default <T> T withLock(Object lock, Supplier<T> supplier) { Lock l = lock(lock); T t = supplier.get(); l.unlock(); return t; } }
@Test(timeOut = 2000) @SneakyThrows public void waiting() { Lock lock = lockProvider.lock("test"); CompletableFuture<Lock> future = new CompletableFuture<>(); new Thread() { @Override public void run() { Lock lock1 = lockProvider.lock("test"); future.complete(lock1); } }.start(); try { future.get(1, TimeUnit.SECONDS); fail("Lock wasn't locked"); return; } catch (InterruptedException | ExecutionException e) { e.printStackTrace(); } catch (TimeoutException e) { } lock.unlock(); future.join(); assertTrue(future.isDone() && !future.isCancelled()); future.get().unlock(); }
stream.onClose(resultSet::close); acc = Stream.concat(acc, stream); lock.unlock(); return acc;