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.
-
Constructor Summary
ConstructorsConstructorDescriptionInstantiates a new codec.Instantiates a new codec, specifying the stored fields compression mode to use. -
Method Summary
Modifier and TypeMethodDescriptionfinal DocValuesFormatfinal FieldInfosFormatgetDocValuesFormatForField(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 KnnVectorsFormatfinal LiveDocsFormatMethods inherited from class org.apache.lucene.codecs.Codec
availableCodecs, forName, getDefault, getName, reloadCodecs, setDefault, toString
-
Constructor Details
-
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.
-
-
Method Details
-
storedFieldsFormat
- Specified by:
storedFieldsFormatin classCodec
-
termVectorsFormat
- Specified by:
termVectorsFormatin classCodec
-
postingsFormat
- Specified by:
postingsFormatin classCodec
-
fieldInfosFormat
- Specified by:
fieldInfosFormatin classCodec
-
segmentInfoFormat
- Specified by:
segmentInfoFormatin classCodec
-
liveDocsFormat
- Specified by:
liveDocsFormatin classCodec
-
compoundFormat
- Specified by:
compoundFormatin classCodec
-
pointsFormat
- Specified by:
pointsFormatin classCodec
-
knnVectorsFormat
- Specified by:
knnVectorsFormatin classCodec
-
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.
-
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.
-
docValuesFormat
- Specified by:
docValuesFormatin classCodec
-
normsFormat
- Specified by:
normsFormatin classCodec
-