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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"

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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