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doctrine2/lib/Doctrine/ORM/Query/Production/UpdateClause.php

102 lines
3.0 KiB
PHP

<?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.phpdoctrine.org>.
*/
/**
* UpdateClause = "UPDATE" VariableDeclaration "SET" UpdateItem {"," UpdateItem}
*
* @package Doctrine
* @subpackage Query
* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
* @author Janne Vanhala <jpvanhal@cc.hut.fi>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link http://www.phpdoctrine.org
* @since 2.0
* @version $Revision$
*/
class Doctrine_Query_Production_UpdateClause extends Doctrine_Query_Production
{
protected $_variableDeclaration;
protected $_updateItems = array();
public function syntax($paramHolder)
{
// UpdateClause = "UPDATE" VariableDeclaration "SET" UpdateItem {"," UpdateItem}
$this->_parser->match(Doctrine_Query_Token::T_UPDATE);
$this->_variableDeclaration = $this->AST('VariableDeclaration', $paramHolder);
$this->_parser->match(Doctrine_Query_Token::T_SET);
$this->_updateItems[] = $this->AST('UpdateItem', $paramHolder);
while ($this->_isNextToken(',')) {
$this->_parser->match(',');
$this->_updateItems[] = $this->AST('UpdateItem', $paramHolder);
}
}
public function buildSql()
{
return 'UPDATE ' . $this->_variableDeclaration->buildSql()
. ' SET ' . implode(', ', $this->_mapUpdateItems());
}
protected function _mapUpdateItems()
{
return array_map(array(&$this, '_mapUpdateItem'), $this->_updateItems);
}
protected function _mapUpdateItem($value)
{
return $value->buildSql();
}
/**
* Visitor support.
*/
public function accept($visitor)
{
$this->_variableDeclaration->accept($visitor);
foreach ($this->_updateItems as $item) {
$item->accept($visitor);
}
$visitor->visitUpdateClause($this);
}
/* Getters */
public function getVariableDeclaration()
{
return $this->_variableDeclaration;
}
public function getUpdateItems()
{
return $this->_updateItems;
}
}