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lib/Doctrine/Cache.php

@@ -37,7 +37,7 @@ class Doctrine_Cache extends Doctrine_Db_EventListener implements Countable, Ite
      */
     protected $_options = array('size'                  => 1000,
                                 'lifeTime'              => 3600,
-                                'statsPropability'  => 0.75,
+                                'addStatsPropability'   => 0.25,
                                 'savePropability'       => 0.10,
                                 'cleanPropability'      => 0.01,
                                 'statsFile'             => '../data/stats.cache',
@@ -211,8 +211,11 @@ class Doctrine_Cache extends Doctrine_Db_EventListener implements Countable, Ite
      *
      * @return boolean
      */
-    public function processAll()
+    public function clean()
     {
+        $rand = (mt_rand() / mt_getrandmax());
+
+    	if ($rand <= $this->_options['cleanPropability']) {
             $content = file_get_contents($this->_statsFile);
             $queries = explode("\n", $content);
 
@@ -235,18 +238,24 @@ class Doctrine_Cache extends Doctrine_Db_EventListener implements Countable, Ite
             while ($i--) {
                 $element = next($stats);
                 $query   = key($stats);
-            $conn    = Doctrine_Manager::getConnection($element[1]);
-            $data    = $conn->fetchAll($query);
-            $this->_driver->save(serialize($data), $query, $this->_options['lifetime']);
+    
+                if (is_array($query)) {
+                    $hash = md5(serialize($query));
+                } else {
+                    $hash = md5($query);
+                }
+    
+                $this->_driver->delete($hash);
+            }
         }
     }
     /**
-     * flush
+     * appendStats
      *
      * adds all queries to stats file
      * @return void
      */
-    public function flush()
+    public function appendStats()
     {
     	if ($this->_options['statsFile'] !== false) {
 
@@ -254,9 +263,13 @@ class Doctrine_Cache extends Doctrine_Db_EventListener implements Countable, Ite
                 throw new Doctrine_Cache_Exception("Couldn't save cache statistics. Cache statistics file doesn't exists!");
             }
             
+            $rand = (mt_rand() / mt_getrandmax());
+
+            if ($rand <= $this->_options['addStatsPropability']) {
                 file_put_contents($this->_options['statsFile'], implode("\n", $this->_queries));
             }
         }
+    }
     /**
      * onPreQuery
      * listens the onPreQuery event of Doctrine_Db
@@ -281,10 +294,10 @@ class Doctrine_Cache extends Doctrine_Db_EventListener implements Countable, Ite
             $this->success = ($data) ? true : false;
 
             if ( ! $data) {
-                $rand = (rand(1, 10000) / (10000 * 100));
+                $rand = (mt_rand() / mt_getrandmax());
 
                 if ($rand < $this->_options['savePropability']) {
-                    $stmt = $event->getInvoker()->query($query);
+                    $stmt = $event->getInvoker()->getAdapter()->query($query);
 
                     $data = $stmt->fetchAll(Doctrine::FETCH_ASSOC);
 
@@ -349,10 +362,13 @@ class Doctrine_Cache extends Doctrine_Db_EventListener implements Countable, Ite
             $this->success = ($data) ? true : false;
 
             if ( ! $data) {
-                $rand = (rand(1, 10000) / (10000 * 100));
+                $rand = (mt_rand() / mt_getrandmax());
 
-                if ($rand < $this->_options['savePropability']) {
-                    $stmt = $event->getInvoker()->execute($event->getParams());
+                if ($rand <= $this->_options['savePropability']) {
+
+                    $stmt = $event->getInvoker()->getStatement();
+
+                    $stmt->execute($event->getParams());
 
                     $data = $stmt->fetchAll(Doctrine::FETCH_ASSOC);
 
@@ -367,17 +383,4 @@ class Doctrine_Cache extends Doctrine_Db_EventListener implements Countable, Ite
         }
         return (bool) $data;
     }
-    /**
-     * processStats
-     *
-     * @return void
-     */
-    public function processStats()
-    {
-    	$rand = (rand(1, 10000) / (10000 * 100));
-
-        if($rand > $this->_options['statSlamDefense']) {
-            $this->flush();
-        }
-    }
 }

lib/Doctrine/Cache/Array.php

@@ -31,7 +31,7 @@
  * @version     $Revision$
  * @author      Konsta Vesterinen <kvesteri@cc.hut.fi>
  */
-class Doctrine_Cache_Array
+class Doctrine_Cache_Array implements Countable
 {
     /**
      * @var array $data         an array of cached data
@@ -88,4 +88,22 @@ class Doctrine_Cache_Array
     {
         unset($this->data[$id]);
     }
+    /**
+     * Remove all cache record
+     * 
+     * @return boolean true if no problem
+     */
+    public function deleteAll()
+    {
+        $this->data = array();
+    }
+    /**
+     * count
+     *
+     * @return integer
+     */
+    public function count() 
+    {
+        return count($this->data);
+    }
 }