org.apache.lucene.facet

Class TopOrdAndFloatQueue

java.lang.Object

org.apache.lucene.util.PriorityQueue<TopOrdAndFloatQueue.OrdAndValue>

org.apache.lucene.facet.TopOrdAndFloatQueue

All Implemented Interfaces:

Iterable<TopOrdAndFloatQueue.OrdAndValue>

public class TopOrdAndFloatQueue
extends PriorityQueue<TopOrdAndFloatQueue.OrdAndValue>

Keeps highest results, first by largest float value, then tie break by smallest ord.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TopOrdAndFloatQueue.OrdAndValue Holds a single entry.

Constructor Summary

Constructors

Constructor and Description
TopOrdAndFloatQueue(int topN) Sole constructor.

Method Summary

Modifier and Type	Method and Description
protected boolean	lessThan(TopOrdAndFloatQueue.OrdAndValue a, TopOrdAndFloatQueue.OrdAndValue b) Determines the ordering of objects in this priority queue.

Methods inherited from class org.apache.lucene.util.PriorityQueue

add, clear, getHeapArray, getSentinelObject, insertWithOverflow, iterator, pop, remove, size, top, updateTop, updateTop

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

TopOrdAndFloatQueue

public TopOrdAndFloatQueue(int topN)

Sole constructor.

Method Detail

lessThan

protected boolean lessThan(TopOrdAndFloatQueue.OrdAndValue a,
                           TopOrdAndFloatQueue.OrdAndValue b)

Description copied from class: PriorityQueue

Determines the ordering of objects in this priority queue. Subclasses must define this one method.

Specified by:

lessThan in class PriorityQueue<TopOrdAndFloatQueue.OrdAndValue>

Returns:

true iff parameter a is less than parameter b.