Resource composite = graph.getPossibleObject(diagram, ModelingResources.getInstance(graph).DiagramToComposite);
if (composite != null) {
variable = Variables.getPossibleVariable(graph, composite);
Resource composite = graph.getPossibleObject(diagram, ModelingResources.getInstance(graph).DiagramToComposite);
if (composite != null) {
variable = Variables.getPossibleVariable(graph, composite);