protected void _makeSceneGraphConnection() throws IllegalActionException {
int width = sceneGraphIn.getWidth();
for (int i = 0; i < width; i++) {
if (sceneGraphIn.hasToken(i)) {
SceneGraphToken nodeToken = (SceneGraphToken) sceneGraphIn
.get(i);
Node node = nodeToken.getSceneGraphNode();
_addChild(node);
}
}
sceneGraphOut.send(0, new SceneGraphToken(_getNodeObject()));
}