put UUID in bytebuffer
public class UuidUtils {
public static UUID asUuid(byte[] bytes) {
ByteBuffer bb = ByteBuffer.wrap(bytes);
long firstLong = bb.getLong();
long secondLong = bb.getLong();
return new UUID(firstLong, secondLong);
}
public static byte[] asBytes(UUID uuid) {
ByteBuffer bb = ByteBuffer.wrap(new byte[16]);
bb.putLong(uuid.getMostSignificantBits());
bb.putLong(uuid.getLeastSignificantBits());
return bb.array();
}
}