Re: Directed Acyclic Graph implementation

Hi Jens,

Thanks a lot.
That worked - infact, I had already extracted the classes I needed into my own project, instead of building with the external jgrapht lib. So i didn't really have to go the super-source version.
However, your response prompted me to look up what exactly is super-source and hence learnt something new.



On Thursday, September 12, 2013 6:06:36 PM UTC-4, Jens wrote:

Seems like the GitHub search is not correct.

I don't have the source checked out so I can't do reference searches, but it seems like that ClassBasedEdgeFactory is used by all the different Graph types if you provide a class for the edge in a constructor. But these Graph classes all have a second constructor taking an EdgeFactory. So you could create a super source version of ClassBasedEdgeFactory that just returns null and never use the class based constructors.

In your GWT code you would then use something like

new SimpleGraph<String, DefaultEdge>(new EdgeFactory<DefaultEdge>() {

  DefaultEdge createEdge(String source, String target) {

     return new DefaultEdge(); 

   }

}

-- J.

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