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doctrine2/lib/Doctrine/Cache.php
2007-01-29 13:13:43 +00:00

94 lines
2.8 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.com>.
*/
/**
* Doctrine_Cache
*
* @package Doctrine
* @subpackage Doctrine_Cache
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @category Object Relational Mapping
* @link www.phpdoctrine.com
* @since 1.0
* @version $Revision$
*/
class Doctrine_Cache
{
protected $_options = array('size' => 1000,
'lifetime' => 3600,
);
protected $_queries = array();
protected $_driver;
/**
* process
*
* @param string $query sql query string
* @return void
*/
public function process($query)
{
$this->queries[] = $query;
}
/**
* save
*
* @return boolean
*/
public function save()
{
$content = file_get_contents($this->_statsFile);
$queries = explode("\n", $content);
$stats = array();
foreach ($queries as $query) {
if (isset($stats[$query])) {
$stats[$query]++;
} else {
$stats[$query] = 1;
}
}
sort($stats);
$i = $this->_options['size'];
while ($i--) {
$element = next($stats);
$query = key($stats);
$conn = Doctrine_Manager::getConnection($element[1]);
$data = $conn->fetchAll($query);
$this->_driver->save(serialize($data), $query, $this->_options['lifetime']);
}
}
/**
* flush
*
* adds all queries to stats file
* @return void
*/
public function flush()
{
file_put_contents($this->_statsFile, implode("\n", $this->queries));
}
}