- java.lang.Object
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- org.apache.lucene.index.MergeState
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public class MergeState extends java.lang.Object
Holds common state used during segment merging.
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Nested Class Summary
Nested Classes Modifier and Type Class Description static interface
MergeState.DocMap
A map of doc IDs.
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Field Summary
Fields Modifier and Type Field Description MergeState.DocMap[]
docMaps
Maps document IDs from old segments to document IDs in the new segmentDocValuesProducer[]
docValuesProducers
DocValues producers being mergedFieldInfos[]
fieldInfos
FieldInfos being mergedFieldsProducer[]
fieldsProducers
Postings to mergeInfoStream
infoStream
InfoStream for debugging messages.KnnVectorsReader[]
knnVectorsReaders
Vector readers to mergeBits[]
liveDocs
Live docs for each readerint[]
maxDocs
Max docs per readerFieldInfos
mergeFieldInfos
FieldInfos
of the newly merged segment.boolean
needsIndexSort
Indicates if the index needs to be sorted *NormsProducer[]
normsProducers
Norms producers being mergedPointsReader[]
pointsReaders
Point readers to mergeSegmentInfo
segmentInfo
SegmentInfo
of the newly merged segment.StoredFieldsReader[]
storedFieldsReaders
Stored field producers being mergedTermVectorsReader[]
termVectorsReaders
Term vector producers being merged
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Constructor Summary
Constructors Constructor Description MergeState(java.util.List<CodecReader> readers, SegmentInfo segmentInfo, InfoStream infoStream)
Sole constructor.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description private MergeState.DocMap[]
buildDeletionDocMaps(java.util.List<CodecReader> readers)
private MergeState.DocMap[]
buildDocMaps(java.util.List<CodecReader> readers, Sort indexSort)
(package private) static PackedLongValues
removeDeletes(int maxDoc, Bits liveDocs)
private static void
verifyIndexSort(java.util.List<CodecReader> readers, SegmentInfo segmentInfo)
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Field Detail
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docMaps
public final MergeState.DocMap[] docMaps
Maps document IDs from old segments to document IDs in the new segment
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segmentInfo
public final SegmentInfo segmentInfo
SegmentInfo
of the newly merged segment.
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mergeFieldInfos
public FieldInfos mergeFieldInfos
FieldInfos
of the newly merged segment.
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storedFieldsReaders
public final StoredFieldsReader[] storedFieldsReaders
Stored field producers being merged
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termVectorsReaders
public final TermVectorsReader[] termVectorsReaders
Term vector producers being merged
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normsProducers
public final NormsProducer[] normsProducers
Norms producers being merged
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docValuesProducers
public final DocValuesProducer[] docValuesProducers
DocValues producers being merged
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fieldInfos
public final FieldInfos[] fieldInfos
FieldInfos being merged
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liveDocs
public final Bits[] liveDocs
Live docs for each reader
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fieldsProducers
public final FieldsProducer[] fieldsProducers
Postings to merge
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pointsReaders
public final PointsReader[] pointsReaders
Point readers to merge
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knnVectorsReaders
public final KnnVectorsReader[] knnVectorsReaders
Vector readers to merge
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maxDocs
public final int[] maxDocs
Max docs per reader
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infoStream
public final InfoStream infoStream
InfoStream for debugging messages.
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needsIndexSort
public boolean needsIndexSort
Indicates if the index needs to be sorted *
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Constructor Detail
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MergeState
MergeState(java.util.List<CodecReader> readers, SegmentInfo segmentInfo, InfoStream infoStream) throws java.io.IOException
Sole constructor.- Throws:
java.io.IOException
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Method Detail
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buildDeletionDocMaps
private MergeState.DocMap[] buildDeletionDocMaps(java.util.List<CodecReader> readers)
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buildDocMaps
private MergeState.DocMap[] buildDocMaps(java.util.List<CodecReader> readers, Sort indexSort) throws java.io.IOException
- Throws:
java.io.IOException
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verifyIndexSort
private static void verifyIndexSort(java.util.List<CodecReader> readers, SegmentInfo segmentInfo)
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removeDeletes
static PackedLongValues removeDeletes(int maxDoc, Bits liveDocs)
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