if (flowpartClass.isAnnotationPresent(FlowPart.class) == false) {
throw new IllegalArgumentException(MessageFormat.format(
"The \"flowpartClass\" must be a flow-part: {0}",
flowpartClass.getName()));
}
TraceSetting setting = createTraceSetting(
flowpartClass, FLOW_OPERATOR_FACTORY_METHOD_NAME,
PortKind.OUTPUT, portName,
Collections.<String, String>emptyMap());
appendTrace(setting);
}