Class DisjunctionMaxQuery.DisjunctionMaxWeight

Expert: the Weight for DisjunctionMaxQuery, used to normalize, score and explain these queries.

NOTE: this API and implementation is subject to change suddenly in the next release.

Inheritance

object

Weight

DisjunctionMaxQuery.DisjunctionMaxWeight

Inherited Members

Weight.GetBulkScorer(AtomicReaderContext, bool, IBits)

Weight.ScoresDocsOutOfOrder

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Namespace: Lucene.Net.Search

Assembly: Lucene.Net.dll

Syntax

protected class DisjunctionMaxQuery.DisjunctionMaxWeight : Weight

Constructors

DisjunctionMaxWeight(DisjunctionMaxQuery, IndexSearcher)

Construct the Weight for this Query searched by searcher. Recursively construct subquery weights.

Declaration

public DisjunctionMaxWeight(DisjunctionMaxQuery outerInstance, IndexSearcher searcher)

Parameters

Type	Name	Description
DisjunctionMaxQuery	outerInstance
IndexSearcher	searcher

Fields

m_weights

The Weights for our subqueries, in 1-1 correspondence with disjuncts

Declaration

protected IList<Weight> m_weights

Field Value

Type	Description
IList<Weight>

Properties

Query

Return our associated DisjunctionMaxQuery

Declaration

public override Query Query { get; }

Property Value

Type	Description
Query

Overrides

Weight.Query

Methods

Explain(AtomicReaderContext, int)

Explain the score we computed for doc

Declaration

public override Explanation Explain(AtomicReaderContext context, int doc)

Parameters

Type	Name	Description
AtomicReaderContext	context
int	doc

Returns

Type	Description
Explanation

Overrides

Weight.Explain(AtomicReaderContext, int)

GetScorer(AtomicReaderContext, IBits)

Create the scorer used to score our associated DisjunctionMaxQuery

Declaration

public override Scorer GetScorer(AtomicReaderContext context, IBits acceptDocs)

Parameters

Type	Name	Description
AtomicReaderContext	context
IBits	acceptDocs

Returns

Type	Description
Scorer

Overrides

Weight.GetScorer(AtomicReaderContext, IBits)

GetValueForNormalization()

Compute the sub of squared weights of us applied to our subqueries. Used for normalization.

Declaration

public override float GetValueForNormalization()

Returns

Type	Description
float

Overrides

Weight.GetValueForNormalization()

Normalize(float, float)

Apply the computed normalization factor to our subqueries

Declaration

public override void Normalize(float norm, float topLevelBoost)

Parameters

Type	Name	Description
float	norm
float	topLevelBoost

Overrides

Weight.Normalize(float, float)