Package org.apache.lucene.codecs.memory

Class DirectDocValuesProducer

java.lang.Object

org.apache.lucene.codecs.DocValuesProducer

org.apache.lucene.codecs.memory.DirectDocValuesProducer

All Implemented Interfaces:

Closeable, AutoCloseable, Accountable

class DirectDocValuesProducer
extends DocValuesProducer

Reader for DirectDocValuesFormat

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static class	DirectDocValuesProducer.BinaryEntry
(package private) static class	DirectDocValuesProducer.BinaryRawValues
(package private) static class	DirectDocValuesProducer.FSTEntry
(package private) static class	DirectDocValuesProducer.NumericEntry
(package private) static class	DirectDocValuesProducer.NumericRawValues
(package private) static class	DirectDocValuesProducer.SortedEntry
(package private) static class	DirectDocValuesProducer.SortedNumericEntry
(package private) static class	DirectDocValuesProducer.SortedNumericRawValues
(package private) static class	DirectDocValuesProducer.SortedRawValues
(package private) static class	DirectDocValuesProducer.SortedSetEntry
(package private) static class	DirectDocValuesProducer.SortedSetRawValues

Field Summary

Fields

Modifier and Type	Field	Description
private final Map<String,DirectDocValuesProducer.BinaryEntry>	binaries
private final Map<String,DirectDocValuesProducer.BinaryRawValues>	binaryInstances
(package private) static final byte	BYTES
private final IndexInput	data
private final Map<String,FixedBitSet>	docsWithFieldInstances
private final int	maxDoc
private final boolean	merging
(package private) static final byte	NUMBER
private final int	numEntries
private final Map<String,DirectDocValuesProducer.NumericRawValues>	numericInstances
private final Map<String,DirectDocValuesProducer.NumericEntry>	numerics
private final AtomicLong	ramBytesUsed
(package private) static final byte	SORTED
(package private) static final byte	SORTED_NUMERIC
(package private) static final byte	SORTED_NUMERIC_SINGLETON
(package private) static final byte	SORTED_SET
(package private) static final byte	SORTED_SET_SINGLETON
private final Map<String,DirectDocValuesProducer.SortedRawValues>	sortedInstances
private final Map<String,DirectDocValuesProducer.SortedNumericRawValues>	sortedNumericInstances
private final Map<String,DirectDocValuesProducer.SortedNumericEntry>	sortedNumerics
private final Map<String,DirectDocValuesProducer.SortedEntry>	sorteds
private final Map<String,DirectDocValuesProducer.SortedSetRawValues>	sortedSetInstances
private final Map<String,DirectDocValuesProducer.SortedSetEntry>	sortedSets
private final int	version
(package private) static final int	VERSION_CURRENT
(package private) static final int	VERSION_START

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

NULL_ACCOUNTABLE

Constructor Summary

Constructors

Constructor	Description
DirectDocValuesProducer(DirectDocValuesProducer original)
DirectDocValuesProducer(SegmentReadState state, String dataCodec, String dataExtension, String metaCodec, String metaExtension)

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.
Collection<Accountable>	getChildResources()	Returns nested resources of this class.
private LegacyBinaryDocValues	getLegacyBinary(FieldInfo field)
DocValuesProducer	getMergeInstance()	Returns an instance optimized for merging.
private Bits	getMissingBits(FieldInfo field, long offset, long length)
NumericDocValues	getNumeric(FieldInfo field)	Returns NumericDocValues for this field.
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 DirectDocValuesProducer.BinaryRawValues	loadBinary(DirectDocValuesProducer.BinaryEntry entry)
private DirectDocValuesProducer.NumericRawValues	loadNumeric(DirectDocValuesProducer.NumericEntry entry)
private DirectDocValuesProducer.SortedRawValues	loadSorted(FieldInfo field)
private DirectDocValuesProducer.SortedNumericRawValues	loadSortedNumeric(DirectDocValuesProducer.SortedNumericEntry entry)
private DirectDocValuesProducer.SortedSetRawValues	loadSortedSet(DirectDocValuesProducer.SortedSetEntry entry)
private LegacySortedDocValues	newSortedInstance(LegacyNumericDocValues docToOrd, LegacyBinaryDocValues values, int count)
long	ramBytesUsed()	Return the memory usage of this object in bytes.
private DirectDocValuesProducer.BinaryEntry	readBinaryEntry(IndexInput meta)
private int	readFields(IndexInput meta, FieldInfos infos)
private DirectDocValuesProducer.NumericEntry	readNumericEntry(IndexInput meta)
private DirectDocValuesProducer.SortedEntry	readSortedEntry(IndexInput meta)
private DirectDocValuesProducer.SortedNumericEntry	readSortedNumericEntry(IndexInput meta, boolean singleton)
private DirectDocValuesProducer.SortedSetEntry	readSortedSetEntry(IndexInput meta, boolean singleton)
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

