One class per file: framework/Data

1 files changed, 139 insertions, 0 deletions

diff --git a/framework/Data/SqlMap/DataMapper/TSqlMapApplicationCache.php b/framework/Data/SqlMap/DataMapper/TSqlMapApplicationCache.php
new file mode 100644
index 00000000..bb3cb6c0
--- /dev/null
+++ b/framework/Data/SqlMap/DataMapper/TSqlMapApplicationCache.php
@@ -0,0 +1,139 @@
+<?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 &copy; 2005-2014 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @package System.Data.SqlMap
+ */
+
+/**
+ * TSqlMapApplicationCache uses the default Prado application cache for
+ * caching SqlMap results.
+ *
+ * @author Wei Zhuo <weizho[at]gmail[dot]com>
+ * @package System.Data.SqlMap
+ * @since 3.1
+ */
+class TSqlMapApplicationCache implements ICache
+{
+	protected $_cacheModel=null;
+
+	/**
+	 * Create a new cache with limited cache size.
+	 * @param TSqlMapCacheModel $cacheModel.
+	 */
+	public function __construct($cacheModel=null)
+	{
+		$this->_cacheModel=$cacheModel;
+	}
+
+	/**
+	 *
+	 * @return string a KeyListID for the cache model.
+	 */
+	protected function getKeyListId()
+	{
+		$id='keyList';
+		if ($this->_cacheModel instanceof TSqlMapCacheModel)
+				$id.='_'.$this->_cacheModel->getId();
+		return $id;
+	}
+	/**
+	 * Retreive keylist from cache or create it if it doesn't exists
+	 * @return TList
+	 */
+	protected function getKeyList()
+	{
+		if (($keyList=$this->getCache()->get($this->getKeyListId()))===false)
+		{
+			$keyList=new TList();
+			$this->getCache()->set($this->getKeyListId(), $keyList);
+		}
+		return $keyList;
+	}
+
+	protected function setKeyList($keyList)
+	{
+		$this->getCache()->set($this->getKeyListId(), $keyList);
+	}
+
+	/**
+	 * @param string item to be deleted.
+	 */
+	public function delete($key)
+	{
+		$keyList=$this->getKeyList();
+		$keyList->remove($key);
+		$this->getCache()->delete($key);
+		$this->setKeyList($keyList);
+	}
+
+	/**
+	 * Deletes all items in the cache, only for data cached by sqlmap cachemodel
+	 */
+	public function flush()
+	{
+		$keyList=$this->getKeyList();
+		$cache=$this->getCache();
+		foreach ($keyList as $key)
+		{
+			$cache->delete($key);
+		}
+		// Remove the old keylist
+		$cache->delete($this->getKeyListId());
+	}
+
+	/**
+	 * @return mixed Gets a cached object with the specified key.
+	 */
+	public function get($key)
+	{
+		$result = $this->getCache()->get($key);
+		if ($result === false)
+		{
+			// if the key has not been found in cache (e.g expired), remove from keylist
+			$keyList=$this->getKeyList();
+			if ($keyList->contains($key))
+			{
+				$keyList->remove($key);
+				$this->setKeyList($keyList);
+			}
+		}
+		return $result === false ? null : $result;
+	}
+
+	/**
+	 * Stores a value identified by a key into cache.
+	 * @param string the key identifying the value to be cached
+	 * @param mixed the value to be cached
+	 */
+	public function set($key, $value,$expire=0,$dependency=null)
+	{
+		$this->getCache()->set($key, $value, $expire,$dependency);
+		$keyList=$this->getKeyList();
+		if (!$keyList->contains($key))
+		{
+			$keyList->add($key);
+			$this->setKeyList($keyList);
+		}
+	}
+
+	/**
+	 * @return ICache Application cache instance.
+	 */
+	protected function getCache()
+	{
+		return Prado::getApplication()->getCache();
+	}
+
+	/**
+	 * @throws TSqlMapException not implemented.
+	 */
+	public function add($id,$value,$expire=0,$dependency=null)
+	{
+		throw new TSqlMapException('sqlmap_use_set_to_store_cache');
+	}
+}
\ No newline at end of file