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gr_analyzer.h

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// Graph Analyzer Basics implementation -*- C++ -*-

// Copyright (C) 2003 Hermann Schichl
//
// This file is part of the COCONUT API.  This library
// is free software; you can redistribute it and/or modify it under the
// terms of the Library GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// Library GNU General Public License for more details.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the Library GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the Library GNU General Public License.

#ifndef _GR_ANALYZER_H
#define _GR_ANALYZER_H

#include <iostream>
#include <coconut_config.h>
#include <search_node.h>
#include <termreason.h>
#include <gptr.h>
#include <string>
#include <dbtools.h>
#include <viewdbase>
#include <ie_statistic.h>
#include <control_data.h>
#include <ie_rettype.h>
#include <sgraphctx.h>

using namespace vgtl;

typedef ie_return_type ga_return_type;

class graph_analyzer
{
protected:
  std::string __name;
  const gptr<search_graph>* __sgraph;
  search_focus* __sfoc;
  search_graph_context* __sgc;
  vdbl::viewdbase __vdb;

public:
  // the constructor for a basic graph analyzer
  graph_analyzer(const gptr<search_graph>& sgraph,
                 const search_focus& sfoc,
                 const std::string& __n)
         : __name(__n), __sgraph(&sgraph),
           __sfoc(&sfoc),
           __sgc(new search_graph_context(&sgraph)),
           __vdb(*(*sgraph).__dbase->get_local_copy(),
                 (*sgraph).__dbuser, *__sgc) {}

  graph_analyzer(const gptr<search_graph>& sgraph,
                 const std::string& __n)
         : __name(__n), __sgraph(&sgraph),
           __sfoc(NULL),
           __sgc(new search_graph_context(&sgraph)),
           __vdb(*(*sgraph).__dbase->get_local_copy(),
                 (*sgraph).__dbuser, *__sgc) {}

  virtual ~graph_analyzer() { delete __sgc; }

  virtual bool update_engine(const gptr<work_node>& sgraph,
                             const search_focus& sfoc)
    {
      __sgraph = &sgraph;
      __sfoc = &sfoc;
      return true;
    }

  virtual bool update_engine(const gptr<work_node>& sgraph)
    {
      __sgraph = &sgraph;
      __sfoc = NULL;
      return true;
    }

  virtual ga_return_type analyze(const control_data& __c)
    { return ga_return_type(termination_reason(0, std::string("SUCCESS"))); }

  const std::string& get_name() const { return __name; }
};

#endif /* _GR_ANALYZER_H */

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