numerics

private final Map<String,DirectDocValuesProducer.NumericEntry> numerics

binaries

private final Map<String,DirectDocValuesProducer.BinaryEntry> binaries

sorteds

private final Map<String,DirectDocValuesProducer.SortedEntry> sorteds

sortedSets

private final Map<String,DirectDocValuesProducer.SortedSetEntry> sortedSets

sortedNumerics

private final Map<String,DirectDocValuesProducer.SortedNumericEntry> sortedNumerics

data

private final IndexInput data

numericInstances

private final Map<String,DirectDocValuesProducer.NumericRawValues> numericInstances

binaryInstances

private final Map<String,DirectDocValuesProducer.BinaryRawValues> binaryInstances

sortedInstances

private final Map<String,DirectDocValuesProducer.SortedRawValues> sortedInstances

sortedSetInstances

private final Map<String,DirectDocValuesProducer.SortedSetRawValues> sortedSetInstances

sortedNumericInstances

private final Map<String,DirectDocValuesProducer.SortedNumericRawValues> sortedNumericInstances

docsWithFieldInstances

private final Map<String,FixedBitSet> docsWithFieldInstances

numEntries

private final int numEntries

maxDoc

private final int maxDoc

ramBytesUsed

private final AtomicLong ramBytesUsed

version

private final int version

merging

private final boolean merging

NUMBER

static final byte NUMBER

See Also:

• Constant Field Values

BYTES

static final byte BYTES

See Also:

• Constant Field Values

SORTED

static final byte SORTED

See Also:

• Constant Field Values

SORTED_SET

static final byte SORTED_SET

See Also:

• Constant Field Values

SORTED_SET_SINGLETON

static final byte SORTED_SET_SINGLETON

See Also:

• Constant Field Values

SORTED_NUMERIC

static final byte SORTED_NUMERIC

See Also:

• Constant Field Values

SORTED_NUMERIC_SINGLETON

static final byte SORTED_NUMERIC_SINGLETON

See Also:

• Constant Field Values

VERSION_START

static final int VERSION_START

See Also:

• Constant Field Values

VERSION_CURRENT

static final int VERSION_CURRENT

See Also:

• Constant Field Values

Constructor Details

DirectDocValuesProducer

DirectDocValuesProducer(DirectDocValuesProducer original)

DirectDocValuesProducer

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

Throws:

IOException

Method Details

readNumericEntry

private DirectDocValuesProducer.NumericEntry readNumericEntry(IndexInput meta)
                                                       throws IOException

Throws:

IOException

readBinaryEntry

private DirectDocValuesProducer.BinaryEntry readBinaryEntry(IndexInput meta)
                                                     throws IOException

Throws:

IOException

readSortedEntry

private DirectDocValuesProducer.SortedEntry readSortedEntry(IndexInput meta)
                                                     throws IOException

Throws:

IOException

readSortedSetEntry

private DirectDocValuesProducer.SortedSetEntry readSortedSetEntry(IndexInput meta,
 boolean singleton)
                                                           throws IOException

Throws:

IOException

readSortedNumericEntry

private DirectDocValuesProducer.SortedNumericEntry readSortedNumericEntry(IndexInput meta,
 boolean singleton)
                                                                   throws IOException

Throws:

IOException

readFields

private int readFields(IndexInput meta,
 FieldInfos infos)
                throws IOException

Throws:

IOException

ramBytesUsed

public long ramBytesUsed()

Description copied from interface: Accountable

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

getChildResources

public 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).

See Also:

• Accountables

toString

public String toString()

Overrides:

toString in class Object

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

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

loadNumeric

private DirectDocValuesProducer.NumericRawValues loadNumeric(DirectDocValuesProducer.NumericEntry entry)
                                                      throws IOException

Throws:

IOException

getLegacyBinary

private LegacyBinaryDocValues getLegacyBinary(FieldInfo field)
                                       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

loadBinary

private DirectDocValuesProducer.BinaryRawValues loadBinary(DirectDocValuesProducer.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

newSortedInstance

private LegacySortedDocValues newSortedInstance(LegacyNumericDocValues docToOrd,
 LegacyBinaryDocValues values,
 int count)

loadSorted

private DirectDocValuesProducer.SortedRawValues loadSorted(FieldInfo field)
                                                    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

loadSortedNumeric

private DirectDocValuesProducer.SortedNumericRawValues loadSortedNumeric(DirectDocValuesProducer.SortedNumericEntry entry)
                                                                  throws IOException

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

loadSortedSet

private DirectDocValuesProducer.SortedSetRawValues loadSortedSet(DirectDocValuesProducer.SortedSetEntry entry)
                                                          throws IOException

Throws:

IOException

getMissingBits

private Bits getMissingBits(FieldInfo field,
 long offset,
 long length)
                     throws IOException

Throws:

IOException

getMergeInstance

public DocValuesProducer getMergeInstance()

Description copied from class: DocValuesProducer

Returns an instance optimized for merging. This instance may only be consumed in the thread that called DocValuesProducer.getMergeInstance().

The default implementation returns this

Overrides:

getMergeInstance in class DocValuesProducer

close

public void close()
           throws IOException

Throws:

IOException