Startwind\Inventorio\Metrics\Collector\Metric\FileLinesMetric::getValue()

Complexity

Conditions	3
Paths	3

Size

Total Lines	17
Code Lines	8

Duplication

Lines	0
Ratio	0 %

Importance

Changes	3
Bugs	0	Features	0

<?php
    public function getValue(float $lastValue): float
    {
        $lastLineCount = Memory::getInstance()->getLastData($this->getName() . '_absolute', -1);
        $lineCount = $this->getLineCount($this->filename);
        Memory::getInstance()->addData($this->getName() . '_absolute', $lineCount);

        // this is the first run we return 0 to skip this value
        if ($lastLineCount < 0) {
            return 0;
        }

        // we assume that there was a log rotation done here
        if ($lineCount < $lastLineCount) {
            return $lineCount;
        }

        return $lineCount - $lastLineCount;
    }
}