[Openjgraph-development] Vertex - changing from a class to an interface

[Jesus M. S. Jr. <jm...@ih...>]

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On the next release, changes will be made so that Vertex will be an interface 
instead of a class. 

The reason is that developers may already have existing class(es) that they 
want to use as a Vertex. With the current implementation, a Vertex instance 
would have to be created for every other instance of the class the developer 
will wrap to ( via the Vertex.setObject() method ). Take 10,000 instances of 
these classes, and you would also need 10,000 instances of Vertex.

The current Vertex class will be called VertexImpl ( also a class ), while 
the new Vertex will be an interface.

John
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