Class Lucene42Codec

Implements the Lucene 4.2 index format, with configurable per-field postings and docvalues formats.

If you want to reuse functionality of this codec in another codec, extend FilterCodec.

See Lucene.Net.Codecs.Lucene42 package documentation for file format details.

This is a Lucene.NET EXPERIMENTAL API, use at your own risk

Inheritance
System.Object
Codec
Lucene42Codec
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
Namespace: Lucene.Net.Codecs.Lucene42
Assembly: Lucene.Net.dll
Syntax
[Obsolete("Only for reading old 4.2 segments")]
[CodecName("Lucene42")]
public class Lucene42Codec : Codec

Constructors

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Lucene42Codec()

Sole constructor.

Declaration
public Lucene42Codec()

Properties

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DocValuesFormat

Declaration
public override sealed DocValuesFormat DocValuesFormat { get; }
Property Value
Type Description
DocValuesFormat
Overrides
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FieldInfosFormat

Declaration
public override FieldInfosFormat FieldInfosFormat { get; }
Property Value
Type Description
FieldInfosFormat
Overrides
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LiveDocsFormat

Declaration
public override sealed LiveDocsFormat LiveDocsFormat { get; }
Property Value
Type Description
LiveDocsFormat
Overrides
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NormsFormat

Declaration
public override NormsFormat NormsFormat { get; }
Property Value
Type Description
NormsFormat
Overrides
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PostingsFormat

Declaration
public override sealed PostingsFormat PostingsFormat { get; }
Property Value
Type Description
PostingsFormat
Overrides
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SegmentInfoFormat

Declaration
public override SegmentInfoFormat SegmentInfoFormat { get; }
Property Value
Type Description
SegmentInfoFormat
Overrides
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StoredFieldsFormat

Declaration
public override sealed StoredFieldsFormat StoredFieldsFormat { get; }
Property Value
Type Description
StoredFieldsFormat
Overrides
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TermVectorsFormat

Declaration
public override sealed TermVectorsFormat TermVectorsFormat { get; }
Property Value
Type Description
TermVectorsFormat
Overrides

Methods

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GetDocValuesFormatForField(String)

Returns the docvalues format that should be used for writing new segments of field.

The default implementation always returns "Lucene42"

Declaration
public virtual DocValuesFormat GetDocValuesFormatForField(string field)
Parameters
Type Name Description
System.String field
Returns
Type Description
DocValuesFormat
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GetPostingsFormatForField(String)

Returns the postings format that should be used for writing new segments of field.

The default implementation always returns "Lucene41"

Declaration
public virtual PostingsFormat GetPostingsFormatForField(string field)
Parameters
Type Name Description
System.String field
Returns
Type Description
PostingsFormat