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<?php
/*
* $Id: Hydrate.php 3192 2007-11-19 17:55:23Z romanb $
*
* 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>.
*/
/**
* Doctrine_Hydrator_Abstract
*
* @package Doctrine
* @subpackage Hydrate
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.doctrine-project.org
* @since 1.0
* @version $Revision: 3192 $
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
*/
abstract class Doctrine_Hydrator_Abstract extends Doctrine_Locator_Injectable
{
protected
$_queryComponents = array(),
$_tableAliases = array(),
$_priorRow,
$_hydrationMode;
public function __construct($queryComponents = null, $tableAliases = null, $hydrationMode = null)
{
$this->setQueryComponents($queryComponents);
$this->setTableAliases($tableAliases);
$this->setHydrationMode($hydrationMode);
}
/**
* Set the query components (structure and query instructions)
*
* @param array $queryComponents
* @return void
*/
public function setQueryComponents($queryComponents)
{
$this->_queryComponents = $queryComponents;
}
/**
* Set the table aliases for this query
*
* @param array $tableAliases
* @return void
*/
public function setTableAliases($tableAliases)
{
$this->_tableAliases = $tableAliases;
}
/**
* Set the hydration mode
*
* @param mixed $hydrationMode One of the Doctrine_Core::HYDRATE_* constants or
* a string representing the name of the hydration mode or
* or an instance of the hydration class
* @return void
*/
public function setHydrationMode($hydrationMode)
{
$this->_hydrationMode = $hydrationMode;
}
public function getRootComponent()
{
$queryComponents = array_values($this->_queryComponents);
return $queryComponents[0]['table'];
}
public function onDemandReset()
{
$this->_priorRow = null;
}
/**
* Checks whether a name is ignored. Used during result set parsing to skip
* certain elements in the result set that do not have any meaning for the result.
* (I.e. ORACLE limit/offset emulation adds doctrine_rownum to the result set).
*
* @param string $name
* @return boolean
*/
protected function _isIgnoredName($name)
{
return $name == 'DOCTRINE_ROWNUM';
}
/**
* hydrateResultSet
* parses the data returned by statement object
*
* This is method defines the core of Doctrine object population algorithm
* hence this method strives to be as fast as possible
*
* The key idea is the loop over the rowset only once doing all the needed operations
* within this massive loop.
*
* @param mixed $stmt
* @return mixed
*/
abstract public function hydrateResultSet($stmt);
}
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