--- /dev/null
+<?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 MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace Doctrine\ORM\Query\AST;
+
+/**
+ * ArithmeticFactor ::= [("+" | "-")] ArithmeticPrimary
+ *
+ *
+ * @link www.doctrine-project.org
+ * @since 2.0
+ * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
+ * @author Jonathan Wage <jonwage@gmail.com>
+ * @author Roman Borschel <roman@code-factory.org>
+ */
+class ArithmeticFactor extends Node
+{
+ /**
+ * @var ArithmeticPrimary
+ */
+ public $arithmeticPrimary;
+
+ /**
+ * @var null|boolean NULL represents no sign, TRUE means positive and FALSE means negative sign
+ */
+ public $sign;
+
+ public function __construct($arithmeticPrimary, $sign = null)
+ {
+ $this->arithmeticPrimary = $arithmeticPrimary;
+ $this->sign = $sign;
+ }
+
+ public function isPositiveSigned()
+ {
+ return $this->sign === true;
+ }
+
+ public function isNegativeSigned()
+ {
+ return $this->sign === false;
+ }
+
+ public function dispatch($sqlWalker)
+ {
+ return $sqlWalker->walkArithmeticFactor($this);
+ }
+}