// TODO this should be a one liner
public boolean inValidState(LightweightCollection<VisualItem> currentVisualItems) {
return !errorsInModel()
&& configuration.getResolver(slot) != null
&& isAllowableResolver(configuration.getResolver(slot), currentVisualItems);
}
private void assertCurrentResolverIsManaged() {
assert !configuration.isConfigured(slot)
|| configuration.getResolver(slot) instanceof ManagedVisualItemValueResolver
: "resolver for " + slot + " must be managed";
}
/** @return The current @link{VisualItemValueResolver} */
public ManagedVisualItemValueResolver getCurrentResolver() {
assertCurrentResolverIsManaged();
return (ManagedVisualItemValueResolver) configuration.getResolver(slot);
}