Module org.apache.lucene.sandbox

Package org.apache.lucene.sandbox.facet.cutters.ranges

Class IntervalTracker.MultiIntervalTracker

java.lang.Object

org.apache.lucene.sandbox.facet.cutters.ranges.IntervalTracker.MultiIntervalTracker

All Implemented Interfaces:

IntervalTracker, OrdinalIterator

Enclosing interface:

IntervalTracker

public static class IntervalTracker.MultiIntervalTracker
extends Object
implements IntervalTracker

Interval Tracker that tracks data for multiple intervals. The interval is recorded only once iff data belonging to the interval is encountered *

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.lucene.sandbox.facet.cutters.ranges.IntervalTracker

IntervalTracker.MultiIntervalTracker

Field Summary

Fields

Modifier and Type	Field	Description
private int	bitFrom
private int	intervalsWithHit
private FixedBitSet	tracker
private int	trackerState

Fields inherited from interface org.apache.lucene.sandbox.facet.iterators.OrdinalIterator

EMPTY, NO_MORE_ORDS

Constructor Summary

Constructors

Constructor	Description
MultiIntervalTracker(int size)

Method Summary

Modifier and Type	Method	Description
void	clear()	clear recorded information on this tracker.
void	freeze()	finalise any state before read operations can be performed on this OrdinalIterator
boolean	get(int index)	check if any data for the interval has been recorded *
int	nextOrd()	Returns next ord or OrdinalIterator.NO_MORE_ORDS.
void	set(int i)	track information for the seen input interval *

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.lucene.sandbox.facet.iterators.OrdinalIterator

toArray

Field Details

tracker

private FixedBitSet tracker

trackerState

private int trackerState

bitFrom

private int bitFrom

intervalsWithHit

private int intervalsWithHit

Constructor Details

MultiIntervalTracker

MultiIntervalTracker(int size)

Method Details

set

public void set(int i)

Description copied from interface: IntervalTracker

track information for the seen input interval *

Specified by:

set in interface IntervalTracker

clear

public void clear()

Description copied from interface: IntervalTracker

clear recorded information on this tracker. *

Specified by:

clear in interface IntervalTracker

get

public boolean get(int index)

Description copied from interface: IntervalTracker

check if any data for the interval has been recorded *

Specified by:

get in interface IntervalTracker

freeze

public void freeze()

Description copied from interface: IntervalTracker

finalise any state before read operations can be performed on this OrdinalIterator

Specified by:

freeze in interface IntervalTracker

nextOrd

public int nextOrd()
            throws IOException

Description copied from interface: OrdinalIterator

Returns next ord or OrdinalIterator.NO_MORE_ORDS. *

Specified by:

nextOrd in interface OrdinalIterator

Throws:

IOException