41 lines
1.1 KiB
PHP
41 lines
1.1 KiB
PHP
<?php
|
|
|
|
declare(strict_types=1);
|
|
|
|
namespace OpenTelemetry\SDK\Metrics\Exemplar;
|
|
|
|
use function count;
|
|
use OpenTelemetry\Context\ContextInterface;
|
|
use OpenTelemetry\SDK\Common\Attribute\AttributesInterface;
|
|
|
|
final class HistogramBucketReservoir implements ExemplarReservoirInterface
|
|
{
|
|
private BucketStorage $storage;
|
|
/**
|
|
* @var list<float|int>
|
|
*/
|
|
private array $boundaries;
|
|
|
|
/**
|
|
* @param list<float|int> $boundaries
|
|
*/
|
|
public function __construct(array $boundaries)
|
|
{
|
|
$this->storage = new BucketStorage(count($boundaries) + 1);
|
|
$this->boundaries = $boundaries;
|
|
}
|
|
|
|
public function offer($index, $value, AttributesInterface $attributes, ContextInterface $context, int $timestamp): void
|
|
{
|
|
$boundariesCount = count($this->boundaries);
|
|
for ($i = 0; $i < $boundariesCount && $this->boundaries[$i] < $value; $i++) {
|
|
}
|
|
$this->storage->store($i, $index, $value, $attributes, $context, $timestamp);
|
|
}
|
|
|
|
public function collect(array $dataPointAttributes): array
|
|
{
|
|
return $this->storage->collect($dataPointAttributes);
|
|
}
|
|
}
|