Class IDFValueSource

Function that returns for every document.

Note that the configured Similarity for the field must be a subclass of TFIDFSimilarity @lucene.internal

Inheritance

System.Object

ValueSource

DocFreqValueSource

IDFValueSource

Inherited Members

DocFreqValueSource.m_field

DocFreqValueSource.m_indexedField

DocFreqValueSource.m_val

DocFreqValueSource.m_indexedBytes

DocFreqValueSource.GetDescription()

DocFreqValueSource.CreateWeight(IDictionary, IndexSearcher)

DocFreqValueSource.GetHashCode()

DocFreqValueSource.Equals(Object)

ValueSource.ToString()

ValueSource.NewContext(IndexSearcher)

ValueSource.GetSortField(Boolean)

Namespace: Lucene.Net.Queries.Function.ValueSources

Assembly: Lucene.Net.Queries.dll

Syntax

public class IDFValueSource : DocFreqValueSource

Constructors

IDFValueSource(String, String, String, BytesRef)

Declaration

public IDFValueSource(string field, string val, string indexedField, BytesRef indexedBytes)

Parameters

Type	Name	Description
System.String	field
System.String	val
System.String	indexedField
BytesRef	indexedBytes

Properties

Name

Declaration

public override string Name { get; }

Property Value

Type	Description
System.String

Overrides

DocFreqValueSource.Name

Methods

GetValues(IDictionary, AtomicReaderContext)

Declaration

public override FunctionValues GetValues(IDictionary context, AtomicReaderContext readerContext)

Parameters

Type	Name	Description
IDictionary	context
AtomicReaderContext	readerContext

Returns

Type	Description
FunctionValues

Overrides

DocFreqValueSource.GetValues(IDictionary, AtomicReaderContext)