X-Git-Url: https://git.mxchange.org/?p=core.git;a=blobdiff_plain;f=inc%2Fclasses%2Fmain%2Fcache%2Fclass_MemoryCache.php;h=61248e0cfddbd89b3f22f29023c2a2b3bd46138e;hp=e681eca99d665b635e29a74d6756b46315510796;hb=5ea161bcbde4efba71f350b6cc3cdd23002c9d3c;hpb=84e2207412d3c6ea9f940a83b2cdd4503509808a

diff --git a/inc/classes/main/cache/class_MemoryCache.php b/inc/classes/main/cache/class_MemoryCache.php
index e681eca9..61248e0c 100644
--- a/inc/classes/main/cache/class_MemoryCache.php
+++ b/inc/classes/main/cache/class_MemoryCache.php
@@ -4,7 +4,7 @@
  *
  * @author		Roland Haeder <webmaster@ship-simu.org>
  * @version		0.0.0
- * @copyright	Copyright (c) 2007, 2008 Roland Haeder, 2009, 2010 Core Developer Team
+ * @copyright	Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2011 Core Developer Team
  * @license		GNU GPL 3.0 or any newer version
  * @link		http://www.ship-simu.org
  *
@@ -25,7 +25,7 @@ class MemoryCache extends BaseFrameworkSystem implements Cacheable {
 	/**
 	 * The "memory cache" is simply a wrapped object array
 	 */
-	private $dataCache = null;
+	private $dataCache = NULL;
 
 	/**
 	 * Protected constructor
@@ -42,7 +42,7 @@ class MemoryCache extends BaseFrameworkSystem implements Cacheable {
 	 *
 	 * @return	$cacheInstance	An instance of this cache class
 	 */
-	public final static function createMemoryCache () {
+	public static final function createMemoryCache () {
 		// Get a new instance
 		$cacheInstance = new MemoryCache();
 
@@ -69,7 +69,7 @@ class MemoryCache extends BaseFrameworkSystem implements Cacheable {
 	 * @param	$offset		The offset we are looking for
 	 * @return	$exists		Wether the offset exists
 	 */
-	public final function offsetExists ($offset) {
+	public function offsetExists ($offset) {
 		$exists = $this->dataCache->offsetExists($offset);
 		return $exists;
 	}
@@ -81,7 +81,7 @@ class MemoryCache extends BaseFrameworkSystem implements Cacheable {
 	 * @param	$data		Data to store in cache
 	 * @return	void
 	 */
-	public final function offsetSet ($offset, $data) {
+	public function offsetSet ($offset, $data) {
 		$this->dataCache->offsetSet($offset, $data);
 	}
 
@@ -91,19 +91,34 @@ class MemoryCache extends BaseFrameworkSystem implements Cacheable {
 	 * @param	$offset		The offset we shall set
 	 * @return	$data		Data to store in cache
 	 */
-	public final function offsetGet ($offset) {
+	public function offsetGet ($offset) {
 		// Default is offset not found
-		$data = null;
+		$data = NULL;
 
 		// Is the offset there?
 		if ($this->offsetExists($offset)) {
 			// Then get the data from it
 			$data = $this->dataCache->offsetGet($offset);
-		}
+		} // END - if
 
 		// Return data
 		return $data;
 	}
+
+	/**
+	 * Purges the given cache entry
+	 *
+	 * @param	$offset		The offset we shall set
+	 * @return	void
+	 */
+	public function purgeOffset ($offset) {
+		// Is the offset there?
+		if ($this->offsetExists($offset)) {
+			// Purge only existing keys
+			//* DEBUG: */ $this->debugOutput('CACHE: Unsetting cache ' . $offset);
+			$this->dataCache->offsetUnset($offset);
+		} // END - if
+	}
 }
 
 // [EOF]