- setNodeIdSupplier(() -> {
- byte[] hardwareAddress = getHardwareAddress();
- byte[] macAddressNodeId = toNodeIdBytes(hardwareAddress, 0);
- long nodeIdBase = NodeIdSupplier.toNodeIdBase(macAddressNodeId);
- return nodeIdBase;
- });
+ this(0);
+ }
+
+ public MacAddressUuidFactory(long initialClockRange) {
+ super(initialClockRange, localHardwareAddressAsNodeId());
+ }
+
+ public static byte[] localHardwareAddressAsNodeId() {
+ InetAddress localHost;
+ try {
+ localHost = InetAddress.getLocalHost();
+ NetworkInterface nic = NetworkInterface.getByInetAddress(localHost);
+ return hardwareAddressToNodeId(nic);
+ } catch (UnknownHostException | SocketException e) {
+ throw new IllegalStateException(e);
+ }
+
+ }
+
+ public static byte[] hardwareAddressToNodeId(NetworkInterface nic) throws SocketException {
+ byte[] hardwareAddress = nic.getHardwareAddress();
+ final int length = 6;
+ byte[] arr = new byte[length];
+ for (int i = 0; i < length; i++) {
+ arr[i] = hardwareAddress[length - 1 - i];
+ }
+ return arr;