C# Class Lucene.Net.Search.DisjunctionMaxScorer

The Scorer for DisjunctionMaxQuery's. The union of all documents generated by the the subquery scorers is generated in document number order. The score for each document is the maximum of the scores computed by the subquery scorers that generate that document, plus tieBreakerMultiplier times the sum of the scores for the other subqueries that generate the document.

Inheritance: Lucene.Net.Search.Scorer

Datei anzeigen Open project: synhershko/lucene.net Class Usage Examples

Public Methods

Method	Description
Advance ( int target ) : int
DisjunctionMaxScorer ( float tieBreakerMultiplier, Similarity similarity, Lucene.Net.Search.Scorer subScorers, int numScorers ) : System	Creates a new instance of DisjunctionMaxScorer
DocID ( ) : int
NextDoc ( ) : int
Score ( ) : float	Determine the current document score. Initially invalid, until Next() is called the first time.

Private Methods

Method	Description
HeapAdjust ( int root ) : void
HeapRemoveRoot ( ) : void
Heapify ( ) : void
ScoreAll ( int root, int size, int doc, float sum, float max ) : void

Method Details

Advance() public method

public Advance ( int target ) : int
target	int
return	int

DisjunctionMaxScorer() public method

Creates a new instance of DisjunctionMaxScorer

public DisjunctionMaxScorer ( float tieBreakerMultiplier, Similarity similarity, Lucene.Net.Search.Scorer subScorers, int numScorers ) : System
tieBreakerMultiplier	float	Multiplier applied to non-maximum-scoring subqueries for a /// document as they are summed into the result. ///
similarity	Similarity	-- not used since our definition involves neither coord nor terms /// directly ///
subScorers	Lucene.Net.Search.Scorer	The sub scorers this Scorer should iterate on ///
numScorers	int	The actual number of scorers to iterate on. Note that the array's /// length may be larger than the actual number of scorers. ///
return	System

DocID() public method

public DocID ( ) : int
return	int

NextDoc() public method

public NextDoc ( ) : int
return	int

Score() public method

Determine the current document score. Initially invalid, until Next() is called the first time.

public Score ( ) : float
return	float