Class FunctionValues

Represents field values as different types. Normally created via a ValueSource for a particular field and reader.

Inheritance

System.Object

FunctionValues

BoolDocValues

DocTermsIndexDocValues

Namespace: Lucene.Net.Queries.Function

Assembly: Lucene.Net.Queries.dll

Syntax

public abstract class FunctionValues : object

Properties

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NumOrd

Declaration

public virtual int NumOrd { get; }

Property Value

Type	Description
System.Int32	the number of unique sort ordinals this instance has

Methods

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BoolVal(Int32)

Declaration

public virtual bool BoolVal(int doc)

Parameters

Type	Name	Description
System.Int32	doc

Returns

Type	Description
System.Boolean

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BytesVal(Int32, BytesRef)

returns the bytes representation of the str val - TODO: should this return the indexed raw bytes not?

Declaration

public virtual bool BytesVal(int doc, BytesRef target)

Parameters

Type	Name	Description
System.Int32	doc
BytesRef	target

Returns

Type	Description
System.Boolean

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ByteVal(Int32)

Declaration

public virtual byte ByteVal(int doc)

Parameters

Type	Name	Description
System.Int32	doc

Returns

Type	Description
System.Byte

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ByteVal(Int32, Byte[])

Declaration

public virtual void ByteVal(int doc, byte[] vals)

Parameters

Type	Name	Description
System.Int32	doc
System.Byte[]	vals

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DoubleVal(Int32)

Declaration

public virtual double DoubleVal(int doc)

Parameters

Type	Name	Description
System.Int32	doc

Returns

Type	Description
System.Double

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DoubleVal(Int32, Double[])

Declaration

public virtual void DoubleVal(int doc, double[] vals)

Parameters

Type	Name	Description
System.Int32	doc
System.Double[]	vals

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Exists(Int32)

Returns true if there is a value for this document

Declaration

public virtual bool Exists(int doc)

Parameters

Type	Name	Description
System.Int32	doc

Returns

Type	Description
System.Boolean

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Explain(Int32)

Declaration

public virtual Explanation Explain(int doc)

Parameters

Type	Name	Description
System.Int32	doc

Returns

Type	Description
Explanation

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GetRangeScorer(IndexReader, String, String, Boolean, Boolean)

Declaration

public virtual ValueSourceScorer GetRangeScorer(IndexReader reader, string lowerVal, string upperVal, bool includeLower, bool includeUpper)

Parameters

Type	Name	Description
IndexReader	reader
System.String	lowerVal
System.String	upperVal
System.Boolean	includeLower
System.Boolean	includeUpper

Returns

Type	Description
ValueSourceScorer

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GetScorer(IndexReader)

Declaration

public virtual ValueSourceScorer GetScorer(IndexReader reader)

Parameters

Type	Name	Description
IndexReader	reader

Returns

Type	Description
ValueSourceScorer

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GetValueFiller()

@lucene.experimental

Declaration

public virtual FunctionValues.ValueFiller GetValueFiller()

Returns

Type	Description
FunctionValues.ValueFiller

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Int16Val(Int32)

NOTE: This was shortVal() in Lucene

Declaration

public virtual short Int16Val(int doc)

Parameters

Type	Name	Description
System.Int32	doc

Returns

Type	Description
System.Int16

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Int16Val(Int32, Int16[])

NOTE: This was shortVal() in Lucene

Declaration

public virtual void Int16Val(int doc, short[] vals)

Parameters

Type	Name	Description
System.Int32	doc
System.Int16[]	vals

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Int32Val(Int32)

NOTE: This was intVal() in Lucene

Declaration

public virtual int Int32Val(int doc)

Parameters

Type	Name	Description
System.Int32	doc

Returns

Type	Description
System.Int32

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Int32Val(Int32, Int32[])

NOTE: This was intVal() in Lucene

Declaration

public virtual void Int32Val(int doc, int[] vals)

Parameters

Type	Name	Description
System.Int32	doc
System.Int32[]	vals

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Int64Val(Int32)

NOTE: This was longVal() in Lucene

Declaration

public virtual long Int64Val(int doc)

Parameters

Type	Name	Description
System.Int32	doc

Returns

Type	Description
System.Int64

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Int64Val(Int32, Int64[])

NOTE: This was longVal() in Lucene

Declaration

public virtual void Int64Val(int doc, long[] vals)

Parameters

Type	Name	Description
System.Int32	doc
System.Int64[]	vals

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ObjectVal(Int32)

Native representation of the value

Declaration

public virtual object ObjectVal(int doc)

Parameters

Type	Name	Description
System.Int32	doc

Returns

Type	Description
System.Object

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OrdVal(Int32)

Declaration

public virtual int OrdVal(int doc)

Parameters

Type	Name	Description
System.Int32	doc	The doc to retrieve to sort ordinal for

Returns

Type	Description
System.Int32	the sort ordinal for the specified doc TODO: Maybe we can just use intVal for this...

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SingleVal(Int32)

NOTE: This was floatVal() in Lucene

Declaration

public virtual float SingleVal(int doc)

Parameters

Type	Name	Description
System.Int32	doc

Returns

Type	Description
System.Single

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SingleVal(Int32, Single[])

NOTE: This was floatVal() in Lucene

Declaration

public virtual void SingleVal(int doc, float[] vals)

Parameters

Type	Name	Description
System.Int32	doc
System.Single[]	vals

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StrVal(Int32)

Declaration

public virtual string StrVal(int doc)

Parameters

Type	Name	Description
System.Int32	doc

Returns

Type	Description
System.String

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StrVal(Int32, String[])

Declaration

public virtual void StrVal(int doc, string[] vals)

Parameters

Type	Name	Description
System.Int32	doc
System.String[]	vals

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ToString(Int32)

Declaration

public abstract string ToString(int doc)

Parameters

Type	Name	Description
System.Int32	doc

Returns

Type	Description
System.String