- public static NodeId toNodeId(final InstanceIdentifier<? extends Object> node) {
- Preconditions.<InstanceIdentifier<? extends Object>>checkNotNull(node);
- List<PathArgument> path = node.getPath();
- Preconditions.<List<PathArgument>>checkNotNull(path);
- int size = path.size();
- Preconditions.checkArgument(size >= 2);
- final PathArgument arg = path.get(1);
- final IdentifiableItem item = Arguments.<IdentifiableItem>checkInstanceOf(arg, IdentifiableItem.class);
- Identifier<?> key = item.getKey();
- final NodeKey nodeKey = Arguments.<NodeKey>checkInstanceOf(key, NodeKey.class);
- return nodeKey.getId();
+ public static NodeId toNodeId(final InstanceIdentifier<?> id) {
+ final NodeKey key = id.firstKeyOf(Node.class, NodeKey.class);
+ Preconditions.checkArgument(key != null, "No node identifier found in %s", id);
+ return key.getId();