DbiTableProxyRegistry.h

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#ifndef DBITABLEPROXYREGISTRY_H
#define DBITABLEPROXYREGISTRY_H

#if !defined(__CINT__) || defined(__MAKECINT__)
#include "Rtypes.h"
#endif
#include <map>
#include <string>
#include "Configurable/CfgConfigurable.h"
#include "DatabaseInterface/DbiSimFlagAssociation.h"
#include "DatabaseInterface/DbiRollbackDates.h"

class DbiCascader;
class DbiTableProxy;
class DbiTableRow;
class DbiValidate;

class DbiTableProxyRegistry : public CfgConfigurable
{

  friend class DbiValidate;      //Allow DbiValidate access to dtor and 
                                 // fCascader
public:

// State testing member functions
      void ShowStatistics() const;

// State changing member functions
static DbiTableProxyRegistry& Instance();
static       Bool_t IsActive() { return fgInstance ? kTRUE: kFALSE; }

               void Config();
               void ClearRollbackDates();
               void ClearSimFlagAssociation();
       DbiCascader& GetCascader() { return *fCascader; }
     DbiTableProxy& GetTableProxy(const std::string& tableName, 
                                  const DbiTableRow* tableRow) ;
             Bool_t HasRowCounter(const std::string& tableName); 
               void PurgeCaches();
               void RefreshMetaData(const std::string& tableName);
               void SetSqlCondition(const std::string& sql=""); 

protected:

// Constructors (protected because singleton).
           DbiTableProxyRegistry();
  virtual ~DbiTableProxyRegistry();

private:

// State changing member functions

               void SetConfigFromEnvironment();

public:

// Helper class to handle deletion of singleton
 struct Cleaner {
   static int fgCount; // counts #includes
   Cleaner() { this->Increment(); }
   ~Cleaner() {
     if (--fgCount==0 && DbiTableProxyRegistry::fgInstance!=0) {
       delete DbiTableProxyRegistry::fgInstance;
       DbiTableProxyRegistry::fgInstance = 0;
     }
   }
   void Increment() { ++fgCount; };
 };
 friend class Cleaner;

private:

// Disabled (not implemented) copy constructor and asignment.

 DbiTableProxyRegistry(const DbiTableProxyRegistry&);
 DbiTableProxyRegistry& operator=(const DbiTableProxyRegistry&);

// State testing member functions
               void ApplySqlCondition() const; 
               void ApplySqlCondition(DbiTableProxy* proxy) const; 

// Data members
 
  DbiCascader* fCascader;      

  std::string fSqlCondition;  

#ifndef __CINT__  // Hide map from CINT; complains: missing Streamer() etc.

  std::map<std::string,DbiTableProxy*> fTPmap;         
#endif  // __CINT__   
   
  DbiRollbackDates fRollbackDates; 

  DbiSimFlagAssociation fSimFlagAss;  


  static DbiTableProxyRegistry* fgInstance;     

ClassDef(DbiTableProxyRegistry,0)   // Singleton register DbiTableProxys.

};

#ifndef __CINT__

static struct DbiTableProxyRegistry::Cleaner __dbi_cleaner;
#endif

#endif  // DBITABLEPROXYREGISTRY_H

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