Reorganized folders under framework. This may break existing applications.

1 files changed, 0 insertions, 256 deletions

diff --git a/framework/Data/TMemCache.php b/framework/Data/TMemCache.php
deleted file mode 100644
index c71de1de..00000000
--- a/framework/Data/TMemCache.php
+++ /dev/null
@@ -1,256 +0,0 @@
-<?php

-/**

- * TMemCache class file

- *

- * @author Qiang Xue <qiang.xue@gmail.com>

- * @link http://www.pradosoft.com/

- * @copyright Copyright &copy; 2005 PradoSoft

- * @license http://www.pradosoft.com/license/

- * @version $Revision: $  $Date: $

- * @package System.Data

- */

-

-/**

- * TMemCache class

- *

- * TMemCache implements a cache application module based on {@link http://www.danga.com/memcached/ memcached}.

- *

- * TMemCache can be configured with the Host and Port properties, which

- * specify the host and port of the memcache server to be used.

- * By default, they take the value 'localhost' and 11211, respectively.

- * These properties must be set before {@link init} is invoked.

- *

- * The following basic cache operations are implemented:

- * - {@link get} : retrieve the value with a key (if any) from cache

- * - {@link set} : store the value with a key into cache

- * - {@link add} : store the value only if cache does not have this key

- * - {@link replace} : store the value only if cache has this key

- * - {@link delete} : delete the value with the specified key from cache

- * - {@link flush} : delete all values from cache

- *

- * Each value is associated with an expiration time. The {@link get} operation

- * ensures that any expired value will not be returned. The expiration time can

- * be specified by the number of seconds (maximum 60*60*24*30)

- * or a UNIX timestamp. A expiration time 0 represents never expire.

- *

- * By definition, cache does not ensure the existence of a value

- * even if it never expires. Cache is not meant to be an persistent storage.

- *

- * Also note, there is no security measure to protected data in memcache.

- * All data in memcache can be accessed by any process running in the system.

- *

- * To use this module, the memcache PHP extension must be loaded.

- *

- * Some usage examples of TMemCache are as follows,

- * <code>

- * $cache=new TMemCache;  // TMemCache may also be loaded as a Prado application module

- * $cache->init(null);

- * $cache->add('object',$object);

- * $object2=$cache->get('object');

- * </code>

- *

- * If loaded, TMemCache will register itself with {@link TApplication} as the

- * cache module. It can be accessed via {@link TApplication::getCache()}.

- *

- * TMemCache may be configured in application configuration file as follows

- * <module id="cache" type="System.Data.TMemCache" Host="localhost" Port=11211 />

- * where {@link getHost Host} and {@link getPort Port} are configurable properties

- * of TMemCache.

- *

- * @author Qiang Xue <qiang.xue@gmail.com>

- * @version $Revision: $  $Date: $

- * @package System.Data

- * @since 3.0

- */

-class TMemCache extends TModule implements ICache

-{

-	/**

-	 * @var boolean if the module is initialized

-	 */

-	private $_initialized=false;

-	/**

-	 * @var Memcache the Memcache instance

-	 */

-	private $_cache=null;

-	/**

-	 * @var string a unique prefix used to identify this cache instance from the others

-	 */

-	private $_prefix=null;

-	/**

-	 * @var string host name of the memcache server

-	 */

-	private $_host='localhost';

-	/**

-	 * @var integer the port number of the memcache server

-	 */

-	private $_port=11211;

-

-	/**

-	 * Destructor.

-	 * Disconnect the memcache server.

-	 */

-	public function __destruct()

-	{

-		if($this->_cache!==null)

-			$this->_cache->close();

-	}

-

-	/**

-	 * Initializes this module.

-	 * This method is required by the IModule interface. It makes sure that

-	 * UniquePrefix has been set, creates a Memcache instance and connects

-	 * to the memcache server.

-	 * @param TApplication Prado application, can be null

-	 * @param TXmlElement configuration for this module, can be null

-	 * @throws TConfigurationException if memcache extension is not installed or memcache sever connection fails

-	 */

-	public function init($config)

-	{

-		if(!extension_loaded('memcache'))

-			throw new TConfigurationException('memcache_extension_required');

-		$this->_cache=new Memcache;

-		if($this->_cache->connect($this->_host,$this->_port)===false)

-			throw new TConfigurationException('memcache_connection_failed',$this->_host,$this->_port);

-		$application=$this->getApplication();

-		$this->_prefix=$application->getUniqueID();

-		$application->setCache($this);

-		$this->_initialized=true;

-	}

-

-	/**

-	 * @return string host name of the memcache server

-	 */

-	public function getHost()

