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-- File: Interface_HGraph.cdl
-- Created: Thu Apr 22 18:40:22 1993
-- Author: Christian CAILLET
-- <cky@bravox>
---Copyright: Matra Datavision 1993
class HGraph from Interface inherits TShared
---Purpose : This class allows to store a redefinable Graph, via a Handle
-- (usefull for an Object which can work on several successive
-- Models, with the same general conditions)
uses Graph, InterfaceModel, GeneralLib, Protocol, GTool
raises DomainError
is
Create (agraph : Graph) returns mutable HGraph;
---Purpose : Creates an HGraph directly from a Graph.
-- Remark that the starting Graph is duplicated
Create (amodel : InterfaceModel; lib : GeneralLib) returns mutable HGraph;
---Purpose : Creates an HGraph with a Graph created from <amodel> and <lib>
Create (amodel : InterfaceModel; protocol : Protocol from Interface)
returns mutable HGraph;
---Purpose : Creates an HGraph with a graph itself created from <amodel>
-- and <protocol>
Create (amodel : InterfaceModel; gtool : GTool from Interface)
returns mutable HGraph;
---Purpose : Creates an HGraph with a graph itself created from <amodel>
-- and <protocol>
Create (amodel : InterfaceModel) returns mutable HGraph
---Purpose : Same a above, but works with the GTool in the model
raises DomainError;
-- Error if no Active Protocol is defined
Graph (me) returns Graph;
---Purpose : Returns the Graph contained in <me>, for Read Only Operations
-- Remark that it is returns as "const &"
-- Getting it in a new variable instead of a reference would be
-- a pitty, because all the graph's content would be duplicated
---C++ : return const &
CGraph (me : mutable) returns Graph;
---Purpose : Same as above, but for Read-Write Operations
-- Then, The Graph will be modified in the HGraph itself
---C++ : return &
fields
thegraph : Graph;
end HGraph;
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