Class Lucene46SegmentInfoFormat

Lucene 4.6 Segment info format.

Files:

• .si: Header, SegVersion, SegSize, IsCompoundFile, Diagnostics, Files, Footer

Data types:

• Header --> CodecHeader (WriteHeader(DataOutput, String, Int32))
• SegSize --> Int32 (WriteInt32(Int32))
• SegVersion --> String (WriteString(String))
• Files --> ISet<String> ()
• Diagnostics --> IDictionary<String,String> ()
• IsCompoundFile --> Int8 (WriteByte(Byte))
• Footer --> CodecFooter (WriteFooter(IndexOutput))

Field Descriptions:

• SegVersion is the code version that created the segment.
• SegSize is the number of documents contained in the segment index.
• IsCompoundFile records whether the segment is written as a compound file or not. If this is -1, the segment is not a compound file. If it is 1, the segment is a compound file.
• The Diagnostics Map is privately written by IndexWriter, as a debugging aid, for each segment it creates. It includes metadata like the current Lucene version, OS, .NET/Java version, why the segment was created (merge, flush, addIndexes), etc.
• Files is a list of files referred to by this segment.

@lucene.experimental

Inheritance

System.Object

SegmentInfoFormat

Lucene46SegmentInfoFormat

Namespace: Lucene.Net.Codecs.Lucene46

Assembly: Lucene.Net.dll

Syntax

public class Lucene46SegmentInfoFormat : SegmentInfoFormat

Constructors

Lucene46SegmentInfoFormat()

Sole constructor.

Declaration

public Lucene46SegmentInfoFormat()

Fields

SI_EXTENSION

File extension used to store SegmentInfo.

Declaration

public static readonly string SI_EXTENSION

Field Value

Type	Description
System.String

Properties

SegmentInfoReader

Declaration

public override SegmentInfoReader SegmentInfoReader { get; }

Property Value

Type	Description
SegmentInfoReader

Overrides

SegmentInfoFormat.SegmentInfoReader

SegmentInfoWriter

Declaration

public override SegmentInfoWriter SegmentInfoWriter { get; }

Property Value

Type	Description
SegmentInfoWriter

Overrides

SegmentInfoFormat.SegmentInfoWriter

See Also

SegmentInfos