// RandomSimulator.h

#ifndef RandomSimulator_H
#define RandomSimulator_H

// This is an abtract class to be used as a base for any class which will
// hold random generators.  It provides an interface for fetching all the
// generators and for registering their states.

#include <vector>
#include "ptr/Ptr.h"
#include "ptr/NullPolicy.h"

class RandomGenerator;
class RandomRegistry;

class RandomSimulator {

public:  // typedefs

  // Pointer to a generator and list of such.
  typedef Ptr<RandomGenerator,NullPolicy>    GeneratorPtr;
  typedef std::vector<GeneratorPtr>               GeneratorList;

public:

  virtual ~RandomSimulator () {}

  // Return the list of random generators.
  // This must be implemented in subclasses.
  virtual GeneratorList get_generators() =0;

  // Register the generators.
  // This should not be overridden in subclasses.
  void register_generators(RandomRegistry& reg);

};

#endif