Package org.apache.lucene.codecs.lucene80

Class Lucene80DocValuesProducer

java.lang.Object

org.apache.lucene.codecs.DocValuesProducer

org.apache.lucene.codecs.lucene80.Lucene80DocValuesProducer

All Implemented Interfaces:

Closeable, AutoCloseable, Accountable

final class Lucene80DocValuesProducer
extends DocValuesProducer
implements Closeable

reader for Lucene80DocValuesFormat

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	Lucene80DocValuesProducer.BaseSortedDocValues
private static class	Lucene80DocValuesProducer.BaseSortedSetDocValues
(package private) class	Lucene80DocValuesProducer.BinaryDecoder
private static class	Lucene80DocValuesProducer.BinaryEntry
private static class	Lucene80DocValuesProducer.DenseBinaryDocValues
private static class	Lucene80DocValuesProducer.DenseNumericDocValues
private static class	Lucene80DocValuesProducer.NumericEntry
private static class	Lucene80DocValuesProducer.SortedEntry
private static class	Lucene80DocValuesProducer.SortedNumericEntry
private static class	Lucene80DocValuesProducer.SortedSetEntry
private static class	Lucene80DocValuesProducer.SparseBinaryDocValues
private static class	Lucene80DocValuesProducer.SparseNumericDocValues
private static class	Lucene80DocValuesProducer.TermsDict
private static class	Lucene80DocValuesProducer.TermsDictEntry
private class	Lucene80DocValuesProducer.VaryingBPVReader	Reader for longs split into blocks of different bits per values.

Field Summary

Fields

Modifier and Type	Field	Description
private final Map<String,Lucene80DocValuesProducer.BinaryEntry>	binaries
private final IndexInput	data
private final int	maxDoc
private final Map<String,Lucene80DocValuesProducer.NumericEntry>	numerics
private long	ramBytesUsed
private final Map<String,Lucene80DocValuesProducer.SortedEntry>	sorted
private final Map<String,Lucene80DocValuesProducer.SortedNumericEntry>	sortedNumerics
private final Map<String,Lucene80DocValuesProducer.SortedSetEntry>	sortedSets
private int	version

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

NULL_ACCOUNTABLE

Constructor Summary

Constructors

Constructor	Description
Lucene80DocValuesProducer(SegmentReadState state, String dataCodec, String dataExtension, String metaCodec, String metaExtension)	expert: instantiates a new reader

Method Summary

Modifier and Type	Method	Description
void	checkIntegrity()	Checks consistency of this producer
void	close()
BinaryDocValues	getBinary(FieldInfo field)	Returns BinaryDocValues for this field.
private BinaryDocValues	getCompressedBinary(Lucene80DocValuesProducer.BinaryEntry entry)
private NumericDocValues	getNumeric(Lucene80DocValuesProducer.NumericEntry entry)
NumericDocValues	getNumeric(FieldInfo field)	Returns NumericDocValues for this field.
private LongValues	getNumericValues(Lucene80DocValuesProducer.NumericEntry entry)
private SortedDocValues	getSorted(Lucene80DocValuesProducer.SortedEntry entry)
SortedDocValues	getSorted(FieldInfo field)	Returns SortedDocValues for this field.
SortedNumericDocValues	getSortedNumeric(FieldInfo field)	Returns SortedNumericDocValues for this field.
SortedSetDocValues	getSortedSet(FieldInfo field)	Returns SortedSetDocValues for this field.
private BinaryDocValues	getUncompressedBinary(Lucene80DocValuesProducer.BinaryEntry entry)
long	ramBytesUsed()	Return the memory usage of this object in bytes.
private Lucene80DocValuesProducer.BinaryEntry	readBinary(IndexInput meta, boolean compressed)
private void	readFields(String segmentName, ChecksumIndexInput meta, FieldInfos infos)
private Lucene80DocValuesProducer.NumericEntry	readNumeric(ChecksumIndexInput meta)
private void	readNumeric(ChecksumIndexInput meta, Lucene80DocValuesProducer.NumericEntry entry)
private Lucene80DocValuesProducer.SortedEntry	readSorted(ChecksumIndexInput meta)
private Lucene80DocValuesProducer.SortedNumericEntry	readSortedNumeric(ChecksumIndexInput meta)
private Lucene80DocValuesProducer.SortedSetEntry	readSortedSet(ChecksumIndexInput meta)
private static void	readTermDict(ChecksumIndexInput meta, Lucene80DocValuesProducer.TermsDictEntry entry)

