Class Range

Base class for a single labeled range.

@lucene.experimental

Inheritance
System.Object
Range
DoubleRange
Int64Range
Namespace: Lucene.Net.Facet.Range
Assembly: Lucene.Net.Facet.dll
Syntax
public abstract class Range : object

Constructors

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Range(String)

Sole constructor.

Declaration
protected Range(string label)
Parameters
Type Name Description
System.String label

Properties

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Label

Label that identifies this range.

Declaration
public string Label { get; }
Property Value
Type Description
System.String

Methods

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FailNoMatch()

Invoke this for a useless range.

Declaration
protected virtual void FailNoMatch()
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GetFilter(ValueSource)

Returns a new accepting only documents in this range. This filter is not general-purpose; you should either use it with DrillSideways by adding it to Add(String, Search.Filter), or pass it to using its . If the ValueSource is static, e.g. an indexed numeric field, then it may be more efficient to use .

Declaration
public virtual Search.Filter GetFilter(ValueSource valueSource)
Parameters
Type Name Description
ValueSource valueSource
Returns
Type Description
Search.Filter
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GetFilter(Search.Filter, ValueSource)

Returns a new accepting only documents in this range. This filter is not general-purpose; you should either use it with DrillSideways by adding it to Add(String, Search.Filter), or pass it to using its . If the ValueSource is static, e.g. an indexed numeric field, then it may be more efficient to use . The provided fastMatchFilter, if non-null, will first be consulted, and only if that is set for each document will the range then be checked.

Declaration
public abstract Search.Filter GetFilter(Search.Filter fastMatchFilter, ValueSource valueSource)
Parameters
Type Name Description
Search.Filter fastMatchFilter
ValueSource valueSource
Returns
Type Description
Search.Filter