HasInput.h

//-*-C++-*-
/***************************************************************************
 *
 *   Copyright (C) 2009 by Willem van Straten
 *   Licensed under the Academic Free License version 2.1
 *
 ***************************************************************************/
 
// dspsr/Kernel/Classes/dsp/HasInput.h
 
#ifndef __dsp_HasInput_h
#define __dsp_HasInput_h
 
#include "ReferenceTo.h"
 
namespace dsp
{
  template <class In>
  class HasInput
  {
  public:
 
    virtual ~HasInput () {}
 
    virtual void set_input (const In* _input) { input = _input; }
 
    const In* get_input () const { return input; }
 
    bool has_input() const { return input; }
 
  protected:
 
    Reference::To<const In> input;
  };
}
 
#endif