Class Random

java.lang.Object

org.eclipse.rdf4j.spin.function.spif.Random

All Implemented Interfaces:

Function

public class Random
extends Object
implements Function

Constructor Summary

Constructors

Constructor	Description
Random()

Method Summary

Modifier and Type	Method	Description
Value	evaluate(ValueFactory valueFactory, Value... args)	Evaluate the function over the supplied input arguments, using the supplied ValueFactory to produce the result.
String	getURI()
boolean	mustReturnDifferentResult()	UUID() and STRUUID() must return a different result for each invocation.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.eclipse.rdf4j.query.algebra.evaluation.function.Function

evaluate

Constructor Details

Random

public Random()

Method Details

getURI

public String getURI()

Specified by:

getURI in interface Function

evaluate

public Value evaluate(ValueFactory valueFactory,
 Value... args)
               throws ValueExprEvaluationException

Description copied from interface: Function

Evaluate the function over the supplied input arguments, using the supplied ValueFactory to produce the result.

Specified by:

evaluate in interface Function

Parameters:

valueFactory - a ValueFactory to use for producing the function result.

args - the function input arguments.

Returns:

the function result value.

Throws:

ValueExprEvaluationException

mustReturnDifferentResult

public boolean mustReturnDifferentResult()

Description copied from interface: Function

UUID() and STRUUID() must return a different result for each invocation.

Specified by:

mustReturnDifferentResult in interface Function

Returns:

if each invocation must return a different result.