org.apache.solr.analytics.facet.compare

Class FacetResultsComparator

java.lang.Object

org.apache.solr.analytics.facet.compare.FacetResultsComparator

All Implemented Interfaces:

Comparator<SortableFacet.FacetBucket>

Direct Known Subclasses:

ConstantComparator, DelegatingComparator, ExpressionComparator, FacetValueComparator

public abstract class FacetResultsComparator
extends Object
implements Comparator<SortableFacet.FacetBucket>

A comparator used to sort the buckets of facet.

Field Summary

Fields

Modifier and Type	Field and Description
protected int	resultMult

Constructor Summary

Constructors

Constructor and Description
FacetResultsComparator() Create a results comparator assuming an ascending ordering.

Method Summary

Modifier and Type	Method and Description
abstract int	compare(SortableFacet.FacetBucket b1, SortableFacet.FacetBucket b2) Compare one facet bucket to another.
void	setDirection(boolean ascending) Set the order direction for comparison.

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

Field Detail

resultMult

protected int resultMult

Constructor Detail

FacetResultsComparator

public FacetResultsComparator()

Create a results comparator assuming an ascending ordering.

Method Detail

setDirection

public void setDirection(boolean ascending)

Set the order direction for comparison.

Parameters:

ascending - whether to compare using an ascending ordering

compare

public abstract int compare(SortableFacet.FacetBucket b1,
                            SortableFacet.FacetBucket b2)

Compare one facet bucket to another.

Specified by:

compare in interface Comparator<SortableFacet.FacetBucket>

Parameters:

b1 - the first bucket to compare

b2 - the second bucket to compare