One class per file: framework/Data

14 files changed, 472 insertions, 386 deletions

diff --git a/framework/Data/SqlMap/DataMapper/TInvalidPropertyException.php b/framework/Data/SqlMap/DataMapper/TInvalidPropertyException.php
new file mode 100644
index 00000000..2defaf0f
--- /dev/null
+++ b/framework/Data/SqlMap/DataMapper/TInvalidPropertyException.php
@@ -0,0 +1,19 @@
+<?php
+/**
+ * TSqlMapException is the base exception class for all SqlMap exceptions.
+ *
+ * @author Wei Zhuo <weizho[at]gmail[dot]com>
+ * @package System.Data.SqlMap
+ * @since 3.1
+ */
+
+/**
+ * TInvalidPropertyException, raised when setting or getting an invalid property.
+ *
+ * @author Wei Zhuo <weizho[at]gmail[dot]com>
+ * @package System.Data.SqlMap
+ * @since 3.1
+ */
+class TInvalidPropertyException extends TSqlMapException
+{
+}
\ No newline at end of file
diff --git a/framework/Data/SqlMap/DataMapper/TLazyLoadList.php b/framework/Data/SqlMap/DataMapper/TLazyLoadList.php
index d50c1b84..e0601e44 100644
--- a/framework/Data/SqlMap/DataMapper/TLazyLoadList.php
+++ b/framework/Data/SqlMap/DataMapper/TLazyLoadList.php
@@ -98,44 +98,4 @@ class TLazyLoadList
 			return in_array($method, get_class_methods($this->_innerList));
 		return false;
 	}
-}
-
-/**
- * TObjectProxy sets up a simple object that intercepts method calls to a
- * particular object and relays the call to handler object.
- *
- * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @package System.Data.SqlMap
- * @since 3.1
- */
-class TObjectProxy
-{
-	private $_object;
-	private $_handler;
-
-	/**
-	 * @param object handler to method calls.
-	 * @param object the object to by proxied.
-	 */
-	public function __construct($handler, $object)
-	{
-		$this->_handler = $handler;
-		$this->_object = $object;
-	}
-
-	/**
-	 * Relay the method call to the handler object (if able to be handled), otherwise
-	 * it calls the proxied object's method.
-	 * @param string method name called
-	 * @param array method arguments
-	 * @return mixed method return value.
-	 */
-	public function __call($method,$params)
-	{
-		if($this->_handler->hasMethod($method))
-			return $this->_handler->intercept($method, $params);
-		else
-			return call_user_func_array(array($this->_object, $method), $params);
-	}
-}
-
+}
\ No newline at end of file
diff --git a/framework/Data/SqlMap/DataMapper/TObjectProxy.php b/framework/Data/SqlMap/DataMapper/TObjectProxy.php
new file mode 100644
index 00000000..957c8a8f
--- /dev/null
+++ b/framework/Data/SqlMap/DataMapper/TObjectProxy.php
@@ -0,0 +1,49 @@
+<?php
+/**
+ * TLazyLoadList, TObjectProxy classes file.
+ *
+ * @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
+ */
+
+/**
+ * TObjectProxy sets up a simple object that intercepts method calls to a
+ * particular object and relays the call to handler object.
+ *
+ * @author Wei Zhuo <weizho[at]gmail[dot]com>
+ * @package System.Data.SqlMap
+ * @since 3.1
+ */
+class TObjectProxy
+{
+	private $_object;
+	private $_handler;
+
+	/**
+	 * @param object handler to method calls.
+	 * @param object the object to by proxied.
+	 */
+	public function __construct($handler, $object)
+	{
+		$this->_handler = $handler;
+		$this->_object = $object;
+	}
+
+	/**
+	 * Relay the method call to the handler object (if able to be handled), otherwise
+	 * it calls the proxied object's method.
+	 * @param string method name called
+	 * @param array method arguments
+	 * @return mixed method return value.
