SimpleGMF

SimpleGMF is a metamodel for the abstraction of GMF diagrams. At some point in the future I will write up about this approach.

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java.lang.ClassCastException: org.eclipse.gmf.gmfgraph.impl.NodeImpl cannot be cast to org.eclipse.gmf.gmfgraph.Connection

An Edge is erroneously being generated as a Node in the .gmfgraph. Make sure that the GMFConfiguration > edgeTypes reference is set correctly.