+
+ /**
+ * Returns all Mapping informations for a given ordm device.
+ * This method returns all Mapping informations already stored in the MD-SAL
+ * data store for a given openroadm device. Beyound the list of mappings, it
+ * gives access to general node information as its version or its node type,
+ * etc.
+ *
+ * @param nodeId
+ * Unique Identifier for the node of interest.
+ *
+ * @return node data if success otherwise null.
+ */
+ Nodes getNode(String nodeId);