ddl_enum_table_function.h

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#ifndef _MAPPER_ENUM_TABLE_MODULE_HEADER
#define _MAPPER_ENUM_TABLE_MODULE_HEADER
 
#include <ddl/mapping/mapper_base_types.h>
 
namespace ddl {
namespace mapping {

class DDLEnumTableFunction : public MapperElementBase<Function> {
public:
    static std::string getType()
    {
        return "ddl_enum_table";
    }

    static Properties getDefaultProperties()
    {
        return {{"from", {}}, {"to", {}}, {"default", {}}, {"table", {}}, {"description", {}}};
    }
 
    DDLEnumTableFunction() = delete;
    DDLEnumTableFunction(std::string name, Properties properties);
 
    Function::Description getDescription() const override;
    std::shared_ptr<Function::Callable> getCallable() const override;

    struct TransformParameter
    {
        std::unordered_map<uint64_t, uint64_t> _lookup_table;
        uint64_t _default_value;
    };
 
private:
    void initialize();
    TransformParameter _transform_parameter;
};
 
} // namespace mapping
} // namespace ddl
 
#endif // _MAPPER_ENUM_TABLE_MODULE_HEADER