Package org.eclipse.rdf4j.query.algebra.evaluation.function

Class UnaryFunction

java.lang.Object

org.eclipse.rdf4j.query.algebra.evaluation.function.UnaryFunction

All Implemented Interfaces:

Function

Direct Known Subclasses:

IsValidURI, Localname, Not, TimeMillis, Trim, UnCamelCase

public abstract class UnaryFunction
extends Object
implements Function

Constructor Summary

Constructors

Constructor	Description
UnaryFunction()

Method Summary

Modifier and Type	Method	Description
protected abstract Value	evaluate(ValueFactory valueFactory, Value arg)
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 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, mustReturnDifferentResult

Constructor Details

UnaryFunction

public UnaryFunction()

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

evaluate

protected abstract Value evaluate(ValueFactory valueFactory,
 Value arg)
                           throws ValueExprEvaluationException

Throws:

ValueExprEvaluationException