gistfile1.txt

public RuleSetNode ruleUnitNode(long id, String name, Function function, NodeContainer nodeContainer) {
        RuleSetNode ruleSetNode = new RuleSetNode();
        ruleSetNode.setId(id);
        ruleSetNode.setName(name);
        //ruleSetNode.setLanguage(RuleSetNode.DRL_LANG);

        if (ServerlessWorkflowUtils.resolveFunctionMetadata(function, RF_GROUP, workflowAppContext).length() > 0) {
            ruleSetNode.setRuleType(RuleSetNode.RuleType.of(ServerlessWorkflowUtils.resolveFunctionMetadata(function, RF_GROUP, workflowAppContext),
                    RuleSetNode.DRL_LANG));
        } else {
            LOGGER.error("unable to set rule unit");
        }

        ruleSetNode.addInMapping(DEFAULT_WORKFLOW_VAR, DEFAULT_WORKFLOW_VAR);
        ruleSetNode.addOutMapping(DEFAULT_WORKFLOW_VAR, DEFAULT_WORKFLOW_VAR);

        nodeContainer.addNode(ruleSetNode);

        return ruleSetNode;
    }