org.galagosearch.core.retrieval.structured
Class ScaleIterator

java.lang.Object
  org.galagosearch.core.retrieval.structured.ScaleIterator

All Implemented Interfaces:

ScoreIterator, StructuredIterator

public class ScaleIterator
extends java.lang.Object
implements ScoreIterator

Author:

trevor

Constructor Summary

ScaleIterator(org.galagosearch.tupleflow.Parameters parameters, ScoreIterator iterator)

Method Summary

boolean	hasMatch(int document)
boolean	isDone()
void	movePast(int document)
void	moveTo(int document)
int	nextCandidate()
void	reset()
double	score(int document, int length)

Methods inherited from class java.lang.Object

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

Constructor Detail

ScaleIterator

public ScaleIterator(org.galagosearch.tupleflow.Parameters parameters,
                     ScoreIterator iterator)
              throws java.lang.IllegalArgumentException

Throws:

java.lang.IllegalArgumentException

Method Detail

nextCandidate

public int nextCandidate()

Specified by:

nextCandidate in interface ScoreIterator

hasMatch

public boolean hasMatch(int document)

Specified by:

hasMatch in interface ScoreIterator

moveTo

public void moveTo(int document)
            throws java.io.IOException

Specified by:

moveTo in interface ScoreIterator

Throws:

java.io.IOException

movePast

public void movePast(int document)
              throws java.io.IOException

Specified by:

movePast in interface ScoreIterator

Throws:

java.io.IOException

score

public double score(int document,
                    int length)

Specified by:

score in interface ScoreIterator

isDone

public boolean isDone()

Specified by:

isDone in interface ScoreIterator

reset

public void reset()
           throws java.io.IOException

Specified by:

reset in interface ScoreIterator

Specified by:

reset in interface StructuredIterator

Throws:

java.io.IOException