-	{

-		return $this->_host;

-	}

-

-	/**

-	 * @param string host name of the memcache server

-	 * @throws TInvalidOperationException if the module is already initialized

-	 */

-	public function setHost($value)

-	{

-		if($this->_initialized)

-			throw new TInvalidOperationException('memcache_host_unchangeable');

-		else

-			$this->_host=$value;

-	}

-

-	/**

-	 * @return integer port number of the memcache server

-	 */

-	public function getPort()

-	{

-		return $this->_port;

-	}

-

-	/**

-	 * @param integer port number of the memcache server

-	 * @throws TInvalidOperationException if the module is already initialized

-	 */

-	public function setPort($value)

-	{

-		if($this->_initialized)

-			throw new TInvalidOperationException('memcache_port_unchangeable');

-		else

-			$this->_port=TPropertyValue::ensureInteger($value);

-	}

-

-	/**

-	 * Retrieves a value from cache with a specified key.

-	 * @return mixed the value stored in cache, false if the value is not in the cache or expired.

-	 */

-	public function get($key)

-	{

-		return $this->_cache->get($this->generateUniqueKey($key));

-	}

-

-	/**

-	 * Stores a value identified by a key into cache.

-	 * If the cache already contains such a key, the existing value and

-	 * expiration time will be replaced with the new ones.

-	 *

-	 * Note, avoid using this method whenever possible. Database insertion is

-	 * very expensive. Try using {@link add} instead, which will not store the value

-	 * if the key is already in cache.

-	 *

-	 * @param string the key identifying the value to be cached

-	 * @param mixed the value to be cached

-	 * @param integer the expiration time of the value,

-	 *        0 means never expire,

-	 *        a number less or equal than 60*60*24*30 means the number of seconds that the value will remain valid.

-	 *        a number greater than 60*60*24*30 means a UNIX timestamp after which the value will expire.

-	 * @return boolean true if the value is successfully stored into cache, false otherwise

-	 */

-	public function set($key,$value,$expire=0)

-	{

-		return $this->_cache->set($this->generateUniqueKey($key),$value,0,$expire);

-	}

-

-	/**

-	 * Stores a value identified by a key into cache if the cache does not contain this key.

-	 * Nothing will be done if the cache already contains the key.

-	 * @param string the key identifying the value to be cached

-	 * @param mixed the value to be cached

-	 * @param integer the expiration time of the value,

-	 *        0 means never expire,

-	 *        a number less or equal than 60*60*24*30 means the number of seconds that the value will remain valid.

-	 *        a number greater than 60*60*24*30 means a UNIX timestamp after which the value will expire.

-	 * @return boolean true if the value is successfully stored into cache, false otherwise

-	 */

-	public function add($key,$value,$expiry=0)

-	{

-		return $this->_cache->add($this->generateUniqueKey($key),$value,0,$expiry);

-	}

-

-	/**

-	 * Stores a value identified by a key into cache only if the cache contains this key.

-	 * The existing value and expiration time will be overwritten with the new ones.

-	 * @param string the key identifying the value to be cached

-	 * @param mixed the value to be cached

-	 * @param integer the expiration time of the value,

-	 *        0 means never expire,

-	 *        a number less or equal than 60*60*24*30 means the number of seconds that the value will remain valid.

-	 *        a number greater than 60*60*24*30 means a UNIX timestamp after which the value will expire.

-	 * @return boolean true if the value is successfully stored into cache, false otherwise

-	 */

-	public function replace($key,$value,$expiry=0)

-	{

-		return $this->_cache->replace($this->generateUniqueKey($key),$value,0,$expiry);

-	}

-

-	/**

-	 * Deletes a value with the specified key from cache

-	 * @param string the key of the value to be deleted

-	 * @return boolean if no error happens during deletion

-	 */

-	public function delete($key)

-	{

-		return $this->_cache->delete($this->generateUniqueKey($key));

-	}

-

-	/**

-	 * Deletes all values from cache.

-	 * Be careful of performing this operation if the cache is shared by multiple applications.

-	 */

-	public function flush()

-	{

-		return $this->_cache->flush();

-	}

-

-	/**

-	 * Generates a unique key based on a given user key.

-	 * This method generates a unique key with the memcache.

-	 * The key is made unique by prefixing with a unique string that is supposed

-	 * to be unique among applications using the same memcache.

-	 * @param string user key

-	 * @param string a unique key

-	 */

-	protected function generateUniqueKey($key)

-	{

-		return md5($this->_prefix.$key);

-	}

-}

-

-?>
\ No newline at end of file