-- File:	MDocStd_DocumentRetrievalDriver.cdl
-- Created:	Thu Apr 15 13:46:52 1999
-- Author:	Denis PASCAL
--		<dp@dingox.paris1.matra-dtv.fr>
---Copyright:	 Matra Datavision 1999


class DocumentRetrievalDriver from MDocStd inherits RetrievalDriver from PCDM

	---Purpose: retrieval driver of a standard document

uses Document         from TDocStd,
     Document         from PDocStd,  
     RRelocationTable from MDF,
     Document         from PCDM, 
     Document         from CDM,  
     MessageDriver    from CDM,
     ExtendedString   from TCollection,
     ARDriverTable    from MDF

is


    Create
    returns mutable DocumentRetrievalDriver from MDocStd;    

    Paste (me : mutable; PDOC   : Document from PDocStd;
                         TDOC   : Document from TDocStd;
			 aReloc : RRelocationTable from MDF);
    
    ---Purpose: deferred methods of RetrievalDriver from PCDM
    --          =============================================

    Make (me : mutable; aPCDM: Document from PCDM; aCDM : mutable Document from CDM); 

    ---Purpose: virtual methods (may be redefined by specialized application)
    --          =============================================================

    SchemaName(me) returns ExtendedString from  TCollection
    is virtual;

    CreateDocument (me: mutable) returns Document from CDM  
    ---Purpose: returns an empty TDocStd_Document. may be redefined;
    is virtual;
    
    AttributeDrivers(me : mutable; theMessageDriver : MessageDriver from CDM) 
    returns ARDriverTable from MDF
    is virtual;
    
fields

    myDrivers : ARDriverTable  from MDF;

end DocumentRetrievalDriver;