Class Lucene86Codec
- java.lang.Object
-
- org.apache.lucene.codecs.Codec
-
- org.apache.lucene.backward_codecs.lucene86.Lucene86Codec
-
- All Implemented Interfaces:
NamedSPILoader.NamedSPI
public class Lucene86Codec extends Codec
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
Constructors Constructor Description Lucene86Codec()
Instantiates a new codec.Lucene86Codec(Lucene50StoredFieldsFormat.Mode mode)
Instantiates a new codec, specifying the stored fields compression mode to use.
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description CompoundFormat
compoundFormat()
DocValuesFormat
docValuesFormat()
FieldInfosFormat
fieldInfosFormat()
DocValuesFormat
getDocValuesFormatForField(String field)
Returns the docvalues format that should be used for writing new segments offield
.PostingsFormat
getPostingsFormatForField(String field)
Returns the postings format that should be used for writing new segments offield
.KnnVectorsFormat
knnVectorsFormat()
LiveDocsFormat
liveDocsFormat()
NormsFormat
normsFormat()
PointsFormat
pointsFormat()
PostingsFormat
postingsFormat()
SegmentInfoFormat
segmentInfoFormat()
StoredFieldsFormat
storedFieldsFormat()
TermVectorsFormat
termVectorsFormat()
-
Methods inherited from class org.apache.lucene.codecs.Codec
availableCodecs, forName, getDefault, getName, reloadCodecs, setDefault, toString
-
-
-
-
Constructor Detail
-
Lucene86Codec
public Lucene86Codec()
Instantiates a new codec.
-
Lucene86Codec
public Lucene86Codec(Lucene50StoredFieldsFormat.Mode mode)
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 Detail
-
storedFieldsFormat
public StoredFieldsFormat storedFieldsFormat()
- Specified by:
storedFieldsFormat
in classCodec
-
termVectorsFormat
public TermVectorsFormat termVectorsFormat()
- Specified by:
termVectorsFormat
in classCodec
-
postingsFormat
public PostingsFormat postingsFormat()
- Specified by:
postingsFormat
in classCodec
-
fieldInfosFormat
public final FieldInfosFormat fieldInfosFormat()
- Specified by:
fieldInfosFormat
in classCodec
-
segmentInfoFormat
public SegmentInfoFormat segmentInfoFormat()
- Specified by:
segmentInfoFormat
in classCodec
-
liveDocsFormat
public final LiveDocsFormat liveDocsFormat()
- Specified by:
liveDocsFormat
in classCodec
-
compoundFormat
public CompoundFormat compoundFormat()
- Specified by:
compoundFormat
in classCodec
-
pointsFormat
public PointsFormat pointsFormat()
- Specified by:
pointsFormat
in classCodec
-
knnVectorsFormat
public final KnnVectorsFormat knnVectorsFormat()
- Specified by:
knnVectorsFormat
in classCodec
-
getPostingsFormatForField
public PostingsFormat getPostingsFormatForField(String field)
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
public DocValuesFormat getDocValuesFormatForField(String field)
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
public final DocValuesFormat docValuesFormat()
- Specified by:
docValuesFormat
in classCodec
-
normsFormat
public NormsFormat normsFormat()
- Specified by:
normsFormat
in classCodec
-
-