root/library/bdm/bdmroot.h @ 676

/*!
  \file
  \brief Bayesian Models (bm) that use Bayes rule to learn from observations
  \author Vaclav Smidl.

  -----------------------------------
  BDM++ - C++ library for Bayesian Decision Making under Uncertainty

  Using IT++ for numerical operations
  -----------------------------------
*/

#ifndef root_H
#define root_H

#include <string>

#include "itpp_ext.h"
#include "base/libconfig/libconfig.h++"

using namespace libconfig;
using namespace itpp;
using namespace std;

namespace bdm {
        
//forward declaration
class logger;
        
//! information about connection to a logger
class log_record {
public:
        //!remember which logger is registered 
        logger &L;
        //! vector of log IDs - one element for each entry
        ivec ids;
        
        //!default constructor
        log_record(logger &L0): L(L0),ids(0){}
};
        
//! Root class of BDM objects
class root {
        protected:
        //! record of connections to the logger
        log_record* logrec;
        //! level of details that will be logged to a logger
        int log_level;
        
public:
        //!default constructor
        root() : logrec(NULL),log_level(0) {};
        
        //! make sure this is a virtual object
        virtual ~root() {
                if (logrec) delete logrec;
        }

        //! Returns a basic textual info about the current instance
        virtual string to_string() const {
                return "";
        }
        //! Register itself in a logger, i.e. allocate space for data from this class
        //! The level of details (parameter \c level ) is individual for each class.
        virtual void log_register(logger &L, const string &prefix){
                logrec = new log_record(L);
        }
        
        //! Write current information into the given logger 
        virtual void log_write() const {
        }
        //! set level of details to be logged - needs to be called before log_register!
        virtual void set_log_level(int level) {log_level = level;}

        //! Read instance properties according the data stored in the Setting structure
        virtual void from_setting ( const Setting &set ) {
        }

        //! Save all the instance properties into the Setting structure
        virtual void to_setting ( Setting &set ) const {
        }

        //! Check that all internal structures has been correctly set-up. Called at the end of from_setting.
        virtual void validate() {
        }
        
};

}; //namespace
#endif // root_H