Class Lucene86Codec
java.lang.Object
org.apache.lucene.codecs.Codec
org.apache.lucene.backward_codecs.lucene86.Lucene86Codec
- All Implemented Interfaces:
NamedSPILoader.NamedSPI
Implements the Lucene 8.6 index format, with configurable per-field postings and docvalues
formats.
If you want to reuse functionality of this codec in another codec, extend FilterCodec
.
- WARNING: This API is experimental and might change in incompatible ways in the next release.
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Constructor Summary
ConstructorDescriptionInstantiates a new codec.Instantiates a new codec, specifying the stored fields compression mode to use. -
Method Summary
Modifier and TypeMethodDescriptionfinal DocValuesFormat
final FieldInfosFormat
getDocValuesFormatForField
(String field) Returns the docvalues format that should be used for writing new segments offield
.getPostingsFormatForField
(String field) Returns the postings format that should be used for writing new segments offield
.final KnnVectorsFormat
final LiveDocsFormat
Methods inherited from class org.apache.lucene.codecs.Codec
availableCodecs, forName, getDefault, getName, reloadCodecs, setDefault, toString
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Constructor Details
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Lucene86Codec
public Lucene86Codec()Instantiates a new codec. -
Lucene86Codec
Instantiates a new codec, specifying the stored fields compression mode to use.- Parameters:
mode
- stored fields compression mode to use for newly flushed/merged segments.
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Method Details
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storedFieldsFormat
- Specified by:
storedFieldsFormat
in classCodec
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termVectorsFormat
- Specified by:
termVectorsFormat
in classCodec
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postingsFormat
- Specified by:
postingsFormat
in classCodec
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fieldInfosFormat
- Specified by:
fieldInfosFormat
in classCodec
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segmentInfoFormat
- Specified by:
segmentInfoFormat
in classCodec
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liveDocsFormat
- Specified by:
liveDocsFormat
in classCodec
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compoundFormat
- Specified by:
compoundFormat
in classCodec
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pointsFormat
- Specified by:
pointsFormat
in classCodec
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knnVectorsFormat
- Specified by:
knnVectorsFormat
in classCodec
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getPostingsFormatForField
Returns the postings format that should be used for writing new segments offield
.The default implementation always returns "Lucene84".
WARNING: if you subclass, you are responsible for index backwards compatibility: future version of Lucene are only guaranteed to be able to read the default implementation.
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getDocValuesFormatForField
Returns the docvalues format that should be used for writing new segments offield
.The default implementation always returns "Lucene80".
WARNING: if you subclass, you are responsible for index backwards compatibility: future version of Lucene are only guaranteed to be able to read the default implementation.
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docValuesFormat
- Specified by:
docValuesFormat
in classCodec
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normsFormat
- Specified by:
normsFormat
in classCodec
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