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SimFactory.hpp

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/*==========================================================================
 * Copyright (c) 2002 University of Massachusetts.  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
 *
 *==========================================================================
*/

// David Fisher
// init: 02/05/2003
#ifndef _SIMFACTORY_HPP
#define _SIMFACTORY_HPP
// Add new similarity methods here.
#include "CosSim.hpp"
#include "ClusterParam.hpp"
class SimFactory {
public:
static SimilarityMethod * makeSim(const Index &index,
                                  enum ClusterParam::simTypes simType = ClusterParam::COS) {
  switch (simType) {
  case ClusterParam::COS:
    return new CosSim(index);
  default:
    cerr << "Unknown similarity method " << simType << endl;
    return NULL;
  }
}
};
#endif

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