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doctrine2/lib/Doctrine/ORM/Query/Expr/OrderBy.php

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<?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.doctrine-project.org>.
*/
namespace Doctrine\ORM\Query\Expr;
/**
* Expression class for building DQL Order By parts
*
* @author Jonathan H. Wage <jonwage@gmail.com>
* @author Guilherme Blanco <guilhermeblanco@gmail.com>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link http://www.phpdoctrine.org
* @since 2.0
* @version $Revision$
*/
class OrderBy
{
protected $_preSeparator = '';
protected $_separator = ', ';
protected $_postSeparator = '';
protected $_allowedClasses = array();
private $_parts = array();
public function __construct($sort = null, $order = null)
{
if ($sort) {
$this->add($sort, $order);
}
}
public function add($sort, $order = null)
{
$order = ! $order ? 'ASC' : $order;
$this->_parts[] = $sort . ' '. $order;
}
public function count()
{
return count($this->_parts);
}
public function __tostring()
{
return $this->_preSeparator . implode($this->_separator, $this->_parts) . $this->_postSeparator;
}
}