org.eclipse.rdf4j.federated.optimizer

Class NaryJoinArgumentsComparator

java.lang.Object

org.eclipse.rdf4j.federated.optimizer.NaryJoinArgumentsComparator

All Implemented Interfaces:

Comparator<TupleExpr>

public class NaryJoinArgumentsComparator
extends Object
implements Comparator<TupleExpr>

Comparator: partial order: OwnedStatementSourcePatternGroup -> OwnedStatementSourcePattern -> StatementSourcePattern

Author:

Andreas

Constructor Summary

Constructors

Constructor and Description
NaryJoinArgumentsComparator()

Method Summary

Modifier and Type	Method and Description
int	compare(TupleExpr a, TupleExpr b)

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

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

NaryJoinArgumentsComparator

public NaryJoinArgumentsComparator()

Method Detail

compare

public int compare(TupleExpr a,
                   TupleExpr b)

Specified by:

compare in interface Comparator<TupleExpr>