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
Constructors -
Method Summary
Modifier and TypeMethodDescriptiondescription of field, used in explain()booleanbooleangetBool()doublefloatgetFloat()intgetInt()longgetLong()getValues(Map<Object, Object> context, LeafReaderContext readerContext) Gets the values for this reader and the context that was previously passed to createWeight().inthashCode()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:ValueSourcedescription of field, used in explain()- Specified by:
descriptionin classValueSource
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getValues
public FunctionValues getValues(Map<Object, Object> context, LeafReaderContext readerContext) throws IOExceptionDescription copied from class:ValueSourceGets 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:
getValuesin classValueSource- Throws:
IOException
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hashCode
public int hashCode()- Specified by:
hashCodein classValueSource
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equals
- Specified by:
equalsin classValueSource
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getInt
public int getInt()- Specified by:
getIntin classConstNumberSource
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getLong
public long getLong()- Specified by:
getLongin classConstNumberSource
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getFloat
public float getFloat()- Specified by:
getFloatin classConstNumberSource
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getDouble
public double getDouble()- Specified by:
getDoublein classConstNumberSource
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getNumber
- Specified by:
getNumberin classConstNumberSource
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getBool
public boolean getBool()- Specified by:
getBoolin classConstNumberSource
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