// Graph
XmlElement graphElement = workflowElement.element(GraphSchema.GRAPH_TAG);
this.graph = WSGraphFactory.createGraph(graphElement);
WsdlDefinitions wsdl = null;
XmlElement wsdlsElement = workflowElement.element(WSDLS_TAG);
for (XmlElement wsdlElement : wsdlsElement.elements(null, WSDL_TAG)) {
String wsdlText = wsdlElement.requiredText();
try {
wsdl = WSDLUtil.stringToWSDL(wsdlText);
} catch (UtilsException e) {
logger.error(e.getMessage(), e);