Package org.apache.lucene.codecs
Class KnnVectorsWriter
java.lang.Object
org.apache.lucene.codecs.KnnVectorsWriter
- All Implemented Interfaces:
Closeable
,AutoCloseable
,Accountable
- Direct Known Subclasses:
BufferingKnnVectorsWriter
,Lucene99HnswVectorsWriter
Writes vectors to an index.
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Nested Class Summary
Nested ClassesModifier and TypeClassDescriptionstatic final class
View over multiple vector values supporting iterator-style access via DocIdMerger. -
Field Summary
Fields inherited from interface org.apache.lucene.util.Accountable
NULL_ACCOUNTABLE
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionabstract KnnFieldVectorsWriter
<?> Add new field for indexingabstract void
finish()
Called once at the end before closeabstract void
flush
(int maxDoc, Sorter.DocMap sortMap) Flush all buffered data on disk *final void
merge
(MergeState mergeState) Merges the segment vectors for all fields.void
mergeOneField
(FieldInfo fieldInfo, MergeState mergeState) Write field for mergingMethods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface org.apache.lucene.util.Accountable
getChildResources, ramBytesUsed
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Constructor Details
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KnnVectorsWriter
protected KnnVectorsWriter()Sole constructor
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Method Details
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addField
Add new field for indexing- Throws:
IOException
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flush
Flush all buffered data on disk *- Throws:
IOException
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mergeOneField
Write field for merging- Throws:
IOException
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finish
Called once at the end before close- Throws:
IOException
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merge
Merges the segment vectors for all fields. This default implementation delegates tomergeOneField(org.apache.lucene.index.FieldInfo, org.apache.lucene.index.MergeState)
, passing aKnnVectorsReader
that combines the vector values and ignores deleted documents.- Throws:
IOException
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