private static final Logger LOG = Logger.getLogger(ArticleProvider.class.getName());
private final Map<Category, List<Article>> articlesByCategory = new HashMap<>();
private final ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(2);
private static final Logger LOG = Logger.getLogger(ArticleProvider.class.getName());
private final Map<Category, List<Article>> articlesByCategory = new HashMap<>();
private final ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(2);