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

getMergeInstance

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.util.Accountable

getChildResources

Field Details

numerics

private final Map<String,Lucene80DocValuesProducer.NumericEntry> numerics

binaries

private final Map<String,Lucene80DocValuesProducer.BinaryEntry> binaries

sorted

private final Map<String,Lucene80DocValuesProducer.SortedEntry> sorted

sortedSets

private final Map<String,Lucene80DocValuesProducer.SortedSetEntry> sortedSets

sortedNumerics

private final Map<String,Lucene80DocValuesProducer.SortedNumericEntry> sortedNumerics

ramBytesUsed

private long ramBytesUsed

data

private final IndexInput data

maxDoc

private final int maxDoc

version

private int version

Constructor Details

Lucene80DocValuesProducer

Lucene80DocValuesProducer(SegmentReadState state,
 String dataCodec,
 String dataExtension,
 String metaCodec,
 String metaExtension)
                   throws IOException

expert: instantiates a new reader

Throws:

IOException

Method Details

readFields

private void readFields(String segmentName,
 ChecksumIndexInput meta,
 FieldInfos infos)
                 throws IOException

Throws:

IOException

readNumeric

private Lucene80DocValuesProducer.NumericEntry readNumeric(ChecksumIndexInput meta)
                                                    throws IOException

Throws:

IOException

readNumeric

private void readNumeric(ChecksumIndexInput meta,
 Lucene80DocValuesProducer.NumericEntry entry)
                  throws IOException

Throws:

IOException

readBinary

private Lucene80DocValuesProducer.BinaryEntry readBinary(IndexInput meta,
 boolean compressed)
                                                  throws IOException

Throws:

IOException

readSorted

private Lucene80DocValuesProducer.SortedEntry readSorted(ChecksumIndexInput meta)
                                                  throws IOException

Throws:

IOException

readSortedSet

private Lucene80DocValuesProducer.SortedSetEntry readSortedSet(ChecksumIndexInput meta)
                                                        throws IOException

Throws:

IOException

readTermDict

private static void readTermDict(ChecksumIndexInput meta,
 Lucene80DocValuesProducer.TermsDictEntry entry)
                          throws IOException

Throws:

IOException

readSortedNumeric

private Lucene80DocValuesProducer.SortedNumericEntry readSortedNumeric(ChecksumIndexInput meta)
                                                                throws IOException

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException

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

getNumeric

public NumericDocValues getNumeric(FieldInfo field)
                            throws IOException

Description copied from class: DocValuesProducer

Returns NumericDocValues for this field. The returned instance need not be thread-safe: it will only be used by a single thread.

Specified by:

getNumeric in class DocValuesProducer

Throws:

IOException

getNumeric

private NumericDocValues getNumeric(Lucene80DocValuesProducer.NumericEntry entry)
                             throws IOException

Throws:

IOException

getNumericValues

private LongValues getNumericValues(Lucene80DocValuesProducer.NumericEntry entry)
                             throws IOException

Throws:

IOException

getUncompressedBinary

private BinaryDocValues getUncompressedBinary(Lucene80DocValuesProducer.BinaryEntry entry)
                                       throws IOException

Throws:

IOException

getBinary

public BinaryDocValues getBinary(FieldInfo field)
                          throws IOException

Description copied from class: DocValuesProducer

Returns BinaryDocValues for this field. The returned instance need not be thread-safe: it will only be used by a single thread.

Specified by:

getBinary in class DocValuesProducer

Throws:

IOException

getCompressedBinary

private BinaryDocValues getCompressedBinary(Lucene80DocValuesProducer.BinaryEntry entry)
                                     throws IOException

Throws:

IOException

getSorted

public SortedDocValues getSorted(FieldInfo field)
                          throws IOException

Description copied from class: DocValuesProducer

Returns SortedDocValues for this field. The returned instance need not be thread-safe: it will only be used by a single thread.

Specified by:

getSorted in class DocValuesProducer

Throws:

IOException

getSorted

private SortedDocValues getSorted(Lucene80DocValuesProducer.SortedEntry entry)
                           throws IOException

Throws:

IOException

getSortedNumeric

public SortedNumericDocValues getSortedNumeric(FieldInfo field)
                                        throws IOException

Description copied from class: DocValuesProducer

Returns SortedNumericDocValues for this field. The returned instance need not be thread-safe: it will only be used by a single thread.

Specified by:

getSortedNumeric in class DocValuesProducer

Throws:

IOException

getSortedSet

public SortedSetDocValues getSortedSet(FieldInfo field)
                                throws IOException

Description copied from class: DocValuesProducer

Returns SortedSetDocValues for this field. The returned instance need not be thread-safe: it will only be used by a single thread.

Specified by:

getSortedSet in class DocValuesProducer

Throws:

IOException

checkIntegrity

public void checkIntegrity()
                    throws IOException

Description copied from class: DocValuesProducer

Checks consistency of this producer

Note that this may be costly in terms of I/O, e.g. may involve computing a checksum value against large data files.

Specified by:

checkIntegrity in class DocValuesProducer

Throws:

IOException