public ListenableFuture clear()

in simplestore/src/main/java/com/uber/simplestore/impl/SimpleStoreImpl.java [172:197]

• 24 lines of code
• 6 McCabe index (conditional complexity)

  public ListenableFuture<Void> clear() {
    requireOpen();
    return Futures.submitAsync(
        () -> {
          Exception isDead = isDead();
          if (isDead != null) {
            return Futures.immediateFailedFuture(isDead);
          }
          try {
            File[] files = Objects.requireNonNull(namespacedDirectory).listFiles(File::isFile);
            if (files != null && files.length > 0) {
              for (File f : files) {
                //noinspection ResultOfMethodCallIgnored
                f.delete();
              }
            }
            //noinspection ResultOfMethodCallIgnored
            namespacedDirectory.delete();
            cache.clear();
          } catch (Exception e) {
            return Futures.immediateFailedFuture(e);
          }
          return Futures.immediateFuture(null);
        },
        orderedIoExecutor);
  }