org.terrier.matching

Class ScoringMatching

java.lang.Object

org.terrier.matching.FilterMatching

org.terrier.matching.AbstractScoringMatching

org.terrier.matching.ScoringMatching

All Implemented Interfaces:

Matching

public class ScoringMatching
extends AbstractScoringMatching

Matching implementation that uses a parent Matching instance to get the docids to work with. Scores are replaced using the specified weighting model. Scoring is done in a DAAT fashion.

Author:

craigm

Field Summary

Fields inherited from class org.terrier.matching.AbstractScoringMatching

documentModifiers, dsmNamespace, filterTerm, index, sort, wm

Fields inherited from class org.terrier.matching.FilterMatching

parent

Constructor Summary

Constructors

Constructor and Description
ScoringMatching(Index _index, Matching _parent)
ScoringMatching(Index _index, Matching _parent, WeightingModel _wm)
ScoringMatching(Index _index, Matching _parent, WeightingModel _wm, Predicate<org.apache.commons.lang3.tuple.Pair<String,Set<String>>> _filter)

Method Summary

Modifier and Type	Method and Description
protected void	assignScore(int offset, int docid, double score, IterablePosting[] postings)
ResultSet	doMatch(String queryNumber, MatchingQueryTerms queryTerms, ResultSet rsInput)
protected void	finalise(int numScored)
protected ResultSet	getFinalResultSet()
String	getInfo() Return a human readable description of this Matching class
protected void	makeResultSet(String[] qs, EntryStatistics[] es, double[] ks)
void	setCollectionStatistics(CollectionStatistics cs) Update the collection statistics being used by this matching instance

Methods inherited from class org.terrier.matching.FilterMatching

match

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ScoringMatching

public ScoringMatching(Index _index,
                       Matching _parent,
                       WeightingModel _wm,
                       Predicate<org.apache.commons.lang3.tuple.Pair<String,Set<String>>> _filter)

ScoringMatching

public ScoringMatching(Index _index,
                       Matching _parent,
                       WeightingModel _wm)

ScoringMatching

public ScoringMatching(Index _index,
                       Matching _parent)

Method Detail

doMatch

public ResultSet doMatch(String queryNumber,
                         MatchingQueryTerms queryTerms,
                         ResultSet rsInput)
                  throws IOException

Specified by:

doMatch in class FilterMatching

Throws:

IOException

finalise

protected void finalise(int numScored)

makeResultSet

protected void makeResultSet(String[] qs,
                             EntryStatistics[] es,
                             double[] ks)

assignScore

protected void assignScore(int offset,
                           int docid,
                           double score,
                           IterablePosting[] postings)

getFinalResultSet

protected ResultSet getFinalResultSet()

getInfo

public String getInfo()

Description copied from interface: Matching

Return a human readable description of this Matching class

setCollectionStatistics

public void setCollectionStatistics(CollectionStatistics cs)

Description copied from interface: Matching

Update the collection statistics being used by this matching instance

Parameters:

cs - CollectionStatistics to use during matching