// XmlElement modifiedTimeElement = graphElement.addElement(
// XgraphSchema.NS, "modifiedTime");
// modifiedTimeElement.addChild(new GregorianCalendar().toString());
// Graph
workflowElement.addElement(this.graph.toXML());
// WSDLs
XmlElement wsdlsElement = workflowElement.addElement(NS_XWF, WSDLS_TAG);
for (String id : wsdls.keySet()) {
WsdlDefinitions wsdl = wsdls.get(id);