+ * Returns whether the given ID is the ID of a local Sone.
+ *
+ * @param id
+ * The Sone ID to check for its locality
+ * @return {@code true} if the given ID is a local Sone, {@code false}
+ * otherwise
+ */
+ public boolean isLocalSone(String id) {
+ synchronized (localSones) {
+ return localSones.containsKey(id);
+ }
+ }
+
+ /**