Wikimedia\WRStats\WRStatsReader Class Reference

Readers gather a batch of read operations, returning promises. More...

Public Member Functions
	__construct (StatsStore $store, $specs, $prefix)
	fetch ()
	Perform any queued fetch operations.
	getRate ( $metricName, ?EntityKey $entity, TimeRange $range)
	Queue a fetch operation.
	getRates ( $metricNames, ?EntityKey $entity, TimeRange $range)
	Queue a batch of fetch operations for different metrics with the same time range.
	internalGetCount ( $metricName, EntityKey $entity, MetricSpec $metricSpec, SequenceSpec $seqSpec, TimeRange $range)
	latest ( $numSeconds)
	Get a TimeRange for some period ending at the current time.
	perDay ( $rates)
	Resolve a batch of RatePromise objects, returning their per-day rates.
	perHour ( $rates)
	Resolve a batch of RatePromise objects, returning their per-hour rates.
	perMinute ( $rates)
	Resolve a batch of RatePromise objects, returning their per-minute rates.
	perSecond ( $rates)
	Resolve a batch of RatePromise objects, returning their per-second rates.
	resetCurrentTime ()
	Clear the current time so that it will be filled with the real current time on the next call.
	setCurrentTime ( $now)
	Set the current time to be used in latest() etc.
	timeRange ( $start, $end)
	Get a specified time range.
	total ( $rates)
	Resolve a batch of RatePromise objects, returning their counter totals, indexed as in the input array.

Detailed Description

Readers gather a batch of read operations, returning promises.

The batch is executed when the first promise is resolved.

Since

1.39

Definition at line 11 of file WRStatsReader.php.

Constructor & Destructor Documentation

__construct()

Wikimedia\WRStats\WRStatsReader::__construct	(	StatsStore	$store,
			$specs,
			$prefix )

Access: internal

Parameters

StatsStore	$store
array	$specs
string | string[]	$prefix

Definition at line 32 of file WRStatsReader.php.

Member Function Documentation

fetch()

Wikimedia\WRStats\WRStatsReader::fetch

(

)

Perform any queued fetch operations.

Definition at line 127 of file WRStatsReader.php.

Referenced by Wikimedia\WRStats\WRStatsReader\internalGetCount().

getRate()

Wikimedia\WRStats\WRStatsReader::getRate	(		$metricName,
		?EntityKey	$entity,
		TimeRange	$range )

Queue a fetch operation.

Parameters

string	$metricName	The metric name, the key into $specs.
EntityKey | null	$entity	Additional storage key components
TimeRange	$range	The time range to fetch

Returns

RatePromise

Definition at line 77 of file WRStatsReader.php.

Referenced by Wikimedia\WRStats\WRStatsReader\getRates().

getRates()

Wikimedia\WRStats\WRStatsReader::getRates	(		$metricNames,
		?EntityKey	$entity,
		TimeRange	$range )

Queue a batch of fetch operations for different metrics with the same time range.

Parameters

string[]	$metricNames
EntityKey | null	$entity
TimeRange	$range

Returns

RatePromise[]

Definition at line 116 of file WRStatsReader.php.

References Wikimedia\WRStats\WRStatsReader\getRate().

internalGetCount()

Wikimedia\WRStats\WRStatsReader::internalGetCount	(		$metricName,
		EntityKey	$entity,
		MetricSpec	$metricSpec,
		SequenceSpec	$seqSpec,
		TimeRange	$range )

Access: internal

Method for promise resolution

Parameters

string	$metricName
EntityKey	$entity
MetricSpec	$metricSpec
SequenceSpec	$seqSpec
TimeRange	$range

Returns

float|int

Definition at line 170 of file WRStatsReader.php.

References Wikimedia\WRStats\WRStatsReader\fetch(), and Wikimedia\WRStats\TimeRange\getDuration().

latest()

Wikimedia\WRStats\WRStatsReader::latest

(

$numSeconds

)

Get a TimeRange for some period ending at the current time.

Note that this will use the same value of the current time for subsequent calls until resetCurrentTime() is called.

Parameters

int | float

$numSeconds

Returns

TimeRange

Definition at line 53 of file WRStatsReader.php.

perDay()

Wikimedia\WRStats\WRStatsReader::perDay

(

$rates

)

Resolve a batch of RatePromise objects, returning their per-day rates.

Parameters

RatePromise[]

$rates

Returns

float[]

Definition at line 293 of file WRStatsReader.php.

perHour()

Wikimedia\WRStats\WRStatsReader::perHour

(

$rates

)

Resolve a batch of RatePromise objects, returning their per-hour rates.

Parameters

RatePromise[]

$rates

Returns

float[]

Definition at line 279 of file WRStatsReader.php.

perMinute()

Wikimedia\WRStats\WRStatsReader::perMinute

(

$rates

)

Resolve a batch of RatePromise objects, returning their per-minute rates.

Parameters

RatePromise[]

$rates

Returns

float[]

Definition at line 265 of file WRStatsReader.php.

perSecond()

Wikimedia\WRStats\WRStatsReader::perSecond

(

$rates

)

Resolve a batch of RatePromise objects, returning their per-second rates.

Parameters

RatePromise[]

$rates

Returns

float[]

Definition at line 251 of file WRStatsReader.php.

resetCurrentTime()

Wikimedia\WRStats\WRStatsReader::resetCurrentTime

(

)

Clear the current time so that it will be filled with the real current time on the next call.

Definition at line 148 of file WRStatsReader.php.

setCurrentTime()

Wikimedia\WRStats\WRStatsReader::setCurrentTime

(

$now

)

Set the current time to be used in latest() etc.

Parameters

int | float

$now

Definition at line 140 of file WRStatsReader.php.

timeRange()

Wikimedia\WRStats\WRStatsReader::timeRange	(		$start,
			$end )

Get a specified time range.

Parameters

int | float	$start	The UNIX time of the start of the range
int | float	$end	The UNIX time of the end of the range

Returns

TimeRange

Definition at line 65 of file WRStatsReader.php.

total()

Wikimedia\WRStats\WRStatsReader::total

(

$rates

)

Resolve a batch of RatePromise objects, returning their counter totals, indexed as in the input array.

Parameters

RatePromise[]

$rates

Returns

array<string,float|int>

Definition at line 237 of file WRStatsReader.php.

---

The documentation for this class was generated from the following file:

• includes/libs/WRStats/WRStatsReader.php