1 files changed, 49 insertions, 0 deletions
diff --git a/framework/Data/SqlMap/Configuration/TSqlMapCacheKey.php b/framework/Data/SqlMap/Configuration/TSqlMapCacheKey.php
new file mode 100644
index 00000000..095f24d4
--- /dev/null
+++ b/framework/Data/SqlMap/Configuration/TSqlMapCacheKey.php
@@ -0,0 +1,49 @@
+<?php
+/**
+ * TSqlMapCacheModel, TSqlMapCacheTypes and TSqlMapCacheKey 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.Configuration
+ */
+
+/**
+ * TSqlMapCacheKey class.
+ *
+ * Provides a hash of the object to be cached.
+ *
+ * @author Wei Zhuo <weizho[at]gmail[dot]com>
+ * @package System.Data.SqlMap.Configuration
+ * @since 3.1
+ */
+class TSqlMapCacheKey
+{
+	private $_key;
+
+	/**
+	 * @param mixed object to be cached.
+	 */
+	public function __construct($object)
+	{
+		$this->_key = $this->generateKey(serialize($object));
+	}
+
+	/**
+	 * @param string serialized object
+	 * @return string crc32 hash of the serialized object.
+	 */
+	protected function generateKey($string)
+	{
+		return sprintf('%x',crc32($string));
+	}
+
+	/**
+	 * @return string object hash.
+	 */
+	public function getHash()
+	{
+		return $this->_key;
+	}
+}
+\ No newline at end of file