uk.ac.gla.terrier.matching.tsms
Class FieldScoreModifier

java.lang.Object
  uk.ac.gla.terrier.matching.tsms.FieldScoreModifier

All Implemented Interfaces:

java.lang.Cloneable, TermScoreModifier

public class FieldScoreModifier
extends java.lang.Object
implements TermScoreModifier

Modifies the scores of a term for a document, given the tags the term appears in the document. This class implements the TermScoreModifier interface.

Version:

$Revision: 1.10 $.

Author:

Vassilis Plachouras

Constructor Summary

FieldScoreModifier()

Method Summary

java.lang.Object	clone() Return a clone of this object (deep copy).
java.lang.String	getName() Returns the name of the modifier.
int	modifyScores(double[] scores, int[][] pointers) Modifies the scores of documents for a particular term, based on the fields a term appears in documents.

Methods inherited from class java.lang.Object

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

Methods inherited from interface uk.ac.gla.terrier.matching.tsms.TermScoreModifier

hashCode

Constructor Detail

FieldScoreModifier

public FieldScoreModifier()

Method Detail

modifyScores

public int modifyScores(double[] scores,
                        int[][] pointers)

Modifies the scores of documents for a particular term, based on the fields a term appears in documents.

Specified by:

modifyScores in interface TermScoreModifier

Parameters:

scores - double[] the scores of the documents.

pointers - int[][] the pointers read from the inverted file for a particular query term.

Returns:

the number of documents for which the scores were modified.

getName

public java.lang.String getName()

Description copied from interface: TermScoreModifier

Returns the name of the modifier.

Specified by:

getName in interface TermScoreModifier

Returns:

String the name of the modifier.

clone

public java.lang.Object clone()

Description copied from interface: TermScoreModifier

Return a clone of this object (deep copy).

Specified by:

clone in interface TermScoreModifier

Overrides:

clone in class java.lang.Object