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-- File: GraphTools_GraphIterator.cdl
-- Created: Wed Mar 6 18:20:11 1991
-- Author: Denis Pascal
-- <dp@topsn3>
---Copyright: Matra Datavision 1991, 1992
generic class GraphIterator from GraphTools (Graph as any;
Vertex as any)
-- template class GraphIterator from GraphTools (Graph as any;
-- Vertex as any)
---Purpose: Template class which defines signatures of an
-- iterator to visit each vertex, member of the
-- underlying graph.
raises NoMoreObject from Standard,
NoSuchObject from Standard
is
Create (G : Graph) returns GraphIterator;
More (me) returns Boolean;
---Purpose: Returns TRUE if there are other vertices.
---Level: Public
Next (me : in out)
--- Purpose : Set the iterator to the next Vertex.
---Level: Public
raises NoMoreObject from Standard;
Value (me) returns Vertex
--- Purpose: Returns the vertex value for the current position
-- of the iterator
---Level: Public
raises NoSuchObject from Standard;
end GraphIterator;
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