Package org.apache.lucene.index

Class MergeState

java.lang.Object

org.apache.lucene.index.MergeState

public class MergeState
extends Object

Holds common state used during segment merging.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	MergeState.CheckAbort	Class for recording units of work when merging segments.
static class	MergeState.DocMap	Remaps docids around deletes during merge

Field Summary

Fields

Modifier and Type	Field	Description
final MergeState.CheckAbort	checkAbort	Holds the CheckAbort instance, which is invoked periodically to see if the merge has been aborted.
int[]	docBase	New docID base per reader.
MergeState.DocMap[]	docMaps	Maps docIDs around deletions.
FieldInfos	fieldInfos	FieldInfos of the newly merged segment.
final InfoStream	infoStream	InfoStream for debugging messages.
int	matchedCount	How many matchingSegmentReaders are set.
SegmentReader[]	matchingSegmentReaders	SegmentReaders that have identical field name/number mapping, so their stored fields and term vectors may be bulk merged.
final List<AtomicReader>	readers	Readers being merged.
final SegmentInfo	segmentInfo	SegmentInfo of the newly merged segment.

Method Summary

Methods inherited from class java.lang.Object

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

Field Details

segmentInfo

public final SegmentInfo segmentInfo

SegmentInfo of the newly merged segment.

fieldInfos

public FieldInfos fieldInfos

FieldInfos of the newly merged segment.

readers

public final List<AtomicReader> readers

Readers being merged.

docMaps

public MergeState.DocMap[] docMaps

Maps docIDs around deletions.

docBase

public int[] docBase

New docID base per reader.

checkAbort

public final MergeState.CheckAbort checkAbort

Holds the CheckAbort instance, which is invoked periodically to see if the merge has been aborted.

infoStream

public final InfoStream infoStream

InfoStream for debugging messages.

matchingSegmentReaders

public SegmentReader[] matchingSegmentReaders

SegmentReaders that have identical field name/number mapping, so their stored fields and term vectors may be bulk merged.

matchedCount

public int matchedCount

How many matchingSegmentReaders are set.