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end loop;
Load (Name, Default, Value);
Item := new Setting_Data;
Item.Name := Ada.Strings.Unbounded.To_Unbounded_String (Name);
Item.Value := Value;
Item.Next_Setting := First;
First := Item;
end Get;
procedure Set (Name : in String;
Value : in String) is
Item : Setting_Data_Access := First;
Previous : Setting_Data_Access := null;
begin
while Item /= null loop
if Item.Name = Name then
if Previous /= null then
Previous.Next_Setting := Item.Next_Setting;
First := Item;
end if;
if Item.Value = Value then
return;
end if;
Item.Value := Ada.Strings.Unbounded.To_Unbounded_String (Value);
Save (Name, Value);
return;
end if;
Previous := Item;
Item := Item.Next_Setting;
end loop;
Item := new Setting_Data;
Item.Name := Ada.Strings.Unbounded.To_Unbounded_String (Name);
Item.Value := Ada.Strings.Unbounded.To_Unbounded_String (Value);
Item.Next_Setting := First;
First := Item;
Save (Name, Value);
end Set;
procedure Clear is
begin
while First /= null loop
declare
Item : Setting_Data_Access := First;
begin
First := Item.Next_Setting;
Free (Item);
Function Definition: procedure Unchecked_Free is new Ada.Unchecked_Deallocation
Function Body: (Setting_Impl, Setting_Impl_Ptr);
pragma Warnings (Off, "*redundant conversion*");
Ptr : Setting_Impl_Ptr := Setting_Impl (Object.all)'Access;
pragma Warnings (On, "*redundant conversion*");
begin
Unchecked_Free (Ptr);
end Destroy;
procedure Find (Object : in out Setting_Impl;
Session : in out ADO.Sessions.Session'Class;
Query : in ADO.SQL.Query'Class;
Found : out Boolean) is
Stmt : ADO.Statements.Query_Statement
:= Session.Create_Statement (Query, SETTING_DEF'Access);
begin
Stmt.Execute;
if Stmt.Has_Elements then
Object.Load (Stmt, Session);
Stmt.Next;
Found := not Stmt.Has_Elements;
else
Found := False;
end if;
end Find;
overriding
procedure Load (Object : in out Setting_Impl;
Session : in out ADO.Sessions.Session'Class) is
Found : Boolean;
Query : ADO.SQL.Query;
Id : constant ADO.Identifier := Object.Get_Key_Value;
begin
Query.Bind_Param (Position => 1, Value => Id);
Query.Set_Filter ("id = ?");
Object.Find (Session, Query, Found);
if not Found then
raise ADO.Objects.NOT_FOUND;
end if;
end Load;
procedure Save (Object : in out Setting_Impl;
Session : in out ADO.Sessions.Master_Session'Class) is
Stmt : ADO.Statements.Update_Statement
:= Session.Create_Statement (SETTING_DEF'Access);
begin
if Object.Is_Modified (1) then
Stmt.Save_Field (Name => COL_0_1_NAME, -- id
Value => Object.Get_Key);
Object.Clear_Modified (1);
end if;
if Object.Is_Modified (2) then
Stmt.Save_Field (Name => COL_1_1_NAME, -- name