Writable_Database.h

Go to the documentation of this file.

/////////////////////////////////////////////////////////////////////////////
//
// This code was automatically generated by the joedb compiler
// https://www.joedb.org/
//
// Path to compiler: /home/rcoulom/repos/joedb/doc/source/tutorial/build/joedbc
// Version: 9.1.4
// joedbc compilation time: Apr 15 2025 14:46:29
// Generation of this file: 2025-04-15 12:46:31 GMT
//
/////////////////////////////////////////////////////////////////////////////
#ifndef settings_Writable_Database_declared
#define settings_Writable_Database_declared
 
#include "Database.h"
#include "joedb/Span.h"
 
namespace settings
{
 namespace detail
 {
  class Client_Data;
 }
 
 class Client;
 class Multiplexer;
 
 /// A writable @ref Database constructed from a writable @ref joedb::Buffered_File
 class Writable_Database: public Database
 {
  friend class detail::Client_Data;
  friend class Client;
  friend class Multiplexer;
 
  private:
   joedb::Writable_Journal journal;
   bool ready_to_write;
 
   void play_journal();
   void auto_upgrade();
   void check_single_row();
 
   void initialize()
   {
    play_journal();
    check_schema();
    auto_upgrade();
    check_single_row();
    default_checkpoint();
   }
 
   void add_field
   (
    Table_Id table_id,
    const std::string &name,
    joedb::Type type
   ) override;
 
   void create_table(const std::string &name) override;
 
   Writable_Database
   (
    joedb::Buffered_File &file,
    bool perform_initialization,
    joedb::Readonly_Journal::Check check,
    joedb::Commit_Level commit_level
   );
 
  public:
   Writable_Database
   (
    joedb::Buffered_File &file,
    joedb::Readonly_Journal::Check check = joedb::Readonly_Journal::Check::all,
    joedb::Commit_Level commit_level = joedb::Commit_Level::no_commit
   );
 
   const joedb::Readonly_Journal &get_journal() const {return journal;}
 
   std::string read_blob_data(joedb::Blob blob) const
   {
    return journal.get_file().read_blob_data(blob);
   }
 
   joedb::Blob write_blob_data(const std::string &data) final
   {
    return journal.write_blob_data(data);
   }
 
   int64_t ahead_of_checkpoint() const
   {
    return journal.ahead_of_checkpoint();
   }
 
   void checkpoint_no_commit()
   {
    journal.checkpoint(joedb::Commit_Level::no_commit);
   }
 
   void checkpoint_half_commit()
   {
    journal.checkpoint(joedb::Commit_Level::half_commit);
   }
 
   void checkpoint_full_commit()
   {
    journal.checkpoint(joedb::Commit_Level::full_commit);
   }
 
   void checkpoint()
   {
    journal.default_checkpoint();
   }
 
   void checkpoint(joedb::Commit_Level commit_level) final
   {
    journal.checkpoint(commit_level);
   }
 
   void write_comment(const std::string &comment);
   void write_timestamp();
   void write_timestamp(int64_t timestamp);
   void write_valid_data();
   void flush() override {journal.flush();}
 
  private:
   id_of_settings new_settings()
   {
    id_of_settings result(Record_Id(storage_of_settings.freedom_keeper.get_free_record() - 1));
    storage_of_settings.resize(storage_of_settings.freedom_keeper.size());
    internal_insert_settings(result.get_record_id());
 
    journal.insert_into(Table_Id(1), result.get_record_id());
    return result;
   }
 
   id_of_settings new_settings
   (
    bool field_value_of_dark_mode,
    const std::string& field_value_of_host,
    const std::string& field_value_of_user
   )
   {
    auto result = new_settings();
    set_dark_mode(result, field_value_of_dark_mode);
    set_host(result, field_value_of_host);
    set_user(result, field_value_of_user);
    return result;
   }
 
  public:
   void set_dark_mode(id_of_settings record, bool field_value_of_dark_mode)
   {
    internal_update_settings__dark_mode(record.get_record_id(), field_value_of_dark_mode);
    journal.update_boolean(Table_Id(1), record.get_record_id(), Field_Id(1), field_value_of_dark_mode);
   }
 
   template<typename F> void update_vector_of_dark_mode(id_of_settings record, size_t size, F f)
   {
    std::exception_ptr exception;
    joedb::Span<char> span(&storage_of_settings.field_value_of_dark_mode[record.get_id() - 1], size);
    try {f(span);}
    catch (...) {exception = std::current_exception();}
    internal_update_vector_settings__dark_mode(record.get_record_id(), size, span.begin());
    journal.update_vector_boolean(Table_Id(1), record.get_record_id(), Field_Id(1), size, (span.begin()));
    if (exception)
     std::rethrow_exception(exception);
   }
 
   void set_host(id_of_settings record, const std::string& field_value_of_host)
   {
    internal_update_settings__host(record.get_record_id(), field_value_of_host);
    journal.update_string(Table_Id(1), record.get_record_id(), Field_Id(2), field_value_of_host);
   }
 
   template<typename F> void update_vector_of_host(id_of_settings record, size_t size, F f)
   {
    std::exception_ptr exception;
    joedb::Span<std::string> span(&storage_of_settings.field_value_of_host[record.get_id() - 1], size);
    try {f(span);}
    catch (...) {exception = std::current_exception();}
    internal_update_vector_settings__host(record.get_record_id(), size, span.begin());
    journal.update_vector_string(Table_Id(1), record.get_record_id(), Field_Id(2), size, (span.begin()));
    if (exception)
     std::rethrow_exception(exception);
   }
 
   void set_user(id_of_settings record, const std::string& field_value_of_user)
   {
    internal_update_settings__user(record.get_record_id(), field_value_of_user);
    journal.update_string(Table_Id(1), record.get_record_id(), Field_Id(3), field_value_of_user);
   }
 
   template<typename F> void update_vector_of_user(id_of_settings record, size_t size, F f)
   {
    std::exception_ptr exception;
    joedb::Span<std::string> span(&storage_of_settings.field_value_of_user[record.get_id() - 1], size);
    try {f(span);}
    catch (...) {exception = std::current_exception();}
    internal_update_vector_settings__user(record.get_record_id(), size, span.begin());
    journal.update_vector_string(Table_Id(1), record.get_record_id(), Field_Id(3), size, (span.begin()));
    if (exception)
     std::rethrow_exception(exception);
   }
 
 
 };}
 
#endif