org.apache.lucene.codecs

Class MutablePointsReader

java.lang.Object

org.apache.lucene.index.PointValues

org.apache.lucene.codecs.PointsReader

org.apache.lucene.codecs.MutablePointsReader

All Implemented Interfaces:

Closeable, AutoCloseable, Accountable

public abstract class MutablePointsReader
extends PointsReader

PointsReader whose order of points can be changed. This class is useful for codecs to optimize flush.

NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.index.PointValues

PointValues.IntersectVisitor, PointValues.Relation

Field Summary

Fields inherited from class org.apache.lucene.index.PointValues

MAX_DIMENSIONS, MAX_NUM_BYTES

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	MutablePointsReader() Sole constructor.

Method Summary

Modifier and Type	Method and Description
abstract byte	getByteAt(int i, int k) Get the k-th byte of the i-th value.
abstract int	getDocID(int i) Return the doc ID of the i-th value.
abstract void	getValue(int i, BytesRef packedValue) Set packedValue with a reference to the packed bytes of the i-th value.
abstract void	swap(int i, int j) Swap the i-th and j-th values.

Methods inherited from class org.apache.lucene.codecs.PointsReader

checkIntegrity, getMergeInstance

Methods inherited from class org.apache.lucene.index.PointValues

getBytesPerDimension, getDocCount, getDocCount, getMaxPackedValue, getMaxPackedValue, getMinPackedValue, getMinPackedValue, getNumDimensions, intersect, size, size

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.io.Closeable

close

Methods inherited from interface org.apache.lucene.util.Accountable

getChildResources, ramBytesUsed

Constructor Detail

MutablePointsReader

protected MutablePointsReader()

Sole constructor.

Method Detail

getValue

public abstract void getValue(int i,
                              BytesRef packedValue)

Set packedValue with a reference to the packed bytes of the i-th value.

getByteAt

public abstract byte getByteAt(int i,
                               int k)

Get the k-th byte of the i-th value.

getDocID

public abstract int getDocID(int i)

Return the doc ID of the i-th value.

swap

public abstract void swap(int i,
                          int j)

Swap the i-th and j-th values.