From fde6431d1dc78f9d494928d17aedfd139050eb2c Mon Sep 17 00:00:00 2001
From: guilhermeblanco <guilhermeblanco@625475ce-881a-0410-a577-b389adb331d8>
Date: Wed, 5 Aug 2009 14:54:53 +0000
Subject: [PATCH] [2.0] Commiting missing file

---
 .../EmptyCollectionComparisonExpression.php   | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 lib/Doctrine/ORM/Query/AST/EmptyCollectionComparisonExpression.php

diff --git a/lib/Doctrine/ORM/Query/AST/EmptyCollectionComparisonExpression.php b/lib/Doctrine/ORM/Query/AST/EmptyCollectionComparisonExpression.php
new file mode 100644
index 000000000..21c151b43
--- /dev/null
+++ b/lib/Doctrine/ORM/Query/AST/EmptyCollectionComparisonExpression.php
@@ -0,0 +1,40 @@
+<?php
+
+namespace Doctrine\ORM\Query\AST;
+
+/**
+ * EmptyCollectionComparisonExpression ::= CollectionValuedPathExpression "IS" ["NOT"] "EMPTY"
+ *
+ * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
+ */
+class EmptyCollectionComparisonExpression extends Node
+{
+    private $_expression;
+    private $_not;
+
+    public function __construct($expression)
+    {
+        $this->_expression = $expression;
+    }
+
+    public function getExpression()
+    {
+        return $this->_expression;
+    }
+
+    public function setNot($bool)
+    {
+        $this->_not = $bool;
+    }
+
+    public function isNot()
+    {
+        return $this->_not;
+    }
+
+    public function dispatch($sqlWalker)
+    {
+        return $sqlWalker->walkEmptyCollectionComparisonExpression($this);
+    }
+}
+