Class FilteredQuery.FilterStrategy

Abstract class that defines how the filter (DocIdSet) applied during document collection.

Inheritance

System.Object

FilteredQuery.FilterStrategy

FilteredQuery.RandomAccessFilterStrategy

Inherited Members

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.ToString()

Namespace: Lucene.Net.Search

Assembly: Lucene.Net.dll

Syntax

public abstract class FilterStrategy

Methods

FilteredBulkScorer(AtomicReaderContext, Weight, Boolean, DocIdSet)

Returns a filtered BulkScorer based on this strategy. this is an optional method: the default implementation just calls FilteredScorer(AtomicReaderContext, Weight, DocIdSet) and wraps that into a BulkScorer.

Declaration

public virtual BulkScorer FilteredBulkScorer(AtomicReaderContext context, Weight weight, bool scoreDocsInOrder, DocIdSet docIdSet)

Parameters

Type	Name	Description
AtomicReaderContext	context	the AtomicReaderContext for which to return the Scorer.
Weight	weight	the FilteredQuery Weight to create the filtered scorer.
System.Boolean	scoreDocsInOrder	true to score docs in order
DocIdSet	docIdSet	the filter DocIdSet to apply

Returns

Type	Description
BulkScorer	a filtered top scorer

FilteredScorer(AtomicReaderContext, Weight, DocIdSet)

Returns a filtered Scorer based on this strategy.

Declaration

public abstract Scorer FilteredScorer(AtomicReaderContext context, Weight weight, DocIdSet docIdSet)

Parameters

Type	Name	Description
AtomicReaderContext	context	the AtomicReaderContext for which to return the Scorer.
Weight	weight	the FilteredQuery Weight to create the filtered scorer.
DocIdSet	docIdSet	the filter DocIdSet to apply

Returns

Type	Description
Scorer	a filtered scorer

Exceptions

Type	Condition
System.IO.IOException	if an System.IO.IOException occurs