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

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<?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
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* and is licensed under the MIT license. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace Doctrine\ORM\Query\Expr;
/**
* Expression class for building DQL Order By parts.
*
* @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 OrderBy
{
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/**
* @var string
*/
protected $preSeparator = '';
/**
* @var string
*/
protected $separator = ', ';
/**
* @var string
*/
protected $postSeparator = '';
/**
* @var array
*/
protected $allowedClasses = array();
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/**
* @var array
*/
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protected $parts = array();
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/**
* @param string|null $sort
* @param string|null $order
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*/
public function __construct($sort = null, $order = null)
{
if ($sort) {
$this->add($sort, $order);
}
}
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/**
* @param string $sort
* @param string|null $order
*
* @return void
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*/
public function add($sort, $order = null)
{
$order = ! $order ? 'ASC' : $order;
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$this->parts[] = $sort . ' '. $order;
}
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/**
* @return integer
*/
public function count()
{
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return count($this->parts);
}
/**
* @return array
*/
public function getParts()
{
return $this->parts;
}
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/**
* @return string
*/
public function __tostring()
{
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return $this->preSeparator . implode($this->separator, $this->parts) . $this->postSeparator;
}
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}