private static final Logger log = LoggerFactory.getLogger(SimpleCircuitBreaker.class);

    /**
     * Circuit breaker states
     */
    public enum State {
        CLOSED, // Normal operation
        OPEN, // Failing, requests blocked
        HALF_OPEN // Testing recovery
    }

    private final String name;
    private final AtomicReference<State> state = new AtomicReference<>(State.CLOSED);

        assertDoesNotThrow(() -> {
            try {
                emptyIterator.close();
            } catch (CIFSException e) {
                throw new RuntimeException(e);
            }
        }, "close operation");
        assertFalse(emptyIterator.hasNext(), "hasNext after close");
        assertNull(emptyIterator.next(), "next after close");

        // Then - verify final state

{* ../../docs_src/stream_data/tutorial001_py310.py ln[1:23] hl[20,23] *}

FastAPI는 각 데이터 청크를 있는 그대로 `StreamingResponse`에 전달하며, JSON 등으로 변환하려고 하지 않습니다.

### async가 아닌 경로 처리 함수 { #non-async-path-operation-functions }

`async`가 없는 일반 `def` 함수에서도 동일하게 `yield`를 사용할 수 있습니다.

{* ../../docs_src/stream_data/tutorial001_py310.py ln[26:29] hl[27] *}

### 타입 애너테이션 생략하기 { #no-annotation }

	cycleInfoMu sync.Mutex
	cycleInfo   *currentScannerCycle
}

var globalScannerMetrics scannerMetrics

const (
	// START Realtime metrics, that only to records
	// last minute latencies and total operation count.
	scannerMetricReadMetadata scannerMetric = iota
	scannerMetricCheckMissing
	scannerMetricSaveUsage
	scannerMetricApplyAll
	scannerMetricApplyVersion
	scannerMetricTierObjSweep
	scannerMetricHealCheck

        : Lists.newArrayList(iterable.iterator());
  }

  /**
   * Adds all elements in {@code iterable} to {@code collection}.
   *
   * @return {@code true} if {@code collection} was modified as a result of this operation.
   */
  @CanIgnoreReturnValue
  public static <T extends @Nullable Object> boolean addAll(
      Collection<T> addTo, Iterable<? extends T> elementsToAdd) {
    if (elementsToAdd instanceof Collection) {

func (f *sftpDriver) AccessKey() string {
	return f.permissions.CriticalOptions["AccessKey"]
}

func (f *sftpDriver) Fileread(r *sftp.Request) (ra io.ReaderAt, err error) {
	// This is not timing the actual read operation, but the time it takes to prepare the reader.
	stopFn := globalSftpMetrics.log(r, f.AccessKey())
	defer stopFn(0, err)

	flags := r.Pflags()
	if !flags.Read {
		// sanity check
		return nil, os.ErrInvalid

     */
    int CAP_STATUS32 = 0x0040;
    /**
     * Level II oplocks are supported capability.
     */
    int CAP_LEVEL_II_OPLOCKS = 0x0080;
    /**
     * Lock and read operation is supported capability.
     */
    int CAP_LOCK_AND_READ = 0x0100;
    /**
     * NT find operations are supported capability.
     */
    int CAP_NT_FIND = 0x0200;
    /**

     *
     * @param b the byte array containing the data to write
     * @param off the start offset in the data
     * @param len the number of bytes to write
     * @param flags write operation flags
     * @throws IOException if an I/O error occurs
     */
    public void writeDirect(final byte[] b, int off, int len, final int flags) throws IOException {
        if (len <= 0) {
            return;

If one or more drives are offline at the start of a PutObject or NewMultipartUpload operation the object will have additional data protection bits added automatically to provide additional safety for these objects.

### High availability

    //                                               -------
    /**
     * Display details of a specific stopwords entry.
     *
     * @param dictId the dictionary ID
     * @param crudMode the CRUD mode for the operation
     * @param id the entry ID
     * @return HTML response for the details page
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })