Package org.eclipse.rdf4j.spin.function

Class EvalFunction

java.lang.Object

org.eclipse.rdf4j.spin.function.AbstractSpinFunction

org.eclipse.rdf4j.spin.function.EvalFunction

All Implemented Interfaces:

Function

public class EvalFunction
extends AbstractSpinFunction
implements Function

Constructor Summary

Constructors

Constructor	Description
EvalFunction()
EvalFunction(SpinParser parser)

Method Summary

Modifier and Type	Method	Description
protected static void	addArguments(Query query, Value... args)
Value	evaluate(ValueFactory valueFactory, Value... args)	Evaluate the function over the supplied input arguments, using the supplied ValueFactory to produce the result.
SpinParser	getSpinParser()
void	setSpinParser(SpinParser parser)

Methods inherited from class org.eclipse.rdf4j.spin.function.AbstractSpinFunction

addBindings, getCurrentQueryPreparer, getQueryPreparer, getURI, setQueryPreparer

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, getURI

Constructor Details

EvalFunction

public EvalFunction()

EvalFunction

public EvalFunction(SpinParser parser)

Method Details

getSpinParser

public SpinParser getSpinParser()

setSpinParser

public void setSpinParser(SpinParser parser)

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

addArguments

protected static void addArguments(Query query,
 Value... args)
                            throws ValueExprEvaluationException

Throws:

ValueExprEvaluationException