Class ObjectFunction

java.lang.Object

org.eclipse.rdf4j.spin.function.AbstractSpinFunction

org.eclipse.rdf4j.spin.function.ObjectFunction

All Implemented Interfaces:

Function

public class ObjectFunction
extends AbstractSpinFunction
implements Function

Constructor Summary

Constructors

Constructor	Description
ObjectFunction()

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.

Methods inherited from class AbstractSpinFunction

addBindings, getCurrentQueryPreparer, getQueryPreparer, getURI, setQueryPreparer

Modifier and Type	Method	Description
protected static void	addBindings(Query query, Value... args)
protected QueryPreparer	getCurrentQueryPreparer()
QueryPreparer	getQueryPreparer()
String	getURI()
void	setQueryPreparer(QueryPreparer queryPreparer)

Methods inherited from class Object

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

Methods inherited from interface Function

evaluate, getURI, mustReturnDifferentResult

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

Constructor Details

ObjectFunction

public ObjectFunction()

Method Details

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