org.terrier.matching.dsms

Class ResetScores

java.lang.Object

org.terrier.matching.dsms.ResetScores

All Implemented Interfaces:

Cloneable, DocumentScoreModifier

public class ResetScores
extends Object
implements DocumentScoreModifier

Resets the scores in the resultset to 0.00001d

Since:

3.5

Author:

Craig Macdonald

Field Summary

Fields

Modifier and Type	Field and Description
protected double	DEFAULT

Constructor Summary

Constructors

Constructor and Description
ResetScores()

Method Summary

Modifier and Type	Method and Description
Object	clone() Creates the close of this object
String	getName() Returns the name of the document score modifier.
boolean	modifyScores(Index index, MatchingQueryTerms queryTerms, ResultSet resultSet) Modifies the scores of the documents for a given query.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT

protected final double DEFAULT

Constructor Detail

ResetScores

public ResetScores()

Method Detail

getName

public String getName()

Description copied from interface: DocumentScoreModifier

Returns the name of the document score modifier.

Specified by:

getName in interface DocumentScoreModifier

Returns:

String the name of the document score modifier.

modifyScores

public boolean modifyScores(Index index,
                            MatchingQueryTerms queryTerms,
                            ResultSet resultSet)

Description copied from interface: DocumentScoreModifier

Modifies the scores of the documents for a given query. This returns a boolean that allows the Matching class to determine if the scores of the documents have actually been altered. This is because the resultset has to be resorted after each one.

Specified by:

modifyScores in interface DocumentScoreModifier

Parameters:

index - Index the data structures used for retrieval.

queryTerms - MatchingQueryTerms[] the query terms

resultSet - ResultSet the current set of results.

Returns:

true if any scores have been altered

clone

public Object clone()

Creates the close of this object

Specified by:

clone in interface DocumentScoreModifier

Overrides:

clone in class Object