Componentes.Terceros.RemObjects/official/5.0.23.613/RemObjects SDK for Delphi/Samples/Variants/VariantsLibrary_Intf.pas

unit VariantsLibrary_Intf;

{----------------------------------------------------------------------------}
{ This unit was automatically generated by the RemObjects SDK after reading  }
{ the RODL file associated with this project .                               }
{                                                                            }
{ Do not modify this unit manually, or your changes will be lost when this   }
{ unit is regenerated the next time you compile the project.                 }
{----------------------------------------------------------------------------}

interface

uses
  {vcl:} Classes, TypInfo,
  {RemObjects:} uROClasses, uROClient, uROTypes, uROClientIntf;

const
  { Library ID }
  LibraryUID = '{997272DF-9CE1-42FC-A341-669D18AE18ED}';

  { Service Interface ID's }
  IVariantsService_IID : TGUID = '{509D1C6D-51DF-4269-A160-DB5B5B671874}';

  { Event ID's }

type
  { Forward declarations }
  IVariantsService = interface;

  TVariantArray = class;

  TComplexObject = class;


  { TComplexObject }
  TComplexObject = class(TROComplexType)
  private
    fIntegerId: Integer;
    fVariantValue: Variant;
  public
    procedure Assign(iSource: TPersistent); override;
  published
    property IntegerId:Integer read fIntegerId write fIntegerId;
    property VariantValue:Variant read fVariantValue write fVariantValue;
  end;

  { TComplexObjectCollection }
  TComplexObjectCollection = class(TROCollection)
  protected
    constructor Create(aItemClass: TCollectionItemClass); overload;
    function GetItems(Index: integer): TComplexObject;
    procedure SetItems(Index: integer; const Value: TComplexObject);
  public
    constructor Create; overload;
    function Add: TComplexObject; reintroduce;
    property Items[Index: integer]:TComplexObject read GetItems write SetItems; default;
  end;

  { TVariantArray }
  TVariantArray = class(TROArray)
  private
    fCount: Integer;
    fItems : array of Variant;
  protected
    procedure Grow; virtual;
    function GetItems(Index: integer): Variant;
    procedure SetItems(Index: integer; const Value: Variant);
    function GetCount: integer; override;
  public
    class function GetItemType: PTypeInfo; override;
    class function GetItemSize: integer; override;
    function GetItemRef(Index: integer): pointer; override;
    procedure Clear; override;
    procedure Delete(Index: integer); override;
    procedure Resize(ElementCount: integer); override;

    procedure Assign(iSource:TPersistent); override;
    function Add(const Value:Variant): integer;

    property Count : integer read GetCount;
    property Items[Index: integer]:Variant read GetItems write SetItems; default;
  end;

  { IVariantsService }
  IVariantsService = interface
    ['{509D1C6D-51DF-4269-A160-DB5B5B671874}']
    procedure EchoVariant(const InputVariant: Variant; out OutputVariant: Variant);
    procedure EchoComplexObject(const InComplexObject: TComplexObject; out OutComplexObject: TComplexObject);
    procedure EchoVariantArray(const InArray: TVariantArray; out OutArray: TVariantArray);
  end;

  { CoVariantsService }
  CoVariantsService = class
    class function Create(const aMessage: IROMessage; aTransportChannel: IROTransportChannel): IVariantsService;
  end;

  { TVariantsService_Proxy }
  TVariantsService_Proxy = class(TROProxy, IVariantsService)
  protected
    function __GetInterfaceName:string; override;

    procedure EchoVariant(const InputVariant: Variant; out OutputVariant: Variant);
    procedure EchoComplexObject(const InComplexObject: TComplexObject; out OutComplexObject: TComplexObject);
    procedure EchoVariantArray(const InArray: TVariantArray; out OutArray: TVariantArray);
  end;

implementation

uses
  {vcl:} SysUtils,
  {RemObjects:} uROEventRepository, uRORes;

{ TVariantArray }

procedure TVariantArray.Assign(iSource: TPersistent);
var lSource:TVariantArray;
    i:integer;
begin
  if (iSource is TVariantArray) then begin
    lSource := TVariantArray(iSource);
    Clear();
    Resize(lSource.Count);
    for i := 0 to Count-1 do begin
      Items[i] := lSource.Items[i];
    end;
  end
  else begin
    inherited Assign(iSource);
  end;
end;

class function TVariantArray.GetItemType: PTypeInfo;
begin
  result := TypeInfo(Variant);
end;

class function TVariantArray.GetItemSize: integer;
begin
  result := SizeOf(Variant);
end;

function TVariantArray.GetItems(Index: integer): Variant;
begin
  if (Index < 0) or (Index >= Count) then RaiseError(err_ArrayIndexOutOfBounds,[Index]);
  result := fItems[Index];
end;

function TVariantArray.GetItemRef(Index: integer): pointer;
begin
  if (Index < 0) or (Index >= Count) then RaiseError(err_ArrayIndexOutOfBounds,[Index]);
  result := @fItems[Index];
end;

procedure TVariantArray.Clear;
begin
  SetLength(fItems, 0);
  FCount := 0;
end;

procedure TVariantArray.Delete(Index: integer);
var i: integer;
begin
  if (Index>=Count) then RaiseError(err_InvalidIndex, [Index]);

  if (Index<Count-1) then
    for i := Index to Count-2 do fItems[i] := fItems[i+1];

