new CalculationResolver(BenchmarkResourceSetFactory.NUMBER_1,
new SumCalculation()));
scatterPlot.setResolver(ScatterPlot.SIZE, new FixedValueResolver(20,
DataType.NUMBER));
scatterPlot.setResolver(ScatterPlot.SHAPE,
new AbstractBasicVisualItemValueResolver() {
public Object resolve(VisualItem visualItem,
VisualItemValueResolverContext context) {
// assuming 1 resource per visualItem
Resource resource = visualItem.getResources()