emcCalFEMFactory.h

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#ifndef __EMCCALFEMFACTORY_H__
#define __EMCCALFEMFACTORY_H__

class emcCalFEM;
#include "PHTimeStamp.h"
#include <iostream>
#include <string>
#include <map>

class emcCalFEMFactory
{
public:

  typedef emcCalFEM* (*Creator)(int absolutePosition,
                                const PHTimeStamp& start,
                                const PHTimeStamp& end,
                                bool isDefault);
  typedef std::map<std::string,Creator> CreatorMap;

  static emcCalFEM*
  Create(const char* category, 
         int absPosition,
         const PHTimeStamp& start=PHTimeStamp(), 
         const PHTimeStamp& end=PHTimeStamp(PHTimeStamp::PHFarFuture));

  //  /// Same w/o validity period.
  //  static emcCalFEM* Create(const char* category,
  //                       int absPosition);

  static emcCalFEM* 
  CreateDefault(const char* category, 
                int absPosition, 
                const PHTimeStamp& start=PHTimeStamp(), 
                const PHTimeStamp& end=PHTimeStamp(PHTimeStamp::PHFarFuture));

  static void print(std::ostream& out = std::cout);

  //  static emcCalFEM* CreateDefault(const char* category, 
  //                                  int absPosition);

  static bool registerCreator(const char* category,
                              Creator creator);
private:

  static emcCalFEM* create(const char* category,
                           int absPosition,
                           const PHTimeStamp& start,
                           const PHTimeStamp& end,
                           bool isDefault);

  static CreatorMap& fCreators();
};

#endif