org.galagosearch.core.retrieval.structured
Class ScoreCombinationIterator

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

All Implemented Interfaces:

ScoreIterator, StructuredIterator

Direct Known Subclasses:

FilteredCombinationIterator, UnfilteredCombinationIterator

public abstract class ScoreCombinationIterator
extends java.lang.Object
implements ScoreIterator

Author:

trevor

Constructor Summary

ScoreCombinationIterator(org.galagosearch.tupleflow.Parameters parameters, ScoreIterator[] childIterators)

Method Summary

void	movePast(int document)
void	moveTo(int document)
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

Methods inherited from interface org.galagosearch.core.retrieval.structured.ScoreIterator

hasMatch, isDone, nextCandidate

Constructor Detail

ScoreCombinationIterator

public ScoreCombinationIterator(org.galagosearch.tupleflow.Parameters parameters,
                                ScoreIterator[] childIterators)

Method Detail

score

public double score(int document,
                    int length)

Specified by:

score in interface ScoreIterator

movePast

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

Specified by:

movePast in interface ScoreIterator

Throws:

java.io.IOException

moveTo

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

Specified by:

moveTo in interface ScoreIterator

Throws:

java.io.IOException

reset

public void reset()
           throws java.io.IOException

Specified by:

reset in interface ScoreIterator

Specified by:

reset in interface StructuredIterator

Throws:

java.io.IOException