From 370c682479edb2fd3f40ee701f7bb4ef088e8283 Mon Sep 17 00:00:00 2001
From: xue <>
Date: Fri, 7 Apr 2006 03:32:11 +0000
Subject: Breaking change!! Optimized the representation and evaluation of
 template expression, statements and databind tags.

---
 framework/interfaces.php | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

(limited to 'framework/interfaces.php')

diff --git a/framework/interfaces.php b/framework/interfaces.php
index ca5c77bb..2a407696 100644
--- a/framework/interfaces.php
+++ b/framework/interfaces.php
@@ -242,4 +242,42 @@ interface ICacheDependency
 	public function getHasChanged();
 }
 
+/**
+ * IRenderable interface.
+ *
+ * This interface must be implemented by classes that can be rendered
+ * to end-users.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @version $Revision: $  $Date: $
+ * @package System
+ * @since 3.0
+ */
+interface IRenderable
+{
+	/**
+	 * Renders the component to end-users.
+	 * @param ITextWriter writer for the rendering purpose
+	 */
+	public function render($writer);
+}
+
+/**
+ * IBindable interface.
+ *
+ * This interface must be implemented by classes that are capable of performing databinding.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @version $Revision: $  $Date: $
+ * @package System
+ * @since 3.0
+ */
+interface IBindable
+{
+	/**
+	 * Performs databinding.
+	 */
+	public function dataBind();
+}
+
 ?>
\ No newline at end of file
-- 
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