CMSSW_4_4_3_patch1/src/CondCore/DBCommon/interface/ClassID.h

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#ifndef CondCoreDBCommon_ClassID_H
#define CondCoreDBCommon_ClassID_H
#include <typeinfo>
#include<vector>
#include<string>

namespace cond {

  namespace idCategories {
    std::string const pythonIDCategory("CondPythonID");
  }



  char const * className(const std::type_info& t);


  class ClassInfo {
  public:
    virtual ~ClassInfo(){}
    inline ClassInfo(const std::type_info& t) : tinfo(t) {}
    //inline ClassInfo(const std::type_info& t, int);
    inline const std::type_info& type() const { return tinfo;}
    std::string pluginName(std::string const & prefix) const;
    virtual std::string resource() const=0;
  private:
    //ClassIDRegistry * registry;
    //const char * registerMe(const std::type_info& t);
    const std::type_info& tinfo;
  };
  
  
  template<typename T>
  struct ClassID : public  ClassInfo {
    ClassID() : ClassInfo(typeid(T)) {}
    ClassID(char const * res ) : ClassInfo(typeid(T)), m_res(res) {}
    ClassID(int i) : ClassInfo(typeid(T),i) {}
    virtual std::string resource() const { return m_res;}
  private:
    std::string m_res;
  };
  
    
}

#include "FWCore/PluginManager/interface/PluginFactory.h"
namespace cond{
  typedef edmplugin::PluginFactory<ClassInfo*() > ClassInfoFactory;
}

#define PYTHON_ID(type_, plugName_, uname_)                                     \
  namespace pythonID { struct EDM_PLUGIN_SYM(plugName_, uname_)  : public cond::ClassID<type_> { EDM_PLUGIN_SYM(plugName_ , uname_) () : cond::ClassID<type_>(::plugName_){}};} \
  DEFINE_EDM_PLUGIN(cond::ClassInfoFactory, EDM_PLUGIN_SYM(pythonID::plugName_, uname_) , EDM_PLUGIN_SYM(pythonID::plugName_, uname_)().pluginName(cond::idCategories::pythonIDCategory).c_str() )


#endif //  CondCoreDBCommon_ClassID_H