Class ConstValueSource
- java.lang.Object
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- org.apache.lucene.queries.function.ValueSource
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- org.apache.lucene.queries.function.valuesource.ConstNumberSource
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- org.apache.lucene.queries.function.valuesource.ConstValueSource
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public class ConstValueSource extends ConstNumberSource
ConstValueSourcereturns a constant for all documents
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Constructor Summary
Constructors Constructor Description ConstValueSource(float constant)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Stringdescription()description of field, used in explain()booleanequals(Object o)booleangetBool()doublegetDouble()floatgetFloat()intgetInt()longgetLong()NumbergetNumber()FunctionValuesgetValues(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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Method Detail
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description
public String 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 IOException
Description 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
public boolean equals(Object o)
- 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
public Number getNumber()
- Specified by:
getNumberin classConstNumberSource
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getBool
public boolean getBool()
- Specified by:
getBoolin classConstNumberSource
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