HDNET\CacheCheck\Service\Analyzer\HitRate

Complexity

Total Complexity

2

Size/Duplication

Total Lines	33
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	2

Importance

Changes	3
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	getKpi()	0	9	1
A	getFormat()	0	4	1

<?php
/**
 * Hit rate
 *
 * @package CacheCheck\Service\Analyzer
 * @author  Tim Lochmüller
 */

namespace HDNET\CacheCheck\Service\Analyzer;

use HDNET\CacheCheck\Domain\Model\Cache;

/**
 * Hit rate
 *
 * @author Tim Lochmüller
 */
class HitRate extends AbstractAnalyzer
{

    /**
     * Get the given KPI
     *
     * @param Cache $cache
     *
     * @return mixed
     * @throws \HDNET\CacheCheck\Exception
     */
    public function getKpi(Cache $cache)
    {
        $queryValues = [
            'SELECT' => 'COUNT(DISTINCT allTrue.uid) / COUNT(DISTINCT hasGetRequireOnce.uid) as hitRate',
            'FROM'   => "(SELECT uid,request_hash,entry_identifier,called_method FROM tx_cachecheck_domain_model_log WHERE cache_name = '" . $cache->getName() . "' AND called_method IN ('has', 'get', 'requireOnce')) hasGetRequireOnce, (SELECT uid,request_hash,entry_identifier,called_method FROM tx_cachecheck_domain_model_log WHERE cache_name = '" . $cache->getName() . "' AND called_method IN ('hasTRUE', 'getTRUE', 'requireOnceTRUE')) allTrue",
            'WHERE'  => 'hasGetRequireOnce.entry_identifier = allTrue.entry_identifier AND hasGetRequireOnce.request_hash = allTrue.request_hash AND hasGetRequireOnce.uid < allTrue.uid',
        ];
        return (float)$this->getDynamicFromDatabase($queryValues);
    }

    /**
     * Format the given KPI
     *
     * @param mixed $kpi
     *
     * @return string
     */
    public function getFormat($kpi)
    {
        return round($kpi * 100, 2) . '%';
    }
}