}
public void updateWorkflowNodeOutput(WorkflowInstanceNode node, String data) {
webResource = getProvenanceRegistryBaseResource().path(
ResourcePathConstants.ProvenanceResourcePathConstants.UPDATE_WORKFLOWNODEOUTPUT);
MultivaluedMap formParams = new MultivaluedMapImpl();
formParams.add("nodeID", node.getNodeId());
formParams.add("workflowInstanceId", node.getWorkflowInstance().getWorkflowExecutionId());
formParams.add("data", data);
builder = BasicAuthHeaderUtil.getBuilder(
webResource, null, userName, null, cookie, gateway);
ClientResponse response = builder.accept(
MediaType.TEXT_PLAIN).post(ClientResponse.class, formParams);