urdmftdbdemoserver.pas

来自「就是这本书的随书代码。包括《实战Delphi 5.x-分布式多层应用系统篇》」· PAS 代码 · 共 56 行

unit urdmFTDBDemoServer;

interface

uses
  Windows, Messages, SysUtils, Classes, ComServ, ComObj, VCLCom, DataBkr,
  DBClient, PFTDBDemoServer_TLB, StdVcl, Provider, Db, DBTables;

type
  TFTDBServer = class(TRemoteDataModule, IFTDBServer)
    Session1: TSession;
    Database1: TDatabase;
    qurySampleTBL: TQuery;
    dspSamplTBL: TDataSetProvider;
    procedure dspSamplTBLUpdateData(Sender: TObject;
      DataSet: TClientDataSet);
  private
    { Private declarations }
  protected
    class procedure UpdateRegistry(Register: Boolean; const ClassID, ProgID: string); override;
  public
    { Public declarations }
  end;

implementation

uses fFTDBDemoServerMain;

{$R *.DFM}

class procedure TFTDBServer.UpdateRegistry(Register: Boolean; const ClassID, ProgID: string);
begin
  if Register then
  begin
    inherited UpdateRegistry(Register, ClassID, ProgID);
    EnableSocketTransport(ClassID);
    EnableWebTransport(ClassID);
  end else
  begin
    DisableSocketTransport(ClassID);
    DisableWebTransport(ClassID);
    inherited UpdateRegistry(Register, ClassID, ProgID);
  end;
end;

procedure TFTDBServer.dspSamplTBLUpdateData(Sender: TObject;
  DataSet: TClientDataSet);
begin
  frmFTDBMain.ClientDataSet1.Data := DataSet.Data;  
end;

initialization
  TComponentFactory.Create(ComServer, TFTDBServer,
    Class_FTDBServer, ciMultiInstance, tmApartment);
end.