protected void bind(Object source, Object targetValue) {
DataBinder binder = new DataBinder(source);
binder.bind(
new MutablePropertyValues(Collections.singletonMap(change.getPropertyName(), targetValue)));
if (binder.getBindingResult().hasErrors()) {
throw new StudyCalendarSystemException(
"Unable to update property value", new BindException(binder.getBindingResult()));
}
}
public void revert(Changeable target) {
bind(target, getAssignableValue(change.getOldValue()));
}
public void apply(Changeable source) {
bind(source, getAssignableValue(change.getNewValue()));
}