src/MDataStd/MDataStd_VariableRetrievalDriver.cdl


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-- File:	MDataStd_VariableRetrievalDriver.cdl
-- Created:	Wed Apr  9 16:55:12 1997
-- Author:	PASCAL Denis
---Copyright:	 Matra Datavision 1997


class VariableRetrievalDriver from MDataStd  inherits ARDriver from MDF

	---Purpose: 

uses RRelocationTable from MDF,
     Attribute        from PDF,
     Attribute        from TDF, 
     MessageDriver    from CDM

is


    Create(theMessageDriver : MessageDriver from CDM)   -- Version 0
    returns mutable VariableRetrievalDriver from MDataStd;
    

    VersionNumber(me) returns Integer from Standard;
	---Purpose: Returns the version number from which the driver
	--          is available: 0.

    SourceType(me) returns Type from Standard;
	---Purpose: Returns the type: Variable from PDataStd.

    NewEmpty (me)  returns mutable Attribute from TDF;


    Paste(me; Source     :         Attribute from PDF;
    	      Target     : mutable Attribute from TDF;
    	      RelocTable : RRelocationTable  from MDF);

end VariableRetrievalDriver;