-- File:	GraphTools_SC.cdl
-- Created:	Thu Sep 30 15:41:02 1993
-- Author:	Denis PASCAL
--		<dp@bravox>
---Copyright:	 Matra Datavision 1993


class SC from GraphTools inherits TShared from MMgt

    ---Purpose: This  class is used  to  identify a  Strong Component.
    --          The user has not to used its methods.

uses SCList            from GraphTools,
     SequenceOfInteger from TColStd

raises OutOfRange   from Standard,
       NoSuchObject from Standard
    
is

    Create returns mutable SC;
	
    Reset (me : mutable);
    ---Level: Public

    AddVertex (me : mutable; V : Integer from Standard); 
    ---Level: Public

    NbVertices (me) returns Integer from Standard;
    ---Level: Public

    GetVertex (me; index: Integer from Standard) 
    ---Level: Public
    returns Integer from Standard;
	
    AddFrontSC (me : mutable; SC : SC from GraphTools);
    ---Level: Public
 
    GetFrontSC (me) returns SCList from GraphTools;
    ---Level: Public
    ---C++: return const & 	
	
    AddBackSC (me : mutable; SC : SC from GraphTools);
    ---Level: Public

    GetBackSC (me) returns SCList from GraphTools;
    ---Level: Public
    ---C++: return const & 	

fields
	
    myBackSC   : SCList            from GraphTools;
    myVertices : SequenceOfInteger from TColStd;
    myFrontSC  : SCList            from GraphTools;

end SC;