SMW\Constraint\Constraints\UniqueValueConstraint Class Reference

Inheritance diagram for SMW\Constraint\Constraints\UniqueValueConstraint:

Collaboration diagram for SMW\Constraint\Constraints\UniqueValueConstraint:

Public Member Functions
	__construct (Store $store, PropertySpecificationLookup $propertySpecificationLookup)
	hasViolation ()
	getType ()
	checkConstraint (array $constraint, $dataValue)

Public Attributes
const	CONSTRAINT_KEY = 'unique_value_constraint'
Public Attributes inherited from SMW\Constraint\Constraint
const	CLASS_CONSTRAINT_SCHEMA = 'CLASS_CONSTRAINT_SCHEMA'
const	PROPERTY_CONSTRAINT_SCHEMA = 'PROPERTY_CONSTRAINT_SCHEMA'
const	TYPE_INSTANT = 'type/instant'
const	TYPE_DEFERRED = 'type/deferred'

Detailed Description

The unique_value_constraint implicitly requires a GLOBAL_SCOPE (instead of only an ENTITY_SCOPE which would just require a single_value_constraint).

GNU GPL v2+

Since

3.1

Author

mwjames

Constructor & Destructor Documentation

__construct()

SMW\Constraint\Constraints\UniqueValueConstraint::__construct	(	Store	$store,
		PropertySpecificationLookup	$propertySpecificationLookup
	)

Since

2.4

Parameters

Store	$store
PropertySpecificationLookup	$propertySpecificationLookup

Member Function Documentation

checkConstraint()

SMW\Constraint\Constraints\UniqueValueConstraint::checkConstraint	(	array	$constraint,
			$dataValue
	)

Since

3.1

Checks a constraint against a single value. Any error that occurred during the processing should be attached to an individual value using the ConstraintError class.

Since

3.1

Parameters

array	$constraint
mixed	$value

Implements SMW\Constraint\Constraint.

getType()

SMW\Constraint\Constraints\UniqueValueConstraint::getType

(

)

Since

3.1

Since

3.1

Returns

string

Implements SMW\Constraint\Constraint.

hasViolation()

SMW\Constraint\Constraints\UniqueValueConstraint::hasViolation

(

)

Since

3.1

Returns true when a violation during the check occurred.

Since

3.1

Returns

boolean

Implements SMW\Constraint\Constraint.

Member Data Documentation

CONSTRAINT_KEY

const SMW\Constraint\Constraints\UniqueValueConstraint::CONSTRAINT_KEY = 'unique_value_constraint'

Defines the expected key in the JSON

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

• UniqueValueConstraint.php