org.kuali.rice.krms.framework.engine.expression

Interface EngineComparatorExtension<A>

All Superinterfaces:

Comparator<A>

All Known Implementing Classes:

DefaultComparisonOperator

public interface EngineComparatorExtension<A>
extends Comparator<A>

For creating custom ComparisonOperator.

Author:

Kuali Rice Team (rice.collab@kuali.org)

Method Summary

Modifier and Type	Method and Description
boolean	canCompare(Object lhs, Object rhs)
int	compare(A lhs, A rhs)

Methods inherited from interface java.util.Comparator

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

Method Detail

compare

int compare(A lhs,
            A rhs)

Specified by:

compare in interface Comparator<A>

Parameters:

lhs -

rhs -

Returns:

int where 0 is equals - is less than and + is greater than

canCompare

boolean canCompare(Object lhs,
                   Object rhs)

Parameters:

lhs -

rhs -

Returns:

able to compare lhs and rhs