List<Node> nodesCollection = nodesDataNode.get().getNode();
if (nodesCollection != null && !nodesCollection.isEmpty()) {
for (Node node : nodesCollection) {
LOG.info("Switch with ID {} discovered !!", node.getId().getValue());
nodeIds.add(node.getId().getValue());
}
List<Node> nodesCollection = nodesDataNode.get().getNode();
if (nodesCollection != null && !nodesCollection.isEmpty()) {
for (Node node : nodesCollection) {
LOG.info("Switch with ID {} discovered !!", node.getId().getValue());
nodeIds.add(node.getId().getValue());
}