From c8919fa9fc845ab7f3c6701b6de08c8cd042ec30 Mon Sep 17 00:00:00 2001
From: xue <>
Date: Thu, 15 Jun 2006 14:03:28 +0000
Subject: Added TCache.PrimaryCache property. Added TOutputCache.CacheModuleID
 property.

---
 framework/Caching/TCache.php | 30 ++++++++++++++++++++++++++++--
 1 file changed, 28 insertions(+), 2 deletions(-)

(limited to 'framework/Caching/TCache.php')

diff --git a/framework/Caching/TCache.php b/framework/Caching/TCache.php
index e369f1df..b1d53525 100644
--- a/framework/Caching/TCache.php
+++ b/framework/Caching/TCache.php
@@ -44,18 +44,44 @@
 abstract class TCache extends TModule implements ICache
 {
 	private $_prefix=null;
+	private $_primary=true;
 
 	/**
 	 * Initializes the cache module.
 	 * This method initializes the cache key prefix and registers the cache module
-	 * with the application.
+	 * with the application if the cache is primary.
 	 * @param TXmlElement the module configuration
 	 */
 	public function init($config)
 	{
 		if($this->_prefix===null)
 			$this->_prefix=$this->getApplication()->getUniqueID();
-		$this->getApplication()->setCache($this);
+		if($this->_primary)
+		{
+			if($this->getApplication()->getCache()===null)
+				$this->getApplication()->setCache($this);
+			else
+				throw new TConfigurationException('cache_primary_duplicated',get_class($this));
+		}
+	}
+
+	/**
+	 * @return boolean whether this cache module is used as primary/system cache.
+	 * A primary cache is used by PRADO core framework to cache data such as
+	 * parsed templates, themes, etc.
+	 */
+	public function getPrimaryCache()
+	{
+		return $this->_primary;
+	}
+
+	/**
+	 * @param boolean whether this cache module is used as primary/system cache. Defaults to false.
+	 * @see getPrimaryCache
+	 */
+	public function setPrimaryCache($value)
+	{
+		$this->_primary=TPropertyValue::ensureBoolean($value);
 	}
 
 	/**
-- 
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