Component adderComp = this.componentRegistry.getComponent(Adder.WSDL_PATH);
Node adderNode = workflow.addNode(adderComp);
adderNode.setPosition(new Point(250, 100));
// Input parameter node
InputNode inputNode = (InputNode) workflow.addNode(this.inputComponent);
inputNode.setPosition(new Point(50, 50));
// Constant node
ConstantNode constantNode = (ConstantNode) workflow.addNode(this.constantComponent);
constantNode.setPosition(new Point(50, 120));