org.openanzo.glitter.expression.builtin
Class RegEx

java.lang.Object
  org.openanzo.glitter.expression.FunctionBase
      org.openanzo.glitter.expression.builtin.RegEx

All Implemented Interfaces:

Function, FunctionOnValues

public class RegEx
extends FunctionBase
implements FunctionOnValues

Implements the SPARQL regex function.

Author:

lee

Nested Class Summary

class

RegEx.InvalidRegularExpressionFlagException Thrown for an unrecognized regular expression flag.

Constructor Summary

RegEx()

Method Summary

RDFTerm	call(java.util.List<RDFTerm> arguments) Invokes the function and determines a return value.
java.net.URI	getIdentifier()

Methods inherited from class org.openanzo.glitter.expression.FunctionBase

compareBooleans, compareBooleans, compareDateTimes, compareNumerics, compareStringLiterals, operatesOnTypeErrors, operatesOnValues

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.openanzo.glitter.expression.Function

operatesOnTypeErrors, operatesOnValues

Constructor Detail

RegEx

public RegEx()

Method Detail

call

public RDFTerm call(java.util.List<RDFTerm> arguments)
             throws ExpressionEvaluationException

Description copied from interface: FunctionOnValues

Invokes the function and determines a return value.

Specified by:

call in interface FunctionOnValues

Parameters:

arguments - The (evaluated) RDF terms being passed to the function

Returns:

The result of evaluating this function against the given arguments

Throws:

ExpressionEvaluationException - For invalid types, or other expression evalutaion problems

getIdentifier

public java.net.URI getIdentifier()

Specified by:

getIdentifier in interface Function

Returns:

The identifier for this function