david
6e94dc6e4d
git-svn-id: https://192.168.0.254/svn/Proyectos.Tecsitel_FactuGES2/trunk@481 0c75b7a4-871f-7646-8a2f-f78d34cc349f
102 lines
2.9 KiB
ObjectPascal
102 lines
2.9 KiB
ObjectPascal
unit uBizArticulosServer;
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interface
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uses
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uDAInterfaces, uDADelta, uDABusinessProcessor,
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schArticulosServer_Intf;
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const
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BIZ_SERVER_ARTICULOS = 'Server.Articulos';
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type
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TBizArticulosServer = class(TArticulosBusinessProcessorRules)
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private
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FReferenciaAutomatica : Boolean;
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function DarReferencia : String;
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function IncrementarReferencia : Boolean;
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protected
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procedure BeforeProcessDelta(Sender: TDABusinessProcessor; const aDelta: IDADelta); override;
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procedure AfterProcessChange(Sender: TDABusinessProcessor; aChange: TDADeltaChange; Processed: Boolean;
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var CanRemoveFromDelta: Boolean); override;
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end;
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implementation
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uses
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Variants, uDAClasses, FactuGES_Intf, uROServer, SysUtils, uBusinessUtils, uROClasses,
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uDataModuleServer, schArticulosClient_Intf;
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const
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REF_ARTICULOS = 'REF_ARTICULOS';
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{ TBizArticulosServer }
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procedure TBizArticulosServer.AfterProcessChange(
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Sender: TDABusinessProcessor; aChange: TDADeltaChange; Processed: Boolean;
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var CanRemoveFromDelta: Boolean);
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begin
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inherited;
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{ Por defecto, mantenemos los deltas por si alguna tabla hija los necesita }
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CanRemoveFromDelta := False;
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case aChange.ChangeType of
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ctInsert, ctUpdate: begin
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if FReferenciaAutomatica then
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begin
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IncrementarReferencia;
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FReferenciaAutomatica := False;
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end;
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end;
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end;
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end;
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procedure TBizArticulosServer.BeforeProcessDelta(
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Sender: TDABusinessProcessor; const aDelta: IDADelta);
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begin
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FReferenciaAutomatica := False;
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case Sender.CurrentChange.ChangeType of
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ctInsert, ctUpdate: begin
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//Si la referencia no ha sido asignada le asignamos una nosotros
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if REFERENCIAIsNull or (Length(REFERENCIA) = 0) then
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begin
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FReferenciaAutomatica := True;
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REFERENCIA := DarReferencia;
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end;
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end;
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end;
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end;
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function TBizArticulosServer.DarReferencia: String;
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var
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AReferenciasService : IsrvReferencias;
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Intf : IInterface;
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AClientID : TGUID;
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begin
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CreateGUID(AClientID);
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GetClassFactory('srvReferencias').CreateInstance(AClientID, Intf);
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AReferenciasService := Intf as IsrvReferencias;
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Result := AReferenciasService.DarNuevaReferencia(REF_ARTICULOS, -1)
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end;
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function TBizArticulosServer.IncrementarReferencia: Boolean;
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var
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AReferenciasService : IsrvReferencias;
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Intf : IInterface;
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AClientID : TGUID;
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begin
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CreateGUID(AClientID);
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GetClassFactory('srvReferencias').CreateInstance(AClientID, Intf);
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AReferenciasService := Intf as IsrvReferencias;
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Result := AReferenciasService.IncrementarValorReferencia(REF_ARTICULOS, Self.REFERENCIA, -1)
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end;
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initialization
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RegisterBusinessProcessorRules(BIZ_SERVER_ARTICULOS, TBizArticulosServer);
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end.
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