/
Filter.php
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/
Filter.php
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<?php
/**
* Copyright 2014 Bas de Nooijer. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this listof conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER 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 HOLDER 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.
*
* The views and conclusions contained in the software and documentation are
* those of the authors and should not be interpreted as representing official
* policies, either expressed or implied, of the copyright holder.
*
* @copyright Copyright 2014 Bas de Nooijer <solarium@raspberry.nl>
* @license http://github.com/basdenooijer/solarium/raw/master/COPYING
*
* @link http://www.solarium-project.org/
*/
/**
* @namespace
*/
namespace Solarium\Plugin\MinimumScoreFilter;
use Solarium\Exception\OutOfBoundsException;
/**
* Minimumscore filter.
*/
class Filter
{
/**
* Apply filter to document array.
*
* @param array $documents
* @param float $maxScore
* @param float $ratio
* @param string $mode
*
* @return array
*/
public function filterDocuments($documents, $maxScore, $ratio, $mode)
{
$threshold = $maxScore * $ratio;
switch ($mode) {
case Query::FILTER_MODE_REMOVE:
foreach ($documents as $key => $document) {
if ($document->score < $threshold) {
unset($documents[$key]);
}
}
break;
case Query::FILTER_MODE_MARK:
foreach ($documents as $key => $document) {
$documents[$key] = new Document($document, $threshold);
}
break;
default:
throw new OutOfBoundsException('Unknown filter mode in query: '.$mode);
break;
}
return $documents;
}
}