wiki.techinc.nl/includes/libs/WRStats/RatePromise.php
Timo Tijhof d1ff49d27d WRStats: Improve various docs
Change-Id: I3c3e9c155cedc347a600cad16301c484e50b6f90
2023-09-21 13:11:47 -07:00

106 lines
2.1 KiB
PHP

<?php
namespace Wikimedia\WRStats;
/**
* A WRStats query result promise. It contains the input parameters to a query.
* When an accessor method is called, it triggers batch query execution in the
* parent WRStatsReader.
*
* @since 1.39
*/
class RatePromise {
/** @var WRStatsReader */
private $reader;
/** @var string */
private $name;
/** @var EntityKey */
private $entity;
/** @var MetricSpec */
private $metricSpec;
/** @var SequenceSpec */
private $seqSpec;
/** @var TimeRange */
private $range;
/** @var int|float|null Lazy-initialised query result */
private $total;
/**
* @internal Use via WRStatsReader from WRStatsFactory::createReader instead
* @param WRStatsReader $reader
* @param string $name
* @param EntityKey $entity
* @param MetricSpec $metricSpec
* @param SequenceSpec $seqSpec
* @param TimeRange $range
*/
public function __construct(
WRStatsReader $reader,
string $name,
EntityKey $entity,
MetricSpec $metricSpec,
SequenceSpec $seqSpec,
TimeRange $range
) {
$this->reader = $reader;
$this->name = $name;
$this->entity = $entity;
$this->metricSpec = $metricSpec;
$this->seqSpec = $seqSpec;
$this->range = $range;
}
/**
* Get the total counter value summed over the specified time range.
*
* @return float|int
*/
public function total() {
if ( $this->total === null ) {
$this->total = $this->reader->internalGetCount(
$this->name,
$this->entity,
$this->metricSpec,
$this->seqSpec,
$this->range
);
}
return $this->total;
}
/**
* Get the counter value as a rate per second.
*
* @return float
*/
public function perSecond() {
return $this->total() / $this->range->getDuration();
}
/**
* Get the counter value as a rate per minute
*
* @return float
*/
public function perMinute() {
return $this->perSecond() * 60;
}
/**
* Get the counter value as a rate per hour
*
* @return float
*/
public function perHour() {
return $this->perSecond() * 3600;
}
/**
* Get the counter value as a rate per day
*
* @return float
*/
public function perDay() {
return $this->perSecond() * 86400;
}
}