Class DoubleConstValueSource
java.lang.Object
org.apache.lucene.queries.function.ValueSource
org.apache.lucene.queries.function.valuesource.ConstNumberSource
org.apache.lucene.queries.function.valuesource.DoubleConstValueSource
Function that returns a constant double value for every document.
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptiondescription of field, used in explain()boolean
boolean
getBool()
double
float
getFloat()
int
getInt()
long
getLong()
getValues
(Map<Object, Object> context, LeafReaderContext readerContext) Gets the values for this reader and the context that was previously passed to createWeight().int
hashCode()
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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DoubleConstValueSource
public DoubleConstValueSource(double constant)
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Method Details
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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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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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hashCode
public int hashCode()- Specified by:
hashCode
in classValueSource
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equals
- Specified by:
equals
in classValueSource
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getInt
public int getInt()- Specified by:
getInt
in classConstNumberSource
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getLong
public long getLong()- Specified by:
getLong
in classConstNumberSource
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getFloat
public float getFloat()- Specified by:
getFloat
in classConstNumberSource
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getDouble
public double getDouble()- Specified by:
getDouble
in classConstNumberSource
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getNumber
- Specified by:
getNumber
in classConstNumberSource
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getBool
public boolean getBool()- Specified by:
getBool
in classConstNumberSource
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