((FirstResourcePropertyResolver) resolver)
.getProperty());
} else if (resolver instanceof CalculationResolver) {
child.setValue(MEMENTO_KEY_TYPE, MEMENTO_VALUE_CALCULATION);
Calculation calculation = ((CalculationResolver) resolver)
.getCalculation();
child.setValue(MEMENTO_KEY_PROPERTY,
((CalculationResolver) resolver).getProperty());
if (calculation instanceof SumCalculation) {