org.apache.lucene.codecs.diskdv

Class DiskDocValuesFormat

java.lang.Object

org.apache.lucene.codecs.DocValuesFormat

org.apache.lucene.codecs.diskdv.DiskDocValuesFormat

All Implemented Interfaces:

NamedSPILoader.NamedSPI

public final class DiskDocValuesFormat
extends DocValuesFormat

DocValues format that keeps most things on disk.

Things like ordinals and disk offsets are loaded into ram, for single-seek access to all the types.

WARNING: This API is experimental and might change in incompatible ways in the next release.

Field Summary

Fields

Modifier and Type	Field and Description
static byte	BINARY
static String	DATA_CODEC
static String	DATA_EXTENSION
static String	META_CODEC
static String	META_EXTENSION
static byte	NUMERIC
static byte	SORTED
static byte	SORTED_SET
static int	VERSION_CURRENT
static int	VERSION_START

Constructor Summary

Constructors

Constructor and Description
DiskDocValuesFormat()

Method Summary

Methods

Modifier and Type	Method and Description
DocValuesConsumer	fieldsConsumer(SegmentWriteState state)
DocValuesProducer	fieldsProducer(SegmentReadState state)

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

availableDocValuesFormats, forName, getName, reloadDocValuesFormats, toString

Methods inherited from class java.lang.Object

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

Field Detail

DATA_CODEC

public static final String DATA_CODEC

See Also:

Constant Field Values

DATA_EXTENSION

public static final String DATA_EXTENSION

See Also:

Constant Field Values

META_CODEC

public static final String META_CODEC

See Also:

Constant Field Values

META_EXTENSION

public static final String META_EXTENSION

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Constant Field Values

VERSION_START

public static final int VERSION_START

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Constant Field Values

VERSION_CURRENT

public static final int VERSION_CURRENT

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Constant Field Values

NUMERIC

public static final byte NUMERIC

See Also:

Constant Field Values

BINARY

public static final byte BINARY

See Also:

Constant Field Values

SORTED

public static final byte SORTED

See Also:

Constant Field Values

SORTED_SET

public static final byte SORTED_SET

See Also:

Constant Field Values

Constructor Detail

DiskDocValuesFormat

public DiskDocValuesFormat()

Method Detail

fieldsConsumer

public DocValuesConsumer fieldsConsumer(SegmentWriteState state)
                                 throws IOException

Specified by:

fieldsConsumer in class DocValuesFormat

Throws:

IOException

fieldsProducer

public DocValuesProducer fieldsProducer(SegmentReadState state)
                                 throws IOException

Specified by:

fieldsProducer in class DocValuesFormat

Throws:

IOException