Class RegexValueEvaluationStepSupplier

java.lang.Object

org.eclipse.rdf4j.query.algebra.evaluation.impl.evaluationsteps.RegexValueEvaluationStepSupplier

public class RegexValueEvaluationStepSupplier
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static final class	RegexValueEvaluationStepSupplier.ChangingRegexQueryValueEvaluationStep	Returns value evaluation steps that determines whether the two operands match according to the regex operator.

Constructor Summary

Constructors

Constructor	Description
RegexValueEvaluationStepSupplier()

Method Summary

Modifier and Type	Method	Description
private static QueryValueEvaluationStep	allRegexPartsAreConstant(QueryValueEvaluationStep argStep, QueryValueEvaluationStep pargStep, QueryValueEvaluationStep fargStep, ValueExpr flagsArg)
private static int	extractRegexFlags(Value farg)
static QueryValueEvaluationStep	make(EvaluationStrategy strategy, Regex node, QueryEvaluationContext context)
private static QueryValueEvaluationStep	regexAndFlagsAreConstant(QueryValueEvaluationStep argStep, QueryValueEvaluationStep pargStep, QueryValueEvaluationStep fargStep, ValueExpr flagsArg)

Methods inherited from class Object

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

Constructor Details

RegexValueEvaluationStepSupplier

public RegexValueEvaluationStepSupplier()

Method Details

make

public static QueryValueEvaluationStep make(EvaluationStrategy strategy,
 Regex node,
 QueryEvaluationContext context)

regexAndFlagsAreConstant

private static QueryValueEvaluationStep regexAndFlagsAreConstant(QueryValueEvaluationStep argStep,
 QueryValueEvaluationStep pargStep,
 QueryValueEvaluationStep fargStep,
 ValueExpr flagsArg)

allRegexPartsAreConstant

private static QueryValueEvaluationStep allRegexPartsAreConstant(QueryValueEvaluationStep argStep,
 QueryValueEvaluationStep pargStep,
 QueryValueEvaluationStep fargStep,
 ValueExpr flagsArg)

extractRegexFlags

private static int extractRegexFlags(Value farg)