id = ((ProjectData) ho).getId();
id = ((CategoryGroupData) ho).getId();
    void fireContainerLoading()    {        if (selectedDisplay == null) return;        Object ho = selectedDisplay.getUserObject();        int id = -1;        Class nodeType = null;        if (ho instanceof ProjectData) {            id = ((ProjectData) ho).getId();            nodeType = ProjectData.class;        } else if (ho instanceof CategoryGroupData) {            id = ((ProjectData) ho).getId();            nodeType = CategoryGroupData.class;        }        if (nodeType != null) {            currentLoader = new ContainerLoader(component, nodeType, id);            currentLoader.load();            state = Browser.LOADING_DATA;        }    }