// BSD License (http://www.galagosearch.org/license)

 package org.galagosearch.core.retrieval.structured;

 import java.io.IOException;

 /**

  *

  * @author trevor

  */

 public interface ScoreIterator extends StructuredIterator {

     public int nextCandidate();

     public boolean hasMatch(int document);

     public void moveTo(int document) throws IOException;

     public void movePast(int document) throws IOException;

     public double score(int document, int length);

     public boolean isDone();

     public void reset() throws IOException;

 }