66 lines
1.3 KiB
PHP
66 lines
1.3 KiB
PHP
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<?php
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declare(strict_types=1);
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namespace OpenTelemetry\SDK\Metrics\Data;
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use OpenTelemetry\SDK\Common\Attribute\AttributesInterface;
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final class Exemplar
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{
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/**
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* @var int|string
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*/
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private $index;
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/**
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* @var float|int
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* @readonly
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*/
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public $value;
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/**
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* @readonly
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*/
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public int $timestamp;
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/**
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* @readonly
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*/
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public AttributesInterface $attributes;
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/**
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* @readonly
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*/
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public ?string $traceId;
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/**
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* @readonly
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*/
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public ?string $spanId;
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/**
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* @param int|string $index
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* @param float|int $value
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*/
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public function __construct($index, $value, int $timestamp, AttributesInterface $attributes, ?string $traceId, ?string $spanId)
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{
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$this->index = $index;
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$this->value = $value;
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$this->timestamp = $timestamp;
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$this->attributes = $attributes;
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$this->traceId = $traceId;
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$this->spanId = $spanId;
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}
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/**
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* @param iterable<Exemplar> $exemplars
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* @return array<list<Exemplar>>
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*/
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public static function groupByIndex(iterable $exemplars): array
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{
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$grouped = [];
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foreach ($exemplars as $exemplar) {
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$grouped[$exemplar->index][] = $exemplar;
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}
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return $grouped;
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}
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}
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