DBConnectionMgr.hh

#ifndef DBConnectionMgr_h
#define DBConnectionMgr_h

#include "lccd.h"
// #include "lccd/DBInterface.hh"

// forward declarations
class ICondDBMgr ;

#include <iostream>
#include <set>
#include <map>


namespace lccd {
  
  class DBInterface ;
  
  
  class DBConnectionMgr {
    
  private:
    typedef std::set< DBInterface* > DBSet ;
    
    struct DBRefs{
      ICondDBMgr* Mgr = nullptr ;
      DBSet Set{} ; 
    } ;
    
//     typedef std::map< std::string , std::pair< DBSet,ICondDBMgr*> > DBMap ;
    typedef std::map< std::string , DBRefs > DBMap ;
    
    DBConnectionMgr() ;

  public:

    static DBConnectionMgr* instance() ;

    ICondDBMgr* getDBConnection( const std::string& dbInit , DBInterface* dbInterface ) ;
    
    void releaseConnection( const std::string& dbInit, DBInterface* dbInterface ) ;
    
    ~DBConnectionMgr() ;
    
  private:
    DBMap _map{} ;

  };

}  //end namespace

#endif // DBConnectionMgr_h