ddf.catalog.util.impl

Class RelevanceResultComparator

java.lang.Object

ddf.catalog.util.impl.RelevanceResultComparator

All Implemented Interfaces:

Comparator<Result>

public class RelevanceResultComparator
extends Object
implements Comparator<Result>

Comparator for the relevance of 2 Result objects.

Constructor Summary

Constructors

Constructor and Description
RelevanceResultComparator(org.opengis.filter.sort.SortOrder relevanceOrder) Constructs the comparator with the specified sort order, either relevance ascending or relevance descending.

Method Summary

Modifier and Type	Method and Description
int	compare(Result contentA, Result contentB) Compares the relevance between the two results.

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

RelevanceResultComparator

public RelevanceResultComparator(org.opengis.filter.sort.SortOrder relevanceOrder)

Constructs the comparator with the specified sort order, either relevance ascending or relevance descending.

Parameters:

relevanceOrder - the relevance sort order

Method Detail

compare

public int compare(Result contentA,
                   Result contentB)

Compares the relevance between the two results.

Specified by:

compare in interface Comparator<Result>

Returns:

1 if A is null and B is non-null -1 if A is non-null and B is null 0 if both A and B are null 1 if ascending relevance and A > B; -1 if ascending relevance and B > A -1 if descending relevance and A > B; 1 if descending relevance and B > A