+	 */
+	public function __call($method,$params)
+	{
+		if($this->_handler->hasMethod($method))
+			return $this->_handler->intercept($method, $params);
+		else
+			return call_user_func_array(array($this->_object, $method), $params);
+	}
+}
\ No newline at end of file
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
diff --git a/framework/Data/SqlMap/DataMapper/TSqlMapCache.php b/framework/Data/SqlMap/DataMapper/TSqlMapCache.php
index aa853b6c..33a270cd 100644
--- a/framework/Data/SqlMap/DataMapper/TSqlMapCache.php
+++ b/framework/Data/SqlMap/DataMapper/TSqlMapCache.php
@@ -80,211 +80,4 @@ abstract class TSqlMapCache implements ICache
 	{
 		throw new TSqlMapException('sqlmap_use_set_to_store_cache');
 	}
-}
-
-/**
- * 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>
- * @package System.Data.SqlMap
- * @since 3.1
- */
-class TSqlMapFifoCache extends TSqlMapCache
-{
-	/**
-	 * @return mixed Gets a cached object with the specified key.
-	 */
-	public function get($key)
-	{
-		return $this->_cache->itemAt($key);
-	}
-
-	/**
-	 * Stores a value identified by a key into cache.
-	 * The expire and dependency parameters are ignored.
-	 * @param string cache key
-	 * @param mixed value to cache.
-	 */
-	public function set($key, $value,$expire=0,$dependency=null)
-	{
-		$this->_cache->add($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>
- * @package System.Data.SqlMap
- * @since 3.1
- */
-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);
-		}
-	}
-
-	/**
-	 * Stores a value identified by a key into cache.
-	 * The expire and dependency parameters are ignored.
-	 * @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)
-	{
-		$this->_cache->add($key, $value);
-		$this->_keyList->add($key);
-		if($this->_keyList->getCount() > $this->_cacheSize)
-		{
-			$oldestKey = $this->_keyList->removeAt(0);
-			$this->_cache->remove($oldestKey);
-		}
-	}
-}
-
-/**
- * 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
diff --git a/framework/Data/SqlMap/DataMapper/TSqlMapConfigurationException.php b/framework/Data/SqlMap/DataMapper/TSqlMapConfigurationException.php
new file mode 100644
index 00000000..8d5556c8
--- /dev/null
+++ b/framework/Data/SqlMap/DataMapper/TSqlMapConfigurationException.php
@@ -0,0 +1,20 @@
+<?php
+/**
+ * TSqlMapException is the base exception class for all SqlMap exceptions.
+ *
+ * @author Wei Zhuo <weizho[at]gmail[dot]com>
+ * @package System.Data.SqlMap
+ * @since 3.1
+ */
+
+/**
+ * TSqlMapConfigurationException, raised during configuration file parsing.
+ *
+ * @author Wei Zhuo <weizho[at]gmail[dot]com>
+ * @package System.Data.SqlMap
+ * @since 3.1
+ */
+class TSqlMapConfigurationException extends TSqlMapException
+{
+
+}
\ No newline at end of file
diff --git a/framework/Data/SqlMap/DataMapper/TSqlMapDuplicateException.php b/framework/Data/SqlMap/DataMapper/TSqlMapDuplicateException.php
new file mode 100644
index 00000000..008d8f08
--- /dev/null
+++ b/framework/Data/SqlMap/DataMapper/TSqlMapDuplicateException.php
@@ -0,0 +1,19 @@
+<?php
+/**
+ * TSqlMapException is the base exception class for all SqlMap exceptions.
+ *
+ * @author Wei Zhuo <weizho[at]gmail[dot]com>
+ * @package System.Data.SqlMap
+ * @since 3.1
+ */
+
+/**
+ * TSqlMapDuplicateException, raised when a duplicate mapped statement is found.
