amroc/amr/IO/mutator-base.h

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// -*- C++ -*-

#ifndef NMWR_GB_MUTATOR_BASE_H
#define NMWR_GB_MUTATOR_BASE_H

#include <iosfwd>
#include <string>

class Mutator {
public:
  virtual void read (std::istream& in)  = 0;
  virtual void print(std::ostream& out) const = 0;
  virtual void print(std::ostream& out, const std::string& name) const = 0;
  virtual std::string description() const;
  virtual ~Mutator() {}
};

class ControlDevice;

class controlable {
public:
  virtual void register_at(ControlDevice&,const std::string& /*prefix*/) {}
  virtual void register_at(ControlDevice&) {}
  // virtual void unregister_at(ControlDevice&) = 0;

  virtual void notify()  {} // may be used to signal a change
  virtual ~controlable() {}
};


#endif

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