1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
<?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<LastValueSummary>
*/
final class LastValueAggregation implements AggregationInterface
{
public function initialize(): LastValueSummary
{
return new LastValueSummary(null, 0);
}
/**
* @param LastValueSummary $summary
*/
public function record($summary, $value, AttributesInterface $attributes, ContextInterface $context, int $timestamp): void
{
if ($summary->value === null || $timestamp >= $summary->timestamp) {
$summary->value = $value;
$summary->timestamp = $timestamp;
}
}
/**
* @param LastValueSummary $left
* @param LastValueSummary $right
*/
public function merge($left, $right): LastValueSummary
{
return $right->timestamp >= $left->timestamp ? $right : $left;
}
/**
* @param LastValueSummary $left
* @param LastValueSummary $right
*/
public function diff($left, $right): LastValueSummary
{
return $right->timestamp >= $left->timestamp ? $right : $left;
}
/**
* @param array<LastValueSummary> $summaries
*/
public function toData(
array $attributes,
array $summaries,
array $exemplars,
int $startTimestamp,
int $timestamp,
$temporality
): Data\Gauge {
$dataPoints = [];
foreach ($attributes as $key => $dataPointAttributes) {
if ($summaries[$key]->value === null) {
continue;
}
$dataPoints[] = new Data\NumberDataPoint(
$summaries[$key]->value,
$dataPointAttributes,
$startTimestamp,
$timestamp,
$exemplars[$key] ?? [],
);
}
return new Data\Gauge(
$dataPoints,
);
}
}
|
