- $oldestKey = $this->_keyList->removeAt(0);
- $this->_cache->remove($oldestKey);
- }
- }
-}
-
-class TSqlMapApplicationCache implements ISqlMapCache
-{
- private $_cache;
- private $_expiry=0;
- private $_property=array();
- private $_cacheModelID;
-
- public function __sleep()
- {
- $this->_cache = null;
- return array_keys(get_object_vars($this));
- }
-
- public function remove($key)
- {
- $this->getCache()->delete($key);
- }
-
- public function flush()
- {
- $this->getCache()->flush();
- }
-
- public function get($key)
- {
- $result = $this->getCache()->get($key);
- return $result === false ? null : $result;
- }
-
- public function set($key, $value)
- {
- $this->getCache()->set($key, $value, $this->_expiry);
- }
-
- public function configure($model, $properties)
- {
- $this->_property = $properties;
- $this->_cacheModelID = $model->getID();
- }
-
- protected function getCache()
- {
- if(is_null($this->_cache))
- $this->initialize();
- return $this->_cache;
- }
-
- protected function initialize()
- {
- if(isset($this->_property['expiry']))
- $this->_expiry = intval($this->_property['expiry']);
-
- if(isset($this->_property['cacheModule']))
- {
- $id = $this->_property['cacheModule'];
- $this->_cache = Prado::getApplication()->getModule($id);
- }
- else
- {
- $this->_cache = Prado::getApplication()->getCache();
- }
-
- if(!($this->_cache instanceof ICache))
- throw new TSqlMapConfigurationException(
- 'sqlmap_invalid_prado_cache', $this->_cacheModelID);
- }
-}
-
-?>
\ No newline at end of file |