Package ddf.catalog.util.impl

Class DistanceResultComparator

java.lang.Object

ddf.catalog.util.impl.DistanceResultComparator

All Implemented Interfaces:

Comparator<ddf.catalog.data.Result>

public class DistanceResultComparator
extends Object
implements Comparator<ddf.catalog.data.Result>

Comparator for the distance (in meters) of 2 Result objects.

Constructor Summary

Constructors

Constructor	Description
DistanceResultComparator(org.geotools.api.filter.sort.SortOrder distanceOrder)	Constructs the comparator with the specified sort order, either distance ascending or distance descending.

Method Summary

Modifier and Type	Method	Description
int	compare(ddf.catalog.data.Result contentA, ddf.catalog.data.Result contentB)	Compares the distance (in meters) 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

equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Details

DistanceResultComparator

public DistanceResultComparator(org.geotools.api.filter.sort.SortOrder distanceOrder)

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

Parameters:

distanceOrder - the distance sort order

Method Details

compare

public int compare(ddf.catalog.data.Result contentA,
 ddf.catalog.data.Result contentB)

Compares the distance (in meters) between the two results.

Specified by:

compare in interface Comparator<ddf.catalog.data.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 sort order and A > B; -1 if ascending sort order and B > A -1 if descending sort order and A > B; 1 if descending sort order and B > A