Class EnumFieldSource
java.lang.Object
org.apache.lucene.queries.function.ValueSource
org.apache.lucene.queries.function.valuesource.FieldCacheSource
org.apache.lucene.queries.function.valuesource.EnumFieldSource
Obtains int field values from
LeafReader.getNumericDocValues(java.lang.String)
and
makes those values available as other numeric types, casting as needed. strVal of the value is
not the int value, but its string (displayed) value-
Field Summary
Fields inherited from class org.apache.lucene.queries.function.valuesource.FieldCacheSource
field
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Constructor Summary
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Method Summary
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, getSortField, newContext, toString
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Constructor Details
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EnumFieldSource
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Method Details
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description
Description copied from class:ValueSource
description of field, used in explain()- Overrides:
description
in classFieldCacheSource
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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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equals
- Overrides:
equals
in classFieldCacheSource
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hashCode
public int hashCode()- Overrides:
hashCode
in classFieldCacheSource
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