+ *
+ * @author Wei Zhuo <weizho[at]gmail[dot]com>
+ * @package System.Data.SqlMap
+ * @since 3.1
+ */
+class TSqlMapDuplicateException extends TSqlMapException
+{
+}
\ No newline at end of file
diff --git a/framework/Data/SqlMap/DataMapper/TSqlMapException.php b/framework/Data/SqlMap/DataMapper/TSqlMapException.php
index bce03a5c..720ee7ee 100644
--- a/framework/Data/SqlMap/DataMapper/TSqlMapException.php
+++ b/framework/Data/SqlMap/DataMapper/TSqlMapException.php
@@ -1,5 +1,4 @@
 <?php
-
 /**
  * TSqlMapException is the base exception class for all SqlMap exceptions.
  *
@@ -7,6 +6,7 @@
  * @package System.Data.SqlMap
  * @since 3.1
  */
+
 class TSqlMapException extends TException
 {
 	/**
@@ -56,55 +56,4 @@ class TSqlMapException extends TException
 			$msgFile=$dir.'/messages.txt';
 		return $msgFile;
 	}
-}
-
-/**
- * TSqlMapConfigurationException, raised during configuration file parsing.
- *
- * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @package System.Data.SqlMap
- * @since 3.1
- */
-class TSqlMapConfigurationException extends TSqlMapException
-{
-
-}
-
-/**
- * TSqlMapUndefinedException, raised when mapped statemented are undefined.
- *
- * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @package System.Data.SqlMap
- * @since 3.1
- */
-class TSqlMapUndefinedException extends TSqlMapException
-{
-
-}
-
-/**
- * TSqlMapDuplicateException, raised when a duplicate mapped statement is found.
- *
- * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @package System.Data.SqlMap
- * @since 3.1
- */
-class TSqlMapDuplicateException extends TSqlMapException
-{
-}
-
-/**
- * TInvalidPropertyException, raised when setting or getting an invalid property.
- *
- * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @package System.Data.SqlMap
- * @since 3.1
- */
-class TInvalidPropertyException extends TSqlMapException
-{
-}
-
-class TSqlMapExecutionException extends TSqlMapException
-{
-}
-
+}
\ No newline at end of file
diff --git a/framework/Data/SqlMap/DataMapper/TSqlMapExecutionException.php b/framework/Data/SqlMap/DataMapper/TSqlMapExecutionException.php
new file mode 100644
index 00000000..90896c35
--- /dev/null
+++ b/framework/Data/SqlMap/DataMapper/TSqlMapExecutionException.php
@@ -0,0 +1,12 @@
+<?php
+/**
+ * TSqlMapException is the base exception class for all SqlMap exceptions.
+ *
+ * @author Wei Zhuo <weizho[at]gmail[dot]com>
+ * @package System.Data.SqlMap
+ * @since 3.1
+ */
+
+class TSqlMapExecutionException extends TSqlMapException
+{
+}
\ No newline at end of file
diff --git a/framework/Data/SqlMap/DataMapper/TSqlMapFifoCache.php b/framework/Data/SqlMap/DataMapper/TSqlMapFifoCache.php
new file mode 100644
index 00000000..3c036a97
--- /dev/null
+++ b/framework/Data/SqlMap/DataMapper/TSqlMapFifoCache.php
@@ -0,0 +1,46 @@
+<?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
+ */
+
+/**
+ * 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>
+ * @package System.Data.SqlMap
+ * @since 3.1
+ */
+class TSqlMapFifoCache extends TSqlMapCache
+{
+	/**
+	 * @return mixed Gets a cached object with the specified key.
+	 */
+	public function get($key)
+	{
+		return $this->_cache->itemAt($key);
+	}
+
+	/**
+	 * Stores a value identified by a key into cache.
+	 * The expire and dependency parameters are ignored.
+	 * @param string cache key
+	 * @param mixed value to cache.
