literal.connectOutput("output", 0, node1.getInput("input", 0));
ProcessingElementNode node2 = new ProcessingElementNode("2");
node2.addAnnotation(AnnotationKeys.LOCATION, mLocation);
node2.connectOutput("output", 0, node1.getInput("control", 0));
ProcessingElementNode node3 = new ProcessingElementNode("3");
node3.addAnnotation(AnnotationKeys.LOCATION, mLocation);
node3.connectInput("input", 0, literal.getOutput());
ProcessingElementNode node4 = new ProcessingElementNode("4");
node4.addAnnotation(AnnotationKeys.LOCATION, mLocation);
node4.connectOutput("output", 0, node3.getInput("control", 0));
Graph graph = new Graph();