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