+	 */
+	public function set($key, $value,$expire=0,$dependency=null)
+	{
+		$this->_cache->add($key, $value);
+		$this->_keyList->add($key);
+		if($this->_keyList->getCount() > $this->_cacheSize)
+		{
+			$oldestKey = $this->_keyList->removeAt(0);
+			$this->_cache->remove($oldestKey);
+		}
+	}
+}
\ No newline at end of file
diff --git a/framework/Data/SqlMap/DataMapper/TSqlMapLruCache.php b/framework/Data/SqlMap/DataMapper/TSqlMapLruCache.php
new file mode 100644
index 00000000..e34cad84
--- /dev/null
+++ b/framework/Data/SqlMap/DataMapper/TSqlMapLruCache.php
@@ -0,0 +1,51 @@
+<?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
+ */
+
+/**
+ * Least recently used cache implementation, removes
+ * object that was accessed last when the cache is full.
+ *
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @package System.Data.SqlMap
+ * @since 3.1
+ */
+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);
+		}
+	}
+
+	/**
+	 * Stores a value identified by a key into cache.
+	 * The expire and dependency parameters are ignored.
+	 * @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)
+	{
+		$this->_cache->add($key, $value);
+		$this->_keyList->add($key);
+		if($this->_keyList->getCount() > $this->_cacheSize)
+		{
+			$oldestKey = $this->_keyList->removeAt(0);
+			$this->_cache->remove($oldestKey);
+		}
+	}
+}
\ No newline at end of file
diff --git a/framework/Data/SqlMap/DataMapper/TSqlMapTypeHandler.php b/framework/Data/SqlMap/DataMapper/TSqlMapTypeHandler.php
new file mode 100644
index 00000000..a5d3f39c
--- /dev/null
+++ b/framework/Data/SqlMap/DataMapper/TSqlMapTypeHandler.php
@@ -0,0 +1,92 @@
+<?php
+/**
+ * TSqlMapTypeHandlerRegistry, and abstract TSqlMapTypeHandler classes file.
+ *
+ * @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
+ */
+
+/**
+ * A simple interface for implementing custom type handlers.
+ *
+ * Using this interface, you can implement a type handler that
+ * will perform customized processing before parameters are set
+ * on and after values are retrieved from the database.
+ * Using a custom type handler you can extend
+ * the framework to handle types that are not supported, or
+ * handle supported types in a different way.  For example,
+ * you might use a custom type handler to implement proprietary
+ * BLOB support (e.g. Oracle), or you might use it to handle
+ * booleans using "Y" and "N" instead of the more typical 0/1.
+ *
+ * @author Wei Zhuo <weizho[at]gmail[dot]com>
+ * @package System.Data.SqlMap
+ * @since 3.1
+ */
+abstract class TSqlMapTypeHandler extends TComponent
+{
+	private $_dbType='NULL';
+	private $_type;
+	/**
+	 * @param string database field type.
+	 */
+	public function setDbType($value)
+	{
+		$this->_dbType=$value;
+	}
+
+	/**
+	 * @return string database field type.
+	 */
+	public function getDbType()
+	{
+		return $this->_dbType;
+	}
+
+	public function getType()
+	{
+		if($this->_type===null)
+			return get_class($this);
+		else
+			return $this->_type;
+	}
+
+	public function setType($value)
+	{
+		$this->_type=$value;
+	}
+
+	/**
+	 * Performs processing on a value before it is used to set
+	 * the parameter of a IDbCommand.
+	 * @param object The interface for setting the value.
+	 * @param object The value to be set.
+	 */
+	public abstract function getParameter($object);
+
+
+	/**
+	 * Performs processing on a value before after it has been retrieved
+	 * from a database
+	 * @param object The interface for getting the value.
+	 * @return mixed The processed value.
+	 */
+	public abstract function getResult($string);
+
+
+	/**
+	 * Casts the string representation of a value into a type recognized by
+	 * this type handler.  This method is used to translate nullValue values
+	 * into types that can be appropriately compared.  If your custom type handler
+	 * cannot support nullValues, or if there is no reasonable string representation
+	 * for this type (e.g. File type), you can simply return the String representation
+	 * as it was passed in.  It is not recommended to return null, unless null was passed
+	 * in.
+	 * @param array result row.
