How to use

FeedbackSelector

in

org.terrier.querying

  /** 
   * {@inheritDoc} 
   */
  public FeedbackDocument[] getFeedbackDocuments(Request request)
  {
    FeedbackDocument[] parentReturn = parent.getFeedbackDocuments(request);
    List<FeedbackDocument> rtr = new ArrayList<FeedbackDocument>(parentReturn.length);
    for(FeedbackDocument candidateDocument : parentReturn)
    {
      if (candidateDocument.relevance > 0)
        rtr.add(candidateDocument);
    }
    logger.info("Dropped "+(parentReturn.length - rtr.size())+" irrelevant feedback documents");
    return rtr.toArray(new FeedbackDocument[0]);
  }
}

/** 
 * {@inheritDoc} 
 */
public void setIndex(Index index){
  parent.setIndex(index);
}
/** 

/** 
 * {@inheritDoc} 
 */
public void setIndex(Index index){
  parent.setIndex(index);
}
/** 

  /** 
   * {@inheritDoc} 
   */
  public FeedbackDocument[] getFeedbackDocuments(Request request)
  {
    FeedbackDocument[] parentReturn = parent.getFeedbackDocuments(request);
    List<FeedbackDocument> rtr = new ArrayList<FeedbackDocument>(parentReturn.length);
    for(FeedbackDocument candidateDocument : parentReturn)
    {
      if (candidateDocument.relevance > 0)
        rtr.add(candidateDocument);
    }
    logger.info("Dropped "+(parentReturn.length - rtr.size())+" irrelevant feedback documents");
    return rtr.toArray(new FeedbackDocument[0]);
  }
}

  return null;
rtr.setIndex(lastIndex);//TODO index should come from Request

if (selector == null)
  return false;
FeedbackDocument[] feedback = selector.getFeedbackDocuments(rq);
if (feedback == null || feedback.length == 0)
  return false;

  return null;
rtr.setIndex(lastIndex);//TODO index should come from Request

if (selector == null)
  return false;
FeedbackDocument[] feedback = selector.getFeedbackDocuments(rq);
if (feedback == null || feedback.length == 0)
  return false;