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lib/Doctrine/Manager.php

@@ -80,6 +80,7 @@ class Doctrine_Manager extends Doctrine_Configurable implements Countable, Itera
         Doctrine_Record_Iterator::initNullObject($this->_null);
         Doctrine_Validator::initNullObject($this->_null);
         Doctrine_Record_Filter::initNullObject($this->_null);
+        Doctrine_Object::initNullObject($this->_null);
     }
     /**
      * @return Doctrine_Null

lib/Doctrine/Object.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_Object
+ *
+ * @package     Doctrine
+ * @license     http://www.opensource.org/licenses/lgpl-license.php LGPL
+ * @category    Object Relational Mapping
+ * @link        www.phpdoctrine.com
+ * @since       1.0
+ * @version     $Revision$
+ * @author      Konsta Vesterinen <kvesteri@cc.hut.fi>
+ */
+class Doctrine_Object 
+{
+    /**
+     * @var Doctrine_Null $null     Doctrine_Null object, used for extremely fast null value checking
+     */
+    protected static $_null;
+    /**
+     * initNullObject
+     * initializes the null object
+     *
+     * @param Doctrine_Null $null
+     * @return void
+     */
+    public static function initNullObject(Doctrine_Null $null)
+    {
+        self::$_null = $null;
+    }
+    /**
+     * getNullObject
+     * returns the null object associated with this object
+     *
+     * @return Doctrine_Null
+     */
+    public static function getNullObject()
+    {
+        return self::$_null;
+    }
+}