InputNode inputNode3 = (InputNode) workflow
.addNode(this.inputComponent);
inputNode3.setPosition(new Point(20, 170));
// Output
OutputNode outputNode = (OutputNode) workflow
.addNode(this.outputComponent);
outputNode.setPosition(new Point(500, 130));
// Connect ports
graph.addEdge(inputNode1.getOutputPort(0), adderNode1.getInputPort(0));