no.sesat.search.query.analyser
Class Scorer

java.lang.Object
  no.sesat.commons.visitor.AbstractReflectionVisitor
      no.sesat.search.query.analyser.Scorer

All Implemented Interfaces:

no.sesat.commons.visitor.Visitor

public final class Scorer
extends no.sesat.commons.visitor.AbstractReflectionVisitor

Responsible for Visiting the Query and scoring a total according to the rule's predicateScores listed in the context. This class is not thread-safe.

Version:

$Id: Scorer.java 7225 2009-04-09 00:32:20Z ssmiweve $

Nested Class Summary

static interface

Scorer.Context The contextual dependencies the Scorer requires to calculate a total score for this Query it will visit.

Field Summary

Fields inherited from class no.sesat.commons.visitor.AbstractReflectionVisitor

VISIT_METHOD_IMPL

Constructor Summary

Scorer(Scorer.Context cxt)
Create the Scorer with the required context.

Method Summary

void	addScore(PredicateScore predicateScore) A positive match on the PredicateScore increases the score.
void	error(PredicateScore predicateScore) An error occurred looking for a match against the PredicateScore.
int	getScore() the scoring result.
void	minusScore(PredicateScore predicateScore) A negative match on the PredicateScore decreases the score.

Methods inherited from class no.sesat.commons.visitor.AbstractReflectionVisitor

visit, visitImpl

Methods inherited from class java.lang.Object

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

Constructor Detail

Scorer

public Scorer(Scorer.Context cxt)

Create the Scorer with the required context.

Parameters:

cxt -

Method Detail

getScore

public int getScore()

the scoring result. should not be called before visiting is over.

Returns:

the current score.

addScore

public void addScore(PredicateScore predicateScore)

A positive match on the PredicateScore increases the score. *

Parameters:

predicateScore -

minusScore

public void minusScore(PredicateScore predicateScore)

A negative match on the PredicateScore decreases the score. *

Parameters:

predicateScore -

error

public void error(PredicateScore predicateScore)

An error occurred looking for a match against the PredicateScore. *

Parameters:

predicateScore -