+	 * @return mixed
+	 */
+	public abstract function createNewInstance($row=null);
+}
\ No newline at end of file
diff --git a/framework/Data/SqlMap/DataMapper/TSqlMapTypeHandlerRegistry.php b/framework/Data/SqlMap/DataMapper/TSqlMapTypeHandlerRegistry.php
index 18b8ef99..f6a22ee1 100644
--- a/framework/Data/SqlMap/DataMapper/TSqlMapTypeHandlerRegistry.php
+++ b/framework/Data/SqlMap/DataMapper/TSqlMapTypeHandlerRegistry.php
@@ -103,87 +103,4 @@ class TSqlMapTypeHandlerRegistry
 		settype($value, $type);
 		return $value;
 	}
-}
-
-/**
- * A simple interface for implementing custom type handlers.
- *
- * Using this interface, you can implement a type handler that
- * will perform customized processing before parameters are set
- * on and after values are retrieved from the database.
- * Using a custom type handler you can extend
- * the framework to handle types that are not supported, or
- * handle supported types in a different way.  For example,
- * you might use a custom type handler to implement proprietary
- * BLOB support (e.g. Oracle), or you might use it to handle
- * booleans using "Y" and "N" instead of the more typical 0/1.
- *
- * @author Wei Zhuo <weizho[at]gmail[dot]com>
- * @package System.Data.SqlMap
- * @since 3.1
- */
-abstract class TSqlMapTypeHandler extends TComponent
-{
-	private $_dbType='NULL';
-	private $_type;
-	/**
-	 * @param string database field type.
-	 */
-	public function setDbType($value)
-	{
-		$this->_dbType=$value;
-	}
-
-	/**
-	 * @return string database field type.
-	 */
-	public function getDbType()
-	{
-		return $this->_dbType;
-	}
-
-	public function getType()
-	{
-		if($this->_type===null)
-			return get_class($this);
-		else
-			return $this->_type;
-	}
-
-	public function setType($value)
-	{
-		$this->_type=$value;
-	}
-
-	/**
-	 * Performs processing on a value before it is used to set
-	 * the parameter of a IDbCommand.
-	 * @param object The interface for setting the value.
-	 * @param object The value to be set.
-	 */
-	public abstract function getParameter($object);
-
-
-	/**
-	 * Performs processing on a value before after it has been retrieved
-	 * from a database
-	 * @param object The interface for getting the value.
-	 * @return mixed The processed value.
-	 */
-	public abstract function getResult($string);
-
-
-	/**
-	 * Casts the string representation of a value into a type recognized by
-	 * this type handler.  This method is used to translate nullValue values
-	 * into types that can be appropriately compared.  If your custom type handler
-	 * cannot support nullValues, or if there is no reasonable string representation
-	 * for this type (e.g. File type), you can simply return the String representation
-	 * as it was passed in.  It is not recommended to return null, unless null was passed
-	 * in.
-	 * @param array result row.
-	 * @return mixed
-	 */
-	public abstract function createNewInstance($row=null);
-}
-
+}
\ No newline at end of file
diff --git a/framework/Data/SqlMap/DataMapper/TSqlMapUndefinedException.php b/framework/Data/SqlMap/DataMapper/TSqlMapUndefinedException.php
new file mode 100644
index 00000000..44e968ec
--- /dev/null
+++ b/framework/Data/SqlMap/DataMapper/TSqlMapUndefinedException.php
@@ -0,0 +1,20 @@
+<?php
+/**
+ * TSqlMapException is the base exception class for all SqlMap exceptions.
+ *
+ * @author Wei Zhuo <weizho[at]gmail[dot]com>
+ * @package System.Data.SqlMap
+ * @since 3.1
+ */
+
+/**
+ * TSqlMapUndefinedException, raised when mapped statemented are undefined.
+ *
+ * @author Wei Zhuo <weizho[at]gmail[dot]com>
+ * @package System.Data.SqlMap
+ * @since 3.1
+ */
+class TSqlMapUndefinedException extends TSqlMapException
+{
+
+}
\ No newline at end of file