Transaction.hpp

Go to the documentation of this file.

#pragma once
#ifndef _MDBX_CONTAINERS_TRANSACTION_HPP_INCLUDED
#define _MDBX_CONTAINERS_TRANSACTION_HPP_INCLUDED

 
namespace mdbxc {
    
    enum class TransactionMode {
        READ_ONLY,  
        WRITABLE    
    };

    class Transaction {
        friend class Connection;
    public:

        virtual ~Transaction();

        void begin();

        void commit();

        void rollback();

        MDBX_txn *handle() const noexcept;
        
        Transaction(TransactionTracker* registry,
                    MDBX_env* env,
                    TransactionMode mode);
        
        Transaction(Transaction&&) noexcept = default;
        Transaction& operator=(Transaction&&) noexcept = default;
        
    private:
 
        Transaction(const Transaction&) = delete;
        Transaction& operator=(const Transaction&) = delete;
 
        TransactionTracker* m_registry = nullptr;
        MDBX_env*       m_env = nullptr;            
        MDBX_txn*       m_txn = nullptr;            
        TransactionMode m_mode;                     
        bool            m_started = false;
    }; // Transaction
 
}; // namespace mdbxc
 
#ifdef MDBX_CONTAINERS_HEADER_ONLY
#include "Transaction.ipp"
#endif
 
#endif // _MDBX_CONTAINERS_TRANSACTION_HPP_INCLUDED