org.apache.lucene.codecs.compressing

Class CompressingStoredFieldsIndexReader

java.lang.Object

org.apache.lucene.codecs.compressing.CompressingStoredFieldsIndexReader

All Implemented Interfaces:

java.lang.Cloneable, Accountable

public final class CompressingStoredFieldsIndexReader
extends java.lang.Object
implements java.lang.Cloneable, Accountable

Random-access reader for CompressingStoredFieldsIndexWriter.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) int[]	avgChunkDocs
(package private) long[]	avgChunkSizes
private static long	BASE_RAM_BYTES_USED
(package private) int[]	docBases
(package private) PackedInts.Reader[]	docBasesDeltas
(package private) int	maxDoc
(package private) long[]	startPointers
(package private) PackedInts.Reader[]	startPointersDeltas

Constructor Summary

Constructors

Constructor and Description
CompressingStoredFieldsIndexReader(IndexInput fieldsIndexIn, SegmentInfo si)

Method Summary

Modifier and Type	Method and Description
private int	block(int docID)
CompressingStoredFieldsIndexReader	clone()
java.util.Collection<Accountable>	getChildResources() Returns nested resources of this class.
(package private) long	getStartPointer(int docID)
long	ramBytesUsed() Return the memory usage of this object in bytes.
private int	relativeChunk(int block, int relativeDoc)
private int	relativeDocBase(int block, int relativeChunk)
private long	relativeStartPointer(int block, int relativeChunk)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

BASE_RAM_BYTES_USED

private static final long BASE_RAM_BYTES_USED

maxDoc

final int maxDoc

docBases

final int[] docBases

startPointers

final long[] startPointers

avgChunkDocs

final int[] avgChunkDocs

avgChunkSizes

final long[] avgChunkSizes

docBasesDeltas

final PackedInts.Reader[] docBasesDeltas

startPointersDeltas

final PackedInts.Reader[] startPointersDeltas

Constructor Detail

CompressingStoredFieldsIndexReader

CompressingStoredFieldsIndexReader(IndexInput fieldsIndexIn,
                                   SegmentInfo si)
                            throws java.io.IOException

Throws:

java.io.IOException

Method Detail

block

private int block(int docID)

relativeDocBase

private int relativeDocBase(int block,
                            int relativeChunk)

relativeStartPointer

private long relativeStartPointer(int block,
                                  int relativeChunk)

relativeChunk

private int relativeChunk(int block,
                          int relativeDoc)

getStartPointer

long getStartPointer(int docID)

clone

public CompressingStoredFieldsIndexReader clone()

Overrides:

clone in class java.lang.Object

ramBytesUsed

public long ramBytesUsed()

Description copied from interface: Accountable

Return the memory usage of this object in bytes. Negative values are illegal.

Specified by:

ramBytesUsed in interface Accountable

getChildResources

public java.util.Collection<Accountable> getChildResources()

Description copied from interface: Accountable

Returns nested resources of this class. The result should be a point-in-time snapshot (to avoid race conditions).

Specified by:

getChildResources in interface Accountable

See Also:

Accountables

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object