From 176ee7e9b6c69cf42e7afeeb03db602237a49bc3 Mon Sep 17 00:00:00 2001
From: xue <>
Date: Tue, 5 Dec 2006 20:38:18 +0000
Subject: Added TApplicationStateCacheDependency.

---
 HISTORY                      |  3 ++-
 framework/Caching/TCache.php | 30 ++++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/HISTORY b/HISTORY
index 1dd78376..03d22c63 100644
--- a/HISTORY
+++ b/HISTORY
@@ -14,7 +14,8 @@ NEW: TQueue (Qiang)
 NEW: TSessionPageStatePersister (Qiang)
 NEW: TFeedService, TRssFeedDocument (Knut, Qiang)
 NEW: TJsonService
-NEW: TCacheDependency, TFileCacheDependency, TDirectoryCacheDependency, TGlobalStateCacheDependency, TChainedCacheDependency
+NEW: TCacheDependency, TFileCacheDependency, TDirectoryCacheDependency (Qiang)
+NEW: TGlobalStateCacheDependency, TChainedCacheDependency, TApplicationStateCacheDependency (Qiang)
 
 Version 3.0.6 December 4, 2006
 ==============================
diff --git a/framework/Caching/TCache.php b/framework/Caching/TCache.php
index f40737fc..44940d18 100644
--- a/framework/Caching/TCache.php
+++ b/framework/Caching/TCache.php
@@ -598,6 +598,36 @@ class TChainedCacheDependency extends TCacheDependency
 }
 
 
+/**
+ * TApplicationStateCacheDependency class.
+ *
+ * TApplicationStateCacheDependency performs dependency checking based on
+ * the mode of the currently running PRADO application.
+ * The dependency is reportedly as unchanged if and only if the application
+ * is running in performance mode.
+ *
+ * You may chain this dependency together with other dependencies
+ * so that only when the application is not in performance mode the other dependencies
+ * will be checked.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @version $Id$
+ * @package System.Caching
+ * @since 3.1.0
+ */
+class TApplicationStateCacheDependency extends TCacheDependency
+{
+	/**
+	 * Performs the actual dependency checking.
+	 * This method returns true if the currently running application is not in performance mode.
+	 * @return boolean whether the dependency is changed or not.
+	 */
+	public function getHasChanged()
+	{
+		return Prado::getApplication()->getMode()!==TApplicationMode::Performance;
+	}
+}
+
 /**
  * TCacheDependencyList class.
  *
-- 
cgit v1.2.3