1
0
mirror of synced 2024-12-15 15:46:02 +03:00
doctrine2/lib/Doctrine/Query/Production/Join.php
2008-08-16 19:40:59 +00:00

112 lines
3.3 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>.
*/
/**
* Join = ["LEFT" | "INNER"] "JOIN" RangeVariableDeclaration [("ON" | "WITH") ConditionalExpression]
*
* @package Doctrine
* @subpackage Query
* @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_Join extends Doctrine_Query_Production
{
protected $_joinType;
protected $_rangeVariableDeclaration;
protected $_whereType;
protected $_conditionalExpression;
public function syntax($paramHolder)
{
$this->_joinType = 'INNER';
$this->_whereType = 'WITH';
if ($this->_isNextToken(Doctrine_Query_Token::T_LEFT)) {
$this->_parser->match(Doctrine_Query_Token::T_LEFT);
$this->_joinType = 'LEFT';
} else if ($this->_isNextToken(Doctrine_Query_Token::T_INNER)) {
$this->_parser->match(Doctrine_Query_Token::T_INNER);
}
$this->_parser->match(Doctrine_Query_Token::T_JOIN);
$this->_rangeVariableDeclaration = $this->AST('RangeVariableDeclaration', $paramHolder);
if ($this->_isNextToken(Doctrine_Query_Token::T_ON)) {
$this->_parser->match(Doctrine_Query_Token::T_ON);
$this->_whereType = 'ON';
$this->_conditionalExpression = $this->AST('ConditionalExpression', $paramHolder);
} else if ($this->_isNextToken(Doctrine_Query_Token::T_WITH)) {
$this->_parser->match(Doctrine_Query_Token::T_WITH);
$this->_conditionalExpression = $this->AST('ConditionalExpression', $paramHolder);
}
}
public function buildSql()
{
return '';
}
/**
* Visitor support
*
* @param object $visitor
*/
public function accept($visitor)
{
$visitor->visitJoin($this);
}
/* Getters */
public function getJoinType()
{
return $this->_joinType;
}
public function getRangeVariableDeclaration()
{
return $this->_rangeVariableDeclaration;
}
public function getWhereType()
{
return $this->_whereType;
}
public function getConditionalExpression()
{
return $this->_conditionalExpression;
}
}