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DistSearchMethod.hpp

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/*==========================================================================
 * Copyright (c) 2001 Carnegie Mellon University.  All Rights Reserved.
 *
 * Use of the Lemur Toolkit for Language Modeling and Information Retrieval
 * is subject to the terms of the software license set forth in the LICENSE
 * file included with this software, and also available at
 * http://www.lemurproject.org/license.html
 *
 *==========================================================================
*/

#include "common_headers.hpp"
#include "RetrievalMethod.hpp"
#include "RetMethodManager.hpp"
#include "IndexManager.hpp"
#include "DocScore.hpp"

class DistSearchMethod {
public:
  DistSearchMethod() {csindex = NULL; defrt = RetMethodManager::INQUERY; returnCount=1000;} 
  DistSearchMethod(const Index* index, RetMethodManager::RetModel defmodel=RetMethodManager::INQUERY) {
    csindex = index; 
    defrt = defmodel;
  } 
  ~DistSearchMethod() {}

  void setReturnCount(int retCount){returnCount=retCount;};

  void setIndex(const Index* index){csindex = index;} ;
  
  void setDefaultRetMethod(RetMethodManager::RetModel rt) {defrt = rt;};


  void scoreIndexSet(const Query &qry, const IndexedRealVector &indexset, 
                     DocScoreVector** results);

  void scoreIndexSet(const Query &qry, const vector<string> &indexset, 
                     DocScoreVector** results);

  static void indexToID(const Index* ind, const IndexedRealVector* ivec, 
                        DocScoreVector* dvec);

protected:
  void doSingleRetr();

  const Index* csindex; // the collection selection index
  RetMethodManager::RetModel defrt; // default retrieval method to use if no param is avail
  const Query* query; // the query we're currently working on
  DocScoreVector** allres; // where to store all results
  int reslen; // length of allres
  int returnCount;//the number of result should be returned
};

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