Module org.apache.lucene.codecs

Package org.apache.lucene.codecs.simpletext

Class SimpleTextSegmentInfoFormat

java.lang.Object

org.apache.lucene.codecs.SegmentInfoFormat

org.apache.lucene.codecs.simpletext.SimpleTextSegmentInfoFormat

public class SimpleTextSegmentInfoFormat
extends SegmentInfoFormat

plain text segments file format.

FOR RECREATIONAL USE ONLY

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static class	SimpleTextSegmentInfoFormat.BytesRefOutput

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static final BytesRef	SI_ATT_KEY
(package private) static final BytesRef	SI_ATT_VALUE
(package private) static final BytesRef	SI_DIAG_KEY
(package private) static final BytesRef	SI_DIAG_VALUE
(package private) static final BytesRef	SI_DOCCOUNT
static final String	SI_EXTENSION
(package private) static final BytesRef	SI_FILE
(package private) static final BytesRef	SI_HAS_BLOCKS
(package private) static final BytesRef	SI_ID
(package private) static final BytesRef	SI_MIN_VERSION
(package private) static final BytesRef	SI_NUM_ATT
(package private) static final BytesRef	SI_NUM_DIAG
(package private) static final BytesRef	SI_NUM_FILES
(package private) static final BytesRef	SI_SORT
(package private) static final BytesRef	SI_SORT_BYTES
(package private) static final BytesRef	SI_SORT_NAME
(package private) static final BytesRef	SI_SORT_TYPE
(package private) static final BytesRef	SI_USECOMPOUND
(package private) static final BytesRef	SI_VERSION

Constructor Summary

Constructors

Constructor	Description
SimpleTextSegmentInfoFormat()

Method Summary

Modifier and Type	Method	Description
SegmentInfo	read(Directory directory, String segmentName, byte[] segmentID, IOContext context)	Read SegmentInfo data from a directory.
private String	readString(int offset, BytesRefBuilder scratch)
void	write(Directory dir, SegmentInfo si, IOContext ioContext)	Write SegmentInfo data.

Methods inherited from class java.lang.Object

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

Field Details

SI_VERSION

static final BytesRef SI_VERSION

SI_MIN_VERSION

static final BytesRef SI_MIN_VERSION

SI_DOCCOUNT

static final BytesRef SI_DOCCOUNT

SI_USECOMPOUND

static final BytesRef SI_USECOMPOUND

SI_HAS_BLOCKS

static final BytesRef SI_HAS_BLOCKS

SI_NUM_DIAG

static final BytesRef SI_NUM_DIAG

SI_DIAG_KEY

static final BytesRef SI_DIAG_KEY

SI_DIAG_VALUE

static final BytesRef SI_DIAG_VALUE

SI_NUM_ATT

static final BytesRef SI_NUM_ATT

SI_ATT_KEY

static final BytesRef SI_ATT_KEY

SI_ATT_VALUE

static final BytesRef SI_ATT_VALUE

SI_NUM_FILES

static final BytesRef SI_NUM_FILES

SI_FILE

static final BytesRef SI_FILE

SI_ID

static final BytesRef SI_ID

SI_SORT

static final BytesRef SI_SORT

SI_SORT_TYPE

static final BytesRef SI_SORT_TYPE

SI_SORT_NAME

static final BytesRef SI_SORT_NAME

SI_SORT_BYTES

static final BytesRef SI_SORT_BYTES

SI_EXTENSION

public static final String SI_EXTENSION

See Also:

• Constant Field Values

Constructor Details

SimpleTextSegmentInfoFormat

public SimpleTextSegmentInfoFormat()

Method Details

read

public SegmentInfo read(Directory directory,
 String segmentName,
 byte[] segmentID,
 IOContext context)
                 throws IOException

Description copied from class: SegmentInfoFormat

Read SegmentInfo data from a directory.

Specified by:

read in class SegmentInfoFormat

Parameters:

directory - directory to read from

segmentName - name of the segment to read

segmentID - expected identifier for the segment

Returns:

infos instance to be populated with data

Throws:

IOException - If an I/O error occurs

readString

private String readString(int offset,
 BytesRefBuilder scratch)

write

public void write(Directory dir,
 SegmentInfo si,
 IOContext ioContext)
           throws IOException

Description copied from class: SegmentInfoFormat

Write SegmentInfo data. The codec must add its SegmentInfo filename(s) to info before doing i/o.

Specified by:

write in class SegmentInfoFormat

Throws:

IOException - If an I/O error occurs