Package org.apache.lucene.index
Class VectorValuesWriter
- java.lang.Object
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- org.apache.lucene.index.VectorValuesWriter
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class VectorValuesWriter extends java.lang.Object
Buffers up pending vector value(s) per doc, then flushes when segment flushes.
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Nested Class Summary
Nested Classes Modifier and Type Class Description private static class
VectorValuesWriter.BufferedVectorValues
(package private) static class
VectorValuesWriter.SortingVectorValues
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Field Summary
Fields Modifier and Type Field Description private long
bytesUsed
private DocsWithFieldSet
docsWithField
private FieldInfo
fieldInfo
private Counter
iwBytesUsed
private int
lastDocID
private java.util.List<float[]>
vectors
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Constructor Summary
Constructors Constructor Description VectorValuesWriter(FieldInfo fieldInfo, Counter iwBytesUsed)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
addValue(int docID, float[] vectorValue)
Adds a value for the given document.void
flush(Sorter.DocMap sortMap, KnnVectorsWriter knnVectorsWriter)
Flush this field's values to storage, sorting the values in accordance with sortMapprivate void
updateBytesUsed()
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Field Detail
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fieldInfo
private final FieldInfo fieldInfo
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iwBytesUsed
private final Counter iwBytesUsed
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vectors
private final java.util.List<float[]> vectors
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docsWithField
private final DocsWithFieldSet docsWithField
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lastDocID
private int lastDocID
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bytesUsed
private long bytesUsed
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Method Detail
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addValue
public void addValue(int docID, float[] vectorValue)
Adds a value for the given document. Only a single value may be added.- Parameters:
docID
- the value is added to this documentvectorValue
- the value to add- Throws:
java.lang.IllegalArgumentException
- if a value has already been added to the given document
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updateBytesUsed
private void updateBytesUsed()
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flush
public void flush(Sorter.DocMap sortMap, KnnVectorsWriter knnVectorsWriter) throws java.io.IOException
Flush this field's values to storage, sorting the values in accordance with sortMap- Parameters:
sortMap
- specifies the order of documents being flushed, or null if they are to be flushed in docid orderknnVectorsWriter
- the Codec's vector writer that handles the actual encoding and I/O- Throws:
java.io.IOException
- if there is an error writing the field and its values
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