private CanonicalProcessType buildCPF() {
    CanonicalProcessType cpf = new CanonicalProcessType();

    NetType net = new NetType();

    EventType event = new EventType();
    event.setId("1");
    event.setOriginalID("1");
    event.setName("event");

    TaskType task = new TaskType();
    task.setId("2");
    task.setOriginalID("2");
    task.setName("task");

    EdgeType edge = new EdgeType();
    edge.setId("3");
    edge.setOriginalID("3");
    edge.setSourceId("1");
    edge.setTargetId("2");

    net.getNode().add(event);
    net.getNode().add(task);
    net.getEdge().add(edge);
    cpf.getNet().add(net);

    return cpf;
  }