Por defecto, mantenemos los deltas por si alguna tabla hija los necesita. Se hace así:
CanRemoveFromDelta := False;
git-svn-id: https://192.168.0.254/svn/Proyectos.Tecsitel_FactuGES2/trunk@177 0c75b7a4-871f-7646-8a2f-f78d34cc349f
100 lines
2.7 KiB
ObjectPascal
100 lines
2.7 KiB
ObjectPascal
unit uBizRemesasProveedorServer;
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interface
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uses
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uDAInterfaces, uDADelta, uDABusinessProcessor,
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schRemesasProveedorServer_Intf;
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const
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BIZ_SERVER_REMESAS_Proveedor = 'Server.RemesasProveedor';
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type
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TBizRemesasProveedorServer = class(TRemesasProveedorBusinessProcessorRules)
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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;
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const aDelta: IDADelta); override;
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procedure AfterProcessChange(Sender: TDABusinessProcessor;
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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, uReferenciasUtils, uBusinessUtils, uROClasses, uDataModuleServer,
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schRemesasProveedorClient_Intf, srvReferencias_Impl;
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const
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REF_REMESAS_PROVEEDOR = 'REF_REMESAS_PROVEEDOR';
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{ TBizRemesasProveedorServer }
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procedure TBizRemesasProveedorServer.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 TBizRemesasProveedorServer.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 TBizRemesasProveedorServer.DarReferencia: String;
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begin
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with TsrvReferencias.Create(NIL) do
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try
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Result := DarNuevaReferencia(REF_REMESAS_PROVEEDOR, ID_EMPRESA)
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finally
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Free;
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end;
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end;
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function TBizRemesasProveedorServer.IncrementarReferencia: Boolean;
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begin
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with TsrvReferencias.Create(NIL) do
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try
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Result := IncrementarValorReferencia(REF_REMESAS_PROVEEDOR,
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Self.REFERENCIA, ID_EMPRESA)
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finally
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Free;
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end;
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end;
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initialization
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RegisterBusinessProcessorRules(BIZ_SERVER_REMESAS_Proveedor, TBizRemesasProveedorServer);
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end.
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