Resource view = graph.getPossibleObject(configuration, SEL.VariableTabContribution_HasView);
if(view == null) throw new DatabaseException("No view for " + graph.getPossibleURI(configuration));
Resource view = graph.getPossibleObject(configuration, SEL.VariableTabContribution_HasView);
if(view == null) throw new DatabaseException("No view for " + graph.getPossibleURI(configuration));