MediaWiki\Sparql\SparqlClient Class Reference

Simple SPARQL client. More...

Collaboration diagram for MediaWiki\Sparql\SparqlClient:

Public Member Functions
	__construct ( $url, HttpRequestFactory $requestFactory)
	appendUserAgent ( $agent)
	Append specific string to user agent.
	getUserAgent ()
	Get current user agent.
	query ( $sparql, $rawData=false)
	Query SPARQL endpoint.
	setClientOptions ( $options)
	Set client options.
	setTimeout ( $timeout)
	Set query timeout (in seconds)
	setUserAgent ( $agent)
	Set user agent string.

Public Attributes
const	MAX_GET_SIZE = 2048
	Limit on how long can be the query to be sent by GET.

Private Member Functions
	extractData ( $data, $rawData=false)
	Extract data from SPARQL response format.

Private Attributes
string	$endpoint
	SPARQL endpoint URL.
array	$options = []
	Client options.
HttpRequestFactory	$requestFactory
int	$timeout = 30
	Query timeout (seconds)
string	$userAgent
	User agent for HTTP requests.

Detailed Description

Simple SPARQL client.

Author

Stas Malyshev

Definition at line 31 of file SparqlClient.php.

Constructor & Destructor Documentation

__construct()

MediaWiki\Sparql\SparqlClient::__construct	(		$url,
		HttpRequestFactory	$requestFactory
	)

Parameters

string	$url	SPARQL Endpoint
HttpRequestFactory	$requestFactory

Definition at line 71 of file SparqlClient.php.

References MediaWiki\Sparql\SparqlClient\$requestFactory, and Http\userAgent().

Member Function Documentation

appendUserAgent()

MediaWiki\Sparql\SparqlClient::appendUserAgent

(

$agent

)

Append specific string to user agent.

This is the recommended way of specifying the user agent for specific applications of the SparqlClient inside MediaWiki and extension code.

Parameters

string

$agent

Definition at line 129 of file SparqlClient.php.

extractData()

MediaWiki\Sparql\SparqlClient::extractData (   $data,   $rawData = false  )

private

Extract data from SPARQL response format.

The response must be in format described in: https://www.w3.org/TR/sparql11-results-json/

Parameters

array	$data	SPARQL result
bool	$rawData	Whether to return only values or full data objects

Returns

array List of results, one row per element.

Definition at line 197 of file SparqlClient.php.

Referenced by MediaWiki\Sparql\SparqlClient\query().

getUserAgent()

MediaWiki\Sparql\SparqlClient::getUserAgent

(

)

Get current user agent.

Returns

string

Definition at line 103 of file SparqlClient.php.

References MediaWiki\Sparql\SparqlClient\$userAgent.

query()

MediaWiki\Sparql\SparqlClient::query	(		$sparql,
			$rawData = false
	)

Query SPARQL endpoint.

Parameters

string	$sparql	query
bool	$rawData	Whether to return only values or full data objects

Returns

array List of results, one row per array element Each row will contain fields indexed by variable name.

Exceptions

SparqlException

Definition at line 143 of file SparqlClient.php.

References MediaWiki\Sparql\SparqlClient\$options, MediaWiki\Sparql\SparqlClient\$timeout, MediaWiki\Sparql\SparqlClient\$userAgent, MediaWiki\Sparql\SparqlClient\extractData(), and wfAppendQuery().

setClientOptions()

MediaWiki\Sparql\SparqlClient::setClientOptions

(

$options

)

Set client options.

Parameters

array

$options

Returns

$this

Definition at line 94 of file SparqlClient.php.

References MediaWiki\Sparql\SparqlClient\$options.

setTimeout()

MediaWiki\Sparql\SparqlClient::setTimeout

(

$timeout

)

Set query timeout (in seconds)

Parameters

int

$timeout

Returns

$this

Definition at line 82 of file SparqlClient.php.

References MediaWiki\Sparql\SparqlClient\$timeout.

setUserAgent()

MediaWiki\Sparql\SparqlClient::setUserAgent

(

$agent

)

Set user agent string.

Mote it is not recommended to completely override user agent for most applications.

See also

appendUserAgent() for recommended way of specifying user agent.

Parameters

string

$agent

Definition at line 116 of file SparqlClient.php.

Member Data Documentation

$endpoint

string MediaWiki\Sparql\SparqlClient::$endpoint

private

SPARQL endpoint URL.

Definition at line 54 of file SparqlClient.php.

$options

array MediaWiki\Sparql\SparqlClient::$options = []

private

Client options.

Definition at line 60 of file SparqlClient.php.

Referenced by MediaWiki\Sparql\SparqlClient\query(), and MediaWiki\Sparql\SparqlClient\setClientOptions().

$requestFactory

HttpRequestFactory MediaWiki\Sparql\SparqlClient::$requestFactory

private

Definition at line 65 of file SparqlClient.php.

Referenced by MediaWiki\Sparql\SparqlClient\__construct().

$timeout

int MediaWiki\Sparql\SparqlClient::$timeout = 30

private

Query timeout (seconds)

Definition at line 48 of file SparqlClient.php.

Referenced by MediaWiki\Sparql\SparqlClient\query(), and MediaWiki\Sparql\SparqlClient\setTimeout().

$userAgent

string MediaWiki\Sparql\SparqlClient::$userAgent

private

User agent for HTTP requests.

Definition at line 42 of file SparqlClient.php.

Referenced by MediaWiki\Sparql\SparqlClient\getUserAgent(), and MediaWiki\Sparql\SparqlClient\query().

MAX_GET_SIZE

const MediaWiki\Sparql\SparqlClient::MAX_GET_SIZE = 2048

Limit on how long can be the query to be sent by GET.

Definition at line 36 of file SparqlClient.php.

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

• includes/sparql/SparqlClient.php