--- a/busui/owa/modules/base/classes/memcachedCache.php
+++ b/busui/owa/modules/base/classes/memcachedCache.php
@@ -1,1 +1,144 @@
+<?php
 
+//
+// Open Web Analytics - An Open Source Web Analytics Framework
+//
+// Copyright 2006 Peter Adams. All rights reserved.
+//
+// Licensed under GPL v2.0 http://www.gnu.org/copyleft/gpl.html
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// $Id$
+//
+
+require_once(OWA_BASE_CLASS_DIR.'cache.php');
+
+if ( ! class_exists( 'memcached' ) ) {
+	require_once( OWA_INCLUDE_DIR . 'memcached-client.php' );
+}
+
+/**
+ * Memcached Based Cache
+ * 
+ * @author      Peter Adams <peter@openwebanalytics.com>
+ * @copyright   Copyright &copy; 2006 - 2011 Peter Adams <peter@openwebanalytics.com>
+ * @license     http://www.gnu.org/copyleft/gpl.html GPL v2.0
+ * @category    owa
+ * @package     owa
+ * @version		$Revision$	      
+ * @since		owa 1.4.0
+ */
+
+class owa_memcachedCache extends owa_cache {
+
+	var $mc;
+
+	/**
+	 * Constructor
+	 * 
+	 * Takes cache directory as param
+	 *
+	 * @param $cache_dir string
+	 */
+	function __construct() {
+		
+		$servers = owa_coreAPI::getSetting( 'base', 'memcachedServers' );
+		if ( ! $servers ) {
+			owa_coreAPI::notice('No memcached servers found in configuration settings.');
+			return;
+		}
+		$persistant = owa_coreAPI::getSetting( 'base', 'memcachedPersisantConnections' ); 
+		$error_mode = owa_coreAPI::getSetting( 'base', 'error_handler' );
+		if ( $error_mode === 'development' ) {
+			$debug = true;
+		} else {
+			$debug = false;
+		}
+		
+		$this->mc = new owa_memcachedClient(array(
+        		'servers' => $servers,
+        		'debug'   => $debug,
+        		'compress_threshold' => 10240,
+        		'persistant' => $persistant
+       	));
+       	
+		return parent::__construct();
+	}
+	
+	function makeKey($values) {
+		$key  = 'owa-';
+		$key .= $this->cache_id . '-';
+		$key .= implode('-', $values);
+		return $key;
+	}
+		
+	function getItemFromCacheStore($collection, $id) {
+		$key = $this->makeKey( array( $collection, $id ) );
+		$item = $this->mc->get( $key );
+		
+		if ($item) {
+			$this->debug("$key retrieved from memcache.");
+			return $item;
+		} else {
+			$this->debug("$key was not found in memcache.");
+		}
+		
+	}
+	
+	function putItemToCacheStore($collection, $id) {
+		
+		$key = $this->makeKey( array( $collection, $id ) );
+		$item = $this->cache[$collection][$id];
+		$expiration = $this->getCollectionExpirationPeriod( $collection );
+		$ret = $this->mc->replace( $key, $item, $expiration );
+		
+		if ( $ret ) {
+			$this->debug( "$key successfully replaced in memcache." );
+			return true;
+			
+		} else {
+			$ret = $this->mc->add( $key, $item );
+			if ( $ret ) {
+				$this->debug( "$key successfully added to memcache." );
+				return true;
+			} else {
+				$this->debug( "$key not added/replaced in memcache." );
+				return false;
+			}
+		}
+	}
+		
+	function removeItemFromCacheStore($collection, $id) {
+		
+		$key = $this->makeKey( array( $collection, $id ) );
+		$item = $this->cache[$collection][$id];
+		$ret = $this->mc->delete($key);
+		
+		if ($ret) {
+			$this->debug( "$key successfully deleted from memcache." );
+		} else {
+			$this->debug( "$key not deleted from memcache.");
+		}
+	}
+	
+	function flush() {
+		
+		owa_coreAPI::notice("Cannot flush Memcache from client.");
+		return true;
+	}
+}
+
+class owa_memcachedClient extends memcached {
+	
+	function _debugprint( $text ) {
+		owa_coreAPI::debug( "memcached: $text" );
+	}
+}
+
+?>
+