composite_perturbation.h

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#ifndef COMPOSITE_PERTURBATION_H
#define COMPOSITE_PERTURBATION_H
#include "perturbation.h"
#include <vector>
#include <list>
#include <boost/shared_ptr.hpp>

namespace FullPhysics {
class CompositePerturbation;
/****************************************************************/
class PerturbationBuilder {
public:
  virtual ~PerturbationBuilder() {}

//-----------------------------------------------------------------------
//-----------------------------------------------------------------------

  virtual void attach_notify(CompositePerturbation& Comp_ig)
  { }

//-----------------------------------------------------------------------
//-----------------------------------------------------------------------

  virtual int number_element() const = 0;

//-----------------------------------------------------------------------
//-----------------------------------------------------------------------  

  virtual void build_perturbation(blitz::Array<double, 1>& v, int index) const = 0;
};

/****************************************************************/
class CompositePerturbation : public Perturbation {
public:
  virtual ~CompositePerturbation() {}
  virtual blitz::Array<double, 1> perturbation() const;
  virtual void print(std::ostream& Os) const;
  int number_element() const;
//-----------------------------------------------------------------------
//-----------------------------------------------------------------------

  void add_builder(const boost::shared_ptr<PerturbationBuilder>& B)
  {
    blist.push_back(B);
    B->attach_notify(*this);
  }

//-----------------------------------------------------------------------
//-----------------------------------------------------------------------

  void remove_builder(const boost::shared_ptr<PerturbationBuilder>& B)
  {
    blist.remove(B);
  }
private:
  std::list<boost::shared_ptr<PerturbationBuilder> > blist;
};
}
#endif