Component adderComp = this.componentRegistry.getComponent(Adder.WSDL_PATH);
Node adderNode = workflow.addNode(adderComp);
adderNode.setPosition(new Point(250, 100));
// Input parameter node 1
InputNode paramNode1 = (InputNode) workflow.addNode(this.inputComponent);
paramNode1.setPosition(new Point(50, 50));
// Input parameter node 2
InputNode paramNode2 = (InputNode) workflow.addNode(this.inputComponent);
paramNode2.setPosition(new Point(50, 120));