Package org.apache.lucene.codecs
Class BufferingKnnVectorsWriter
java.lang.Object
org.apache.lucene.codecs.KnnVectorsWriter
org.apache.lucene.codecs.BufferingKnnVectorsWriter
- All Implemented Interfaces:
Closeable
,AutoCloseable
,Accountable
Buffers up pending vector value(s) per doc, then flushes when segment flushes. Used for
SimpleTextKnnVectorsWriter
and for vectors writers before v 9.3 .- WARNING: This API is experimental and might change in incompatible ways in the next release.
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Nested Class Summary
Nested classes/interfaces inherited from class org.apache.lucene.codecs.KnnVectorsWriter
KnnVectorsWriter.MergedVectorValues
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Field Summary
Fields inherited from interface org.apache.lucene.util.Accountable
NULL_ACCOUNTABLE
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionAdd new field for indexingvoid
flush
(int maxDoc, Sorter.DocMap sortMap) Flush all buffered data on disk *void
mergeOneField
(FieldInfo fieldInfo, MergeState mergeState) Write field for merginglong
Return the memory usage of this object in bytes.protected abstract void
writeField
(FieldInfo fieldInfo, ByteVectorValues byteVectorValues, int maxDoc) Write the provided byte vector fieldprotected abstract void
writeField
(FieldInfo fieldInfo, FloatVectorValues floatVectorValues, int maxDoc) Write the provided float vector fieldMethods inherited from class org.apache.lucene.codecs.KnnVectorsWriter
finish, merge
Methods 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
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Constructor Details
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BufferingKnnVectorsWriter
protected BufferingKnnVectorsWriter()Sole constructor
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Method Details
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addField
Description copied from class:KnnVectorsWriter
Add new field for indexing- Specified by:
addField
in classKnnVectorsWriter
- Throws:
IOException
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flush
Description copied from class:KnnVectorsWriter
Flush all buffered data on disk *- Specified by:
flush
in classKnnVectorsWriter
- Throws:
IOException
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ramBytesUsed
public long ramBytesUsed()Description copied from interface:Accountable
Return the memory usage of this object in bytes. Negative values are illegal. -
mergeOneField
Description copied from class:KnnVectorsWriter
Write field for merging- Overrides:
mergeOneField
in classKnnVectorsWriter
- Throws:
IOException
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writeField
protected abstract void writeField(FieldInfo fieldInfo, FloatVectorValues floatVectorValues, int maxDoc) throws IOException Write the provided float vector field- Throws:
IOException
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writeField
protected abstract void writeField(FieldInfo fieldInfo, ByteVectorValues byteVectorValues, int maxDoc) throws IOException Write the provided byte vector field- Throws:
IOException
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