Class MultiValuedDoubleFieldSource
java.lang.Object
org.apache.lucene.queries.function.ValueSource
org.apache.lucene.queries.function.valuesource.FieldCacheSource
org.apache.lucene.queries.function.valuesource.DoubleFieldSource
org.apache.lucene.queries.function.valuesource.MultiValuedDoubleFieldSource
Obtains double field values from
LeafReader.getSortedNumericDocValues(java.lang.String)
and using a SortedNumericSelector
it gives a single-valued ValueSource view of a
field.-
Field Summary
Fields inherited from class org.apache.lucene.queries.function.valuesource.FieldCacheSource
field
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Constructor Summary
ConstructorDescriptionMultiValuedDoubleFieldSource
(String field, SortedNumericSelector.Type selector) -
Method Summary
Modifier and TypeMethodDescriptiondescription of field, used in explain()boolean
protected NumericDocValues
getNumericDocValues
(Map<Object, Object> context, LeafReaderContext readerContext) getSortField
(boolean reverse) EXPERIMENTAL: This method is subject to change.int
hashCode()
Methods inherited from class org.apache.lucene.queries.function.valuesource.DoubleFieldSource
getValues
Methods inherited from class org.apache.lucene.queries.function.valuesource.FieldCacheSource
getField
Methods inherited from class org.apache.lucene.queries.function.ValueSource
asDoubleValuesSource, asLongValuesSource, createWeight, fromDoubleValuesSource, newContext, toString
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Field Details
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selector
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Constructor Details
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MultiValuedDoubleFieldSource
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Method Details
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getSortField
Description copied from class:ValueSource
EXPERIMENTAL: This method is subject to change.Get the SortField for this ValueSource. Uses the
ValueSource.getValues(java.util.Map, org.apache.lucene.index.LeafReaderContext)
to populate the SortField.- Overrides:
getSortField
in classDoubleFieldSource
- Parameters:
reverse
- true if this is a reverse sort.- Returns:
- The
SortField
for the ValueSource
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description
Description copied from class:ValueSource
description of field, used in explain()- Overrides:
description
in classDoubleFieldSource
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getNumericDocValues
protected NumericDocValues getNumericDocValues(Map<Object, Object> context, LeafReaderContext readerContext) throws IOException- Overrides:
getNumericDocValues
in classDoubleFieldSource
- Throws:
IOException
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equals
- Overrides:
equals
in classDoubleFieldSource
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hashCode
public int hashCode()- Overrides:
hashCode
in classDoubleFieldSource
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