Package org.apache.lucene.search.grouping

Class LongRangeFactory

java.lang.Object

org.apache.lucene.search.grouping.LongRangeFactory

public class LongRangeFactory
extends Object

Groups double values into ranges

Constructor Summary

Constructors

Constructor	Description
LongRangeFactory(long min, long width, long max)	Creates a new LongRangeFactory

Method Summary

Modifier and Type	Method	Description
LongRange	getRange(long value, LongRange reuse)	Finds the LongRange that a value should be grouped into

Methods inherited from class java.lang.Object

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

Constructor Details

LongRangeFactory

public LongRangeFactory(long min,
 long width,
 long max)

Creates a new LongRangeFactory

Parameters:

min - a minimum value; all longs below this value are grouped into a single range

width - a standard width; all ranges between min and max are this wide, with the exception of the final range which may be up to this width. Ranges are inclusive at the lower end, and exclusive at the upper end.

max - a maximum value; all longs above this value are grouped into a single range

Method Details

getRange

public LongRange getRange(long value,
 LongRange reuse)

Finds the LongRange that a value should be grouped into

Parameters:

value - the value to group

reuse - an existing LongRange object to reuse