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doctrine2/lib/Doctrine/ORM/Query/ParserResult.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.phpdoctrine.org>.
*/
/**
* Doctrine_ORM_Query_ParserResult
*
* @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_ORM_Query_ParserResult extends Doctrine_ORM_Query_AbstractResult
{
/**
* The EntityManager.
*
* @var Doctrine_EntityManager
*/
protected $_em;
/**
* A simple array keys representing table aliases and values table alias
* seeds. The seeds are used for generating short table aliases.
*
* @var array $_tableAliasSeeds
*/
protected $_tableAliasSeeds = array();
/**
* Simple array of keys representing the fields used in query.
*
* @var array $_queryFields
*/
protected $_queryFields = array();
/**
* Sets the Entity Manager.
*
* @param Doctrine_EntityManager $em The Entity Manager.
*/
public function setEntityManager($em)
{
$this->_em = $em;
}
/**
* Gets the Entity Manager.
*
* @return Doctrine_EntityManager
*/
public function getEntityManager()
{
return $this->_em;
}
/**
* @nodoc
*/
public function setSqlExecutor(Doctrine_ORM_Query_SqlExecutor_Abstract $executor)
{
$this->_data = $executor;
}
/**
* @nodoc
*/
public function getSqlExecutor()
{
return $this->_data;
}
/**
* Defines the mapping fields.
*
* @param array $queryFields Query fields.
*/
public function setQueryFields(array $queryFields)
{
$this->_queryFields = $queryFields;
}
/**
* Sets the declaration for given field alias.
*
* @param string $fieldAlias The field alias to set the declaration to.
* @param string $queryField Alias declaration.
*/
public function setQueryField($fieldAlias, $queryField)
{
$this->_queryFields[$fieldAlias] = $queryField;
}
/**
* Gets the mapping fields.
*
* @return array Query fields.
*/
public function getQueryFields()
{
return $this->_queryFields;
}
/**
* Get the declaration for given field alias.
*
* @param string $fieldAlias The field alias the retrieve the declaration from.
* @return array Alias declaration.
*/
public function getQueryField($fieldAlias)
{
if ( ! isset($this->_queryFields[$fieldAlias])) {
throw new Doctrine_ORM_Query_Exception('Unknown query field ' . $fieldAlias);
}
return $this->_queryFields[$fieldAlias];
}
/**
* Whether or not this object has a declaration for given field alias.
*
* @param string $fieldAlias Field alias the retrieve the declaration from.
* @return boolean True if this object has given alias, otherwise false.
*/
public function hasQueryField($fieldAlias)
{
return isset($this->_queryFields[$fieldAlias]);
}
/**
* Generates a table alias from given table name and associates
* it with given component alias
*
* @param string $componentName Component name to be associated with generated table alias
* @return string Generated table alias
*/
public function generateTableAlias($componentName)
{
$baseAlias = strtolower(preg_replace('/[^A-Z]/', '\\1', $componentName));
// We may have a situation where we have all chars are lowercased
if ( $baseAlias == '' ) {
// We simply grab the first 2 chars of component name
$baseAlias = substr($componentNam, 0, 2);
}
$alias = $baseAlias;
if ( ! isset($this->_tableAliasSeeds[$baseAlias])) {
$this->_tableAliasSeeds[$baseAlias] = 1;
} else {
$alias .= $this->_tableAliasSeeds[$baseAlias]++;
}
return $alias;
}
}