added cache core

lib/Doctrine/Cache.php

+<?php
+/*
+ *  $Id$
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the LGPL. For more information, see
+ * <http://www.phpdoctrine.com>.
+ */
+/**
+ * Doctrine_Cache
+ *
+ * @package     Doctrine
+ * @subpackage  Doctrine_Cache
+ * @author      Konsta Vesterinen <kvesteri@cc.hut.fi>
+ * @license     http://www.opensource.org/licenses/lgpl-license.php LGPL
+ * @category    Object Relational Mapping
+ * @link        www.phpdoctrine.com
+ * @since       1.0
+ * @version     $Revision$
+ */
+class Doctrine_Cache
+{
+    protected $_options = array('size' => 1000,
+                                'lifetime' => 3600,
+                                );
+
+    protected $_queries = array();
+
+    protected $_driver;
+    /**
+     * process
+     *
+     * @param string $query         sql query string
+     * @return void
+     */
+    public function process($query)
+    {
+        $this->queries[] = $query;
+    }
+    /**
+     * save
+     *
+     * @return boolean
+     */
+    public function save()
+    {
+        $content = file_get_contents($this->_statsFile);
+        $queries = explode("\n", $content);
+
+        $stats   = array();
+
+        foreach ($queries as $query) {
+            if (isset($stats[$query])) {
+                $stats[$query]++;
+            } else {
+                $stats[$query] = 1;
+            }
+        }
+        sort($stats);
+
+        $i = $this->_options['size'];
+        
+        while ($i--) {
+            $element = next($stats);
+            $query   = key($stats);
+            $conn    = Doctrine_Manager::getConnection($element[1]);
+            $data    = $conn->fetchAll($query);
+            $this->_driver->save(serialize($data), $query, $this->_options['lifetime']);
+        }
+    }
+    /**
+     * flush
+     *
+     * adds all queries to stats file
+     * @return void
+     */
+    public function flush()
+    {
+        file_put_contents($this->_statsFile, implode("\n", $this->queries));
+    }
+}

lib/Doctrine/Cache/Interface.php

@@ -62,7 +62,7 @@ interface Doctrine_Cache_Interface
      * @param int $lifeTime     if != false, set a specific lifetime for this cache record (null => infinite lifeTime)
      * @return boolean true if no problem
      */
-    public function save($data, $id, $tags = array(), $lifeTime = false);
+    public function save($data, $id, $lifeTime = false);
 
     /**
      * Remove a cache record

lib/Doctrine/Db/Cache.php

+<?php
+/*
+ *  $Id$
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the LGPL. For more information, see
+ * <http://www.phpdoctrine.com>.
+ */
+/**
+ * Doctrine_Db_Cache
+ *
+ * @package     Doctrine
+ * @subpackage  Doctrine_Db
+ * @author      Konsta Vesterinen <kvesteri@cc.hut.fi>
+ * @license     http://www.opensource.org/licenses/lgpl-license.php LGPL
+ * @category    Object Relational Mapping
+ * @link        www.phpdoctrine.com
+ * @since       1.0
+ * @version     $Revision$
+ */
+class Doctrine_Db_Cache extends Doctrine_Db_EventListener
+{
+
+    public function __construct($cacheDriver)
+    {
+
+    }
+    public function onPreQuery(Doctrine_Db_Event $event)
+    { 
+        $query = $event->getQuery();
+
+        $this->cache->process($query);
+    }
+    public function onQuery(Doctrine_Db_Event $event)
+    { 
+
+    }
+
+    public function onPrePrepare(Doctrine_Db_Event $event)
+    { 
+
+    }
+    public function onPrepare(Doctrine_Db_Event $event)
+    { 
+    
+    }
+
+    public function onPreExec(Doctrine_Db_Event $event)
+    { 
+    
+    }
+    public function onExec(Doctrine_Db_Event $event)
+    { 
+    
+    }
+
+    public function onPreExecute(Doctrine_Db_Event $event)
+    { 
+        $query = $event->getQuery();
+
+        $this->cache->process($query);
+    }
+    public function onExecute(Doctrine_Db_Event $event)
+    { 
+    
+    }
+}