metadata.append(arg.getName());
metadata.append(PARAMETER_SEPERATOR);
String defaultValue = NULL_VALUE;
if (arg.getInitialization() != null) {
if (arg.getInitialization() instanceof Literal) {
Literal scalar = (Literal) arg.getInitialization();
defaultValue = scalar.getValue();
} else {
defaultValue = DEFAULT_VALUE;
}
}
metadata.append(defaultValue);