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doctrine2/lib/Doctrine/ORM/Query/Expr/From.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 DQL from
*
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.doctrine-project.org
* @since 2.0
* @version $Revision$
* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
* @author Jonathan Wage <jonwage@gmail.com>
* @author Roman Borschel <roman@code-factory.org>
*/
class From
{
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/**
* @var string
*/
private $_from;
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/**
* @var string
*/
private $_alias;
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/**
* @var string
*/
private $_indexBy;
/**
* @param string $from The class name.
* @param string $alias The alias of the class.
* @param string $indexBy The index for the from.
*/
public function __construct($from, $alias, $indexBy = null)
{
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$this->_from = $from;
$this->_alias = $alias;
$this->_indexBy = $indexBy;
}
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/**
* @return string
*/
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public function getFrom()
{
return $this->_from;
}
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/**
* @return string
*/
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public function getAlias()
{
return $this->_alias;
}
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/**
* @return string
*/
public function __toString()
{
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return $this->_from . ' ' . $this->_alias .
($this->_indexBy ? ' INDEX BY ' . $this->_indexBy : '');
}
}