added new field type 'hash'

Author: avalanche123

lib/Doctrine/ODM/MongoDB/Mapping/Driver/DoctrineAnnotations.php

@@ -59,6 +59,10 @@ final class Field extends Annotation
 {
     public $type = 'string';
 }
+final class Hash extends Annotation
+{
+    public $type = 'hash';
+}
 final class Boolean extends Annotation
 {
     public $type = 'boolean';

lib/Doctrine/ODM/MongoDB/Mapping/Types/HashType.php

@@ -0,0 +1,42 @@
+<?php
+/*
+ * 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.doctrine-project.org>.
+ */
+
+namespace Doctrine\ODM\MongoDB\Mapping\Types;
+
+/**
+ * The Array type.
+ *
+ * @license 	http://www.opensource.org/licenses/lgpl-license.php LGPL
+ * @link    	www.doctrine-project.org
+ * @since   	1.0
+ * @version     $Revision$
+ * @author      Bulat Shakirzyanov <mallluhuct@gmail.com>
+ */
+class HashType implements Type
+{
+    public function convertToDatabaseValue($value)
+    {
+        return (array) $value;
+    }
+
+    public function convertToPHPValue($value)
+    {
+        return (array) $value;
+    }
+}