private void modifyWorkflow(Workflow workflow) throws ComponentException,
ComponentRegistryException, GraphException {
WSGraph graph = workflow.getGraph();
OutputComponent outputComponent = new OutputComponent();
LocalComponentRegistry registry = new LocalComponentRegistry(
XBayaPathConstants.WSDL_DIRECTORY);
Component adderComponent = registry.getComponent(Adder.WSDL_PATH);
Component multiplierComponent = registry
.getComponent(Multiplier.WSDL_PATH);