Class OrderComparator
- java.lang.Object
-
- org.eclipse.rdf4j.query.algebra.evaluation.util.OrderComparator
-
- All Implemented Interfaces:
Comparator<BindingSet>
public class OrderComparator extends Object implements Comparator<BindingSet>
AComparatoronBindingSets that imposes a total ordering by examining suppliedOrderelements (i.e. the elements of an ORDER BY clause), falling back on a custom predictable ordering for BindingSet elements if no ordering is established on the basis of the Order elements.- Author:
- James Leigh, Jeen Broekstra
-
-
Constructor Summary
Constructors Constructor Description OrderComparator(EvaluationStrategy strategy, Order order, ValueComparator cmp, QueryEvaluationContext context)
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description intcompare(BindingSet o1, BindingSet o2)-
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
-
Methods inherited from interface java.util.Comparator
equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong
-
-
-
-
Constructor Detail
-
OrderComparator
public OrderComparator(EvaluationStrategy strategy, Order order, ValueComparator cmp, QueryEvaluationContext context)
-
-
Method Detail
-
compare
public int compare(BindingSet o1, BindingSet o2)
- Specified by:
comparein interfaceComparator<BindingSet>
-
-