unit CalcFieldsService_Impl;

{----------------------------------------------------------------------------}
{ This unit was automatically generated by the RemObjects SDK after reading  }
{ the RODL file associated with this project .                               }
{                                                                            }
{ This is where you are supposed to code the implementation of your objects. }
{----------------------------------------------------------------------------}

interface

uses
  {vcl:} Classes, SysUtils,
  {RemObjects:} uROClientIntf, uROTypes, uROServer, uROServerIntf, uROSessions,
  {Ancestor Implementation:} DataAbstractService_Impl,
  {Used RODLs:} DataAbstract4_Intf,
  {Generated:} CalcFieldsLibrary_Intf, uDAScriptingProvider,
  uDABusinessProcessor, uDAInterfaces, uDAClasses, uDADataStreamer, 
  uDABin2DataStreamer;

const
  { Dataset names for Schema }
  ds_Customers = 'Customers';

type
  { TCalcFieldsService }
  TCalcFieldsService = class(TDataAbstractService, ICalcFieldsService)
    DataStreamer: TDABin2DataStreamer;
    Schema: TDASchema;
    DataDictionary: TDADataDictionary;
    bpCustomers: TDABusinessProcessor;
    procedure DataStreamerWriteFieldValue(const aField: TDAField;
      var Value: Variant);
    procedure DataAbstractServiceCreate(Sender: TObject);
  private
    fNextCalcValue: Integer;
  protected
    { ICalcFieldsService methods }
    function GetServiceVersion: string;
  end;

implementation

{$R *.dfm}
uses
  {Generated:} CalcFieldsLibrary_Invk, CalcFields_ServerData;

procedure Create_CalcFieldsService(out anInstance: IUnknown);
begin
  anInstance := TCalcFieldsService.Create(nil);
end;

{ CalcFieldsService }

function TCalcFieldsService.GetServiceVersion: string;
begin
end;

procedure TCalcFieldsService.DataStreamerWriteFieldValue(
  const aField: TDAField; var Value: Variant);
begin
  if (aField.Name = 'ServerCalculated') then begin
    Value := fNextCalcValue;
    Inc(fNextCalcValue);
  end;
end;

procedure TCalcFieldsService.DataAbstractServiceCreate(Sender: TObject);
begin
  inherited;
  fNextCalcValue := 100;
end;

initialization
  TROClassFactory.Create('CalcFieldsService', Create_CalcFieldsService, TCalcFieldsService_Invoker);

finalization

end.