JobCROOT.h

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// $Id: JobCROOT.h,v 1.15 2005/04/19 09:58:49 rhatcher Exp $
//
// Interface for JobController for ROOT
//
// messier@huhepl.harvard.edu
#ifndef JOBCROOT_H
#define JOBCROOT_H
#ifndef CSTDLIB
#include <cstdlib>
#define CSTDLIB
#endif
#ifndef ROOT_Rtypes
#if !defined(__CINT__) || defined(__MAKECINT__)
#include "Rtypes.h" // Needed for ClassDef and ClassImp macros
#endif
#endif

class JobController;
class MomNavigator;

class JobCROOT
{
public:
  virtual ~JobCROOT();
  
  void operator()(const char *input);
  
  static JobCROOT& Instance();
  
  // Special methods that might be needed in a root session
  MomNavigator* GetMom();
  
private:
  JobCROOT();
  JobCROOT(const JobCROOT& /* x */)            { abort(); }
  JobCROOT& operator=(const JobCROOT& /* x */) { abort(); }
  struct Cleaner {
    void ClassIsUsed() { } // Keeps compiler's quiet if class is used
    ~Cleaner() { 
      if(JobCROOT::fInstance!=0) {
        delete JobCROOT::fInstance;
        JobCROOT::fInstance=0;
      }
    }
  };
  friend struct Cleaner;

  static JobCROOT* fInstance;         // The instance of the interface
  
public:
  ClassDef(JobCROOT,0) // ROOT def. for interface class
};
#endif

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