Class VectorValueSource
java.lang.Object
org.apache.lucene.queries.function.ValueSource
org.apache.lucene.queries.function.valuesource.MultiValueSource
org.apache.lucene.queries.function.valuesource.VectorValueSource
Converts individual ValueSource instances to leverage the FunctionValues *Val functions that work
with multiple values, i.e.
FunctionValues.doubleVal(int, double[])
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Field Summary
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionvoid
createWeight
(Map<Object, Object> context, IndexSearcher searcher) Implementations should propagate createWeight to sub-ValueSources which can optionally store weight info in the context.description of field, used in explain()int
boolean
getValues
(Map<Object, Object> context, LeafReaderContext readerContext) Gets the values for this reader and the context that was previously passed to createWeight().int
hashCode()
name()
Methods inherited from class org.apache.lucene.queries.function.ValueSource
asDoubleValuesSource, asLongValuesSource, fromDoubleValuesSource, getSortField, newContext, toString
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Field Details
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sources
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Constructor Details
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VectorValueSource
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Method Details
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getSources
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dimension
public int dimension()- Specified by:
dimension
in classMultiValueSource
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name
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getValues
public FunctionValues getValues(Map<Object, Object> context, LeafReaderContext readerContext) throws IOExceptionDescription copied from class:ValueSource
Gets the values for this reader and the context that was previously passed to createWeight(). The values must be consumed in a forward docID manner, and you must call this method again to iterate through the values again.- Specified by:
getValues
in classValueSource
- Throws:
IOException
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createWeight
Description copied from class:ValueSource
Implementations should propagate createWeight to sub-ValueSources which can optionally store weight info in the context. The context object will be passed to getValues() where this info can be retrieved.- Overrides:
createWeight
in classValueSource
- Throws:
IOException
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description
Description copied from class:ValueSource
description of field, used in explain()- Specified by:
description
in classValueSource
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equals
- Specified by:
equals
in classValueSource
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hashCode
public int hashCode()- Specified by:
hashCode
in classValueSource
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