Public Member Functions
	__construct (Store $store, IteratorFactory $iteratorFactory)

	checkConstraint (DIProperty $property, DataItem $dataItem, RequestOptions $requestOptions)

Detailed Description

GNU GPL v2+

Since: 3.0

Author: mwjames

Constructor & Destructor Documentation

◆ __construct()

SMW\SQLStore\EntityValueUniquenessConstraintChecker::__construct	(	Store	$store,
		IteratorFactory	$iteratorFactory
	)

Since: 3.0

Parameters

SQLStore	$store
IteratorFactory	$iteratorFactory

Member Function Documentation

◆ checkConstraint()

SMW\SQLStore\EntityValueUniquenessConstraintChecker::checkConstraint	(	DIProperty	$property,
		DataItem	$dataItem,
		RequestOptions	$requestOptions
	)

Find references (all or limited by RequestOptions) for the combination of a property and a value. This can be used to identify uniqueness violations amongst entities where the same value (+property) is assigned to different subjects or it be used to count the cardinality for a specific value representation.

Since: 3.0