Class RangeMapSingleFunction

RangeMapSingleFunction implements a map function over another ValueSource whose values fall within min and max inclusive to target.

Normally used as an argument to a FunctionQuery

NOTE: This was RangeMapFloatFunction in Lucene

Inheritance
System.Object
ValueSource
RangeMapSingleFunction
Inherited Members
System.Object.Equals(System.Object, System.Object)
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
Namespace: Lucene.Net.Queries.Function.ValueSources
Assembly: Lucene.Net.Queries.dll
Syntax
public class RangeMapSingleFunction : ValueSource

Constructors

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RangeMapSingleFunction(ValueSource, Single, Single, ValueSource, ValueSource)

Declaration
public RangeMapSingleFunction(ValueSource source, float min, float max, ValueSource target, ValueSource def)
Parameters
Type Name Description
ValueSource source
System.Single min
System.Single max
ValueSource target
ValueSource def
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RangeMapSingleFunction(ValueSource, Single, Single, Single, Nullable<Single>)

Declaration
public RangeMapSingleFunction(ValueSource source, float min, float max, float target, float? def)
Parameters
Type Name Description
ValueSource source
System.Single min
System.Single max
System.Single target
System.Nullable<System.Single> def

Fields

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m_defaultVal

Declaration
protected readonly ValueSource m_defaultVal
Field Value
Type Description
ValueSource
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m_max

Declaration
protected readonly float m_max
Field Value
Type Description
System.Single
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m_min

Declaration
protected readonly float m_min
Field Value
Type Description
System.Single
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m_source

Declaration
protected readonly ValueSource m_source
Field Value
Type Description
ValueSource
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m_target

Declaration
protected readonly ValueSource m_target
Field Value
Type Description
ValueSource

Methods

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CreateWeight(IDictionary, IndexSearcher)

Declaration
public override void CreateWeight(IDictionary context, IndexSearcher searcher)
Parameters
Type Name Description
System.Collections.IDictionary context
IndexSearcher searcher
Overrides
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Equals(Object)

Declaration
public override bool Equals(object o)
Parameters
Type Name Description
System.Object o
Returns
Type Description
System.Boolean
Overrides
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GetDescription()

Declaration
public override string GetDescription()
Returns
Type Description
System.String
Overrides
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GetHashCode()

Declaration
public override int GetHashCode()
Returns
Type Description
System.Int32
Overrides
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GetValues(IDictionary, AtomicReaderContext)

Declaration
public override FunctionValues GetValues(IDictionary context, AtomicReaderContext readerContext)
Parameters
Type Name Description
System.Collections.IDictionary context
AtomicReaderContext readerContext
Returns
Type Description
FunctionValues
Overrides