ValueComparator

java.lang.Object

org.eclipse.rdf4j.query.algebra.evaluation.util.ValueComparator

All Implemented Interfaces:: Comparator<Value>

public class ValueComparator extends Object implements Comparator<Value>

A comparator that compares values according the SPARQL value ordering as specified in SPARQL Query Language for RDF.

Field Summary

Fields

Modifier and Type

Field

Description

private boolean

strict
Constructor Summary

Constructors

Constructor

Description

ValueComparator()
Method Summary

Modifier and Type

Method

Description

int

compare(Value o1, Value o2)

private int

compareBNodes(BNode leftBNode, BNode rightBNode)

private int

compareDatatypes(CoreDatatype.XSD leftDatatype, CoreDatatype.XSD rightDatatype, IRI leftDatatypeIRI, IRI rightDatatypeIRI)

private int

compareLiterals(Literal leftLit, Literal rightLit)

private QueryEvaluationUtility.Order

compareNonPlainLiterals(Literal leftLit, Literal rightLit)

private int

comparePlainLiterals(Literal leftLit, Literal rightLit)

private int

compareTriples(Triple leftTriple, Triple rightTriple)

private int

compareURIs(IRI leftURI, IRI rightURI)

boolean

isStrict()

void

setStrict(boolean flag)

Methods inherited from class Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface Comparator
equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Field Details
- strict
  
  private boolean strict
Constructor Details
- ValueComparator
  
  public ValueComparator()
Method Details
- compare
  
  public int compare(Value o1, Value o2)
  
  Specified by:
  
  compare in interface Comparator<Value>
- setStrict
  
  public void setStrict(boolean flag)
- isStrict
  
  public boolean isStrict()
- compareBNodes
  
  private int compareBNodes(BNode leftBNode, BNode rightBNode)
- compareURIs
  
  private int compareURIs(IRI leftURI, IRI rightURI)
- compareLiterals
  
  private int compareLiterals(Literal leftLit, Literal rightLit)
- compareNonPlainLiterals
  
  private QueryEvaluationUtility.Order compareNonPlainLiterals(Literal leftLit, Literal rightLit)
- comparePlainLiterals
  
  private int comparePlainLiterals(Literal leftLit, Literal rightLit)
- compareDatatypes
  
  private int compareDatatypes(CoreDatatype.XSD leftDatatype, CoreDatatype.XSD rightDatatype, IRI leftDatatypeIRI, IRI rightDatatypeIRI)
- compareTriples
  
  private int compareTriples(Triple leftTriple, Triple rightTriple)