builder.getWorkflowMonitoringContext().setServiceInstanceId(this.nodeID);
builder.getWorkflowMonitoringContext().setWorkflowTimeStep(1);
builder.setUserIdentifier("xbaya-user");
//todo write a UI component to collect this information and pass it through Header
// builder.setGridMyProxyRepository("myproxy.nersc.gov","$user","$passwd",14000);
StickySoapHeaderHandler handler = new StickySoapHeaderHandler("use-workflowcontext-header", builder.getXml());
// Create Invoker
this.invoker = InvokerFactory.createInvoker(this.portTypeQName, definitions, this.gfacURL, this.messageBoxURL,
builder, true);
this.invoker.setup();