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|
<?php
declare(strict_types=1);
namespace OpenTelemetry\SDK\Metrics\Aggregation;
use OpenTelemetry\Context\ContextInterface;
use OpenTelemetry\SDK\Common\Attribute\AttributesInterface;
use OpenTelemetry\SDK\Metrics\AggregationInterface;
use OpenTelemetry\SDK\Metrics\Data;
/**
* @implements AggregationInterface<SumSummary>
*/
final class SumAggregation implements AggregationInterface
{
private bool $monotonic;
public function __construct(bool $monotonic = false)
{
$this->monotonic = $monotonic;
}
public function initialize(): SumSummary
{
return new SumSummary(0);
}
/**
* @param SumSummary $summary
*/
public function record($summary, $value, AttributesInterface $attributes, ContextInterface $context, int $timestamp): void
{
$summary->value += $value;
}
/**
* @param SumSummary $left
* @param SumSummary $right
*/
public function merge($left, $right): SumSummary
{
$sum = $left->value + $right->value;
return new SumSummary(
$sum,
);
}
/**
* @param SumSummary $left
* @param SumSummary $right
*/
public function diff($left, $right): SumSummary
{
$sum = -$left->value + $right->value;
return new SumSummary(
$sum,
);
}
/**
* @param array<SumSummary> $summaries
*/
public function toData(
array $attributes,
array $summaries,
array $exemplars,
int $startTimestamp,
int $timestamp,
$temporality
): Data\Sum {
$dataPoints = [];
foreach ($attributes as $key => $dataPointAttributes) {
$dataPoints[] = new Data\NumberDataPoint(
$summaries[$key]->value,
$dataPointAttributes,
$startTimestamp,
$timestamp,
$exemplars[$key] ?? [],
);
}
return new Data\Sum(
$dataPoints,
$temporality,
$this->monotonic,
);
}
}
|
