CalibDbConnection.h

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/*
  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef CALIBDBCONNECTION_H
#define CALIBDBCONNECTION_H
 
// c - c++
#include "set"
#include "string"
 
namespace coral {
    class IRelationalDomain;
    class ISessionProxy;
    class Context;
    class IQuery;
    class ITableDataEditor;
}  // namespace coral
 
namespace MuonCalib {
 
    class CalibDbConnection {
    public:
        //==================constructor - destructor====================================
        CalibDbConnection(const std::string& ConnectionString, const std::string& WorkingSchema);
        virtual ~CalibDbConnection();
        //==================public member functions=====================================
        // connection control
        bool OpenConnection();
        inline void SetLogin(const std::string& username, const std::string& password) {
            m_username = username;
            m_password = password;
        }
        inline void GetLogin(std::string& username, std::string& password) const {
            username = m_username;
            password = m_password;
        }
        inline const std::string& GetConnectionString() const { return m_connection_string; }
        // set target user - the given login will be used as proxy
        inline void SetTargetUser(const std::string& target_user) { m_target_user = target_user; }
        // transaction control
        void OpenTransaction();
        void Commit();
        void Rollback();
        // get table editor - for insert and update ueries
        coral::ITableDataEditor& GetTableEditor(const std::string& table_name);
        // get query
        coral::IQuery* GetQuery();
        void DestroyQuery(coral::IQuery* query);
        // get latest header id
    private:
        //==================private data members========================================
        // connection strings
        std::string m_connection_string, m_working_schema;
        bool m_comp_loaded;
        // pointer to the open query;
        std::set<coral::IQuery*> m_queries;
        // The application context
        coral::Context* m_context;
        // session proxy
        coral::ISessionProxy* m_session;
        // username
        std::string m_username;
        // password
        std::string m_password;
        // target user
        std::string m_target_user;
        // is true if transaction is open
        bool m_transaction;
        //================private member functions=====================================
        // Returns a reference to the domain object for a given connection
        coral::IRelationalDomain& domain(const std::string& connectionString);
    };
 
}  // namespace MuonCalib
 
#endif