DBManager.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
 *
 *==========================================================================
 */

#ifndef _DBMANAGER_HPP
#define _DBMANAGER_HPP

#include "MemParser.hpp"
namespace lemur 
{
  namespace distrib
  {
    
    typedef struct results {
      int numDocs;
      docid_t * ids;
    } results_t;



    class DBManager {

    public:

      virtual void open (const string &info) = 0;
      virtual void close() = 0;

      virtual results_t * query (const char * query, int numdocs) const = 0;
      virtual MemParser * getParser() const = 0;
      virtual doc_t * getDoc(const docid_t docid) const = 0;
      virtual void output(const docid_t docid) const = 0;
      virtual void setOutputFile(const string &filename) const = 0;

    };
  }
}

#endif

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