transaction.hpp

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/*##############################################################################
 VSQLite++ - virtuosic bytes SQLite3 C++ wrapper
 
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#ifndef GUARD_SQLITE_TRANSACTION_HPP_INCLUDED
#define GUARD_SQLITE_TRANSACTION_HPP_INCLUDED
 
#include <string>
#include <string_view>

namespace sqlite {
inline namespace v2 {
    struct connection;
    struct snapshot;

    enum class transaction_type { undefined, deferred, immediate, exclusive };

    struct transaction {
    public:
        transaction(connection &con, transaction_type type = transaction_type::undefined);

        ~transaction();

        void begin(transaction_type type = transaction_type::undefined);

        void end();

        void commit();

        void rollback();

        bool isActive() const { return m_isActive; }
 
        bool isEnding() const { return m_isEnding; }

        snapshot take_snapshot(std::string_view schema = "main");

        void open_snapshot(snapshot const &snap, std::string_view schema = "main");
 
    private:
        void exec(std::string const &);
        connection &m_con;
        bool m_isActive{false}; 
        bool m_isEnding{false}; 
    };
} // namespace v2
} // namespace sqlite
 
#endif // GUARD_SQLITE_TRANSACTION_HPP_INCLUDED