  SetLength(fItems, Count-1);
  Dec(FCount);
end;

procedure TVariantArray.SetItems(Index: integer; const Value: Variant);
begin
  if (Index < 0) or (Index >= Count) then RaiseError(err_ArrayIndexOutOfBounds,[Index]);
  fItems[Index] := Value;
end;

procedure TVariantArray.Resize(ElementCount: integer);
begin
  SetLength(fItems, ElementCount);
  FCount := ElementCount;
end;

function TVariantArray.GetCount: integer;
begin
  result := FCount;
end;

procedure TVariantArray.Grow;
var
  Delta, Capacity: Integer;
begin
  Capacity := Length(fItems);
  if Capacity > 64 then
    Delta := Capacity div 4
  else
    if Capacity > 8 then
      Delta := 16
   else
      Delta := 4;
  SetLength(fItems, Capacity + Delta);
end;

function TVariantArray.Add(const Value: Variant): integer;
begin
  Result := Count;
  if Length(fItems) = Result then
    Grow;
  fItems[result] := Value;
  Inc(fCount);
end;

{ TComplexObject }

procedure TComplexObject.Assign(iSource: TPersistent); 
var lSource:TComplexObject;
begin
  inherited Assign(iSource);
  if (iSource is TComplexObject) then begin
    lSource := TComplexObject(iSource);
    IntegerId := lSource.IntegerId;
    VariantValue := lSource.VariantValue;
  end;
end;

{ TComplexObjectCollection }
constructor TComplexObjectCollection.Create;
begin
  inherited Create(TComplexObject);
end;

constructor TComplexObjectCollection.Create(aItemClass: TCollectionItemClass);
begin
  inherited Create(aItemClass);
end;

function TComplexObjectCollection.Add: TComplexObject;
begin
  result := TComplexObject(inherited Add);
end;

function TComplexObjectCollection.GetItems(Index: integer): TComplexObject;
begin
  result := TComplexObject(inherited Items[Index]);
end;

procedure TComplexObjectCollection.SetItems(Index: integer; const Value: TComplexObject);
begin
  TComplexObject(inherited Items[Index]).Assign(Value);
end;

{ CoVariantsService }

class function CoVariantsService.Create(const aMessage: IROMessage; aTransportChannel: IROTransportChannel): IVariantsService;
begin
  result := TVariantsService_Proxy.Create(aMessage, aTransportChannel);
end;

{ TVariantsService_Proxy }

function TVariantsService_Proxy.__GetInterfaceName:string;
begin
  result := 'VariantsService';
end;

procedure TVariantsService_Proxy.EchoVariant(const InputVariant: Variant; out OutputVariant: Variant);
begin
  try
    __Message.InitializeRequestMessage(__TransportChannel, 'VariantsLibrary', __InterfaceName, 'EchoVariant');
    __Message.Write('InputVariant', TypeInfo(Variant), InputVariant, []);
    __Message.Finalize;

    __TransportChannel.Dispatch(__Message);

    __Message.Read('OutputVariant', TypeInfo(Variant), OutputVariant, []);
  finally
    __Message.FreeStream;
  end
end;

procedure TVariantsService_Proxy.EchoComplexObject(const InComplexObject: TComplexObject; out OutComplexObject: TComplexObject);
begin
  try
    OutComplexObject := nil;
    __Message.InitializeRequestMessage(__TransportChannel, 'VariantsLibrary', __InterfaceName, 'EchoComplexObject');
    __Message.Write('InComplexObject', TypeInfo(VariantsLibrary_Intf.TComplexObject), InComplexObject, []);
    __Message.Finalize;

    __TransportChannel.Dispatch(__Message);

    __Message.Read('OutComplexObject', TypeInfo(VariantsLibrary_Intf.TComplexObject), OutComplexObject, []);
  finally
    __Message.FreeStream;
  end
end;

procedure TVariantsService_Proxy.EchoVariantArray(const InArray: TVariantArray; out OutArray: TVariantArray);
begin
  try
    OutArray := nil;
    __Message.InitializeRequestMessage(__TransportChannel, 'VariantsLibrary', __InterfaceName, 'EchoVariantArray');
    __Message.Write('InArray', TypeInfo(VariantsLibrary_Intf.TVariantArray), InArray, []);
    __Message.Finalize;

    __TransportChannel.Dispatch(__Message);

    __Message.Read('OutArray', TypeInfo(VariantsLibrary_Intf.TVariantArray), OutArray, []);
  finally
    __Message.FreeStream;
  end
end;

initialization
  RegisterROClass(TComplexObject);
  RegisterROClass(TVariantArray);
  RegisterProxyClass(IVariantsService_IID, TVariantsService_Proxy);


finalization
  UnregisterROClass(TComplexObject);
  UnregisterROClass(TVariantArray);
  UnregisterProxyClass(IVariantsService_IID);

end.