db/v7/mysql/data.h

#ifndef DBALLE_DB_V7_MYSQL_DATA_H
#define DBALLE_DB_V7_MYSQL_DATA_H
 
#include <dballe/db/v7/cache.h>
#include <dballe/db/v7/data.h>
#include <dballe/sql/fwd.h>
 
namespace dballe {
namespace db {
namespace v7 {
namespace mysql {
struct DB;
 
template <typename Parent> class MySQLDataCommon : public Parent
{
protected:
    dballe::sql::MySQLConnection& conn;
 
#if 0
    dballe::sql::MySQLStatement* read_attrs_stm = nullptr;
    dballe::sql::MySQLStatement* write_attrs_stm = nullptr;
    dballe::sql::MySQLStatement* remove_attrs_stm = nullptr;
    dballe::sql::MySQLStatement* sstm = nullptr;
    dballe::sql::MySQLStatement* istm = nullptr;
    dballe::sql::MySQLStatement* ustm = nullptr;
#endif
 
public:
    MySQLDataCommon(v7::Transaction& tr, dballe::sql::MySQLConnection& conn);
    MySQLDataCommon(const MySQLDataCommon&)            = delete;
    MySQLDataCommon(const MySQLDataCommon&&)           = delete;
    MySQLDataCommon& operator=(const MySQLDataCommon&) = delete;
    ~MySQLDataCommon();
 
    void update(Tracer<>& trc, std::vector<typename Parent::BatchValue>& vars,
                bool with_attrs) override;
    void read_attrs(
        Tracer<>& trc, int id_data,
        std::function<void(std::unique_ptr<wreport::Var>)> dest) override;
    void write_attrs(Tracer<>& trc, int id_data, const Values& values) override;
    void remove_all_attrs(Tracer<>& trc, int id_data) override;
    void remove(Tracer<>& trc, const v7::IdQueryBuilder& qb) override;
    void remove_by_id(Tracer<>& trc, int id) override;
};
 
extern template class MySQLDataCommon<StationData>;
extern template class MySQLDataCommon<Data>;

class MySQLStationData : public MySQLDataCommon<StationData>
{
public:
    using MySQLDataCommon::MySQLDataCommon;
 
    MySQLStationData(v7::Transaction& tr, dballe::sql::MySQLConnection& conn);
 
    void
    query(Tracer<>& trc, int id_station,
          std::function<void(int id, wreport::Varcode code)> dest) override;
    void insert(Tracer<>& trc, int id_station,
                std::vector<batch::StationDatum>& vars,
                bool with_attrs) override;
    void run_station_data_query(
        Tracer<>& trc, const v7::DataQueryBuilder& qb,
        std::function<void(const dballe::DBStation& station, int id_data,
                           std::unique_ptr<wreport::Var> var)>) override;
    void dump(FILE* out) override;
    void clear_cache() override {}
};

class MySQLData : public MySQLDataCommon<Data>
{
public:
    using MySQLDataCommon::MySQLDataCommon;
 
    MySQLData(v7::Transaction& tr, dballe::sql::MySQLConnection& conn);
 
    void query(Tracer<>& trc, int id_station, const Datetime& datetime,
               std::function<void(int id, int id_levtr, wreport::Varcode code)>
                   dest) override;
    void insert(Tracer<>& trc, int id_station, const Datetime& datetime,
                std::vector<batch::MeasuredDatum>& vars,
                bool with_attrs) override;
    void run_data_query(
        Tracer<>& trc, const v7::DataQueryBuilder& qb,
        std::function<void(const dballe::DBStation& station, int id_levtr,
                           const Datetime& datetime, int id_data,
                           std::unique_ptr<wreport::Var> var)>) override;
    void run_summary_query(
        Tracer<>& trc, const v7::SummaryQueryBuilder& qb,
        std::function<void(const dballe::DBStation& station, int id_levtr,
                           wreport::Varcode code, const DatetimeRange& datetime,
                           size_t size)>) override;
    void dump(FILE* out) override;
    void clear_cache() override {}
};
 
} // namespace mysql
} // namespace v7
} // namespace db
} // namespace dballe
#endif