this.lastUpdateTime = System.currentTimeMillis();
        } finally {
            lock.writeLock().unlock();
        }
    }

    /**
     * Invalidate the cache
     */
    public void invalidate() {
        lock.writeLock().lock();
        try {
            children.clear();
            isComplete = false;
            hasChanges = true;
        } finally {

    assertThat(wrappedSet).isEqualTo(copyOfWrappedSet);

    // test that setToTest is still valid
    assertThat(setToTest).isEqualTo(wrappedSet);
    assertThat(setToTest).isEqualTo(copyOfWrappedSet);

    // invalidate setToTest
    wrappedSet.remove(1);
    // sanity check on update of wrappedSet
    assertThat(wrappedSet).isNotEqualTo(copyOfWrappedSet);

  override fun getValue(s: String): Any = throw UnsupportedOperationException()

  override fun getValueNames(): Array<String> = throw UnsupportedOperationException()

  override fun invalidate(): Unit = throw UnsupportedOperationException()

  override fun isValid(): Boolean = throw UnsupportedOperationException()

	{err: ObjectNotFound{}, errCode: ErrNoSuchKey},
	{err: ObjectNameInvalid{}, errCode: ErrInvalidObjectName},
	{err: InvalidUploadID{}, errCode: ErrNoSuchUpload},
	{err: InvalidPart{}, errCode: ErrInvalidPart},
	{err: InsufficientReadQuorum{}, errCode: ErrSlowDownRead},
	{err: InsufficientWriteQuorum{}, errCode: ErrSlowDownWrite},
	{err: InvalidUploadIDKeyCombination{}, errCode: ErrNotImplemented},

	UploadID string
}

func (e InvalidUploadID) Error() string {
	return "Invalid upload id " + e.UploadID
}

// InvalidPart One or more of the specified parts could not be found
type InvalidPart struct {
	PartNumber int
	ExpETag    string
	GotETag    string
}

func (e InvalidPart) Error() string {
	return fmt.Sprintf("Specified part could not be found. PartNumber %d, Expected %s, got %s",

            if (Smb2LeaseState.hasWriteCaching(oldState) && !Smb2LeaseState.hasWriteCaching(newState)) {
                flushCachedWrites(entry.getPath());
            }

            // Invalidate cached data if losing read cache
            if (Smb2LeaseState.hasReadCaching(oldState) && !Smb2LeaseState.hasReadCaching(newState)) {
                invalidateReadCache(entry.getPath());
            }

     * @param access access permissions (ignored for TCP)
     */
    public TcpMemoryRegion(ByteBuffer buffer, EnumSet<RdmaAccess> access) {
        super(buffer, access);
    }

    @Override
    public void invalidate() {
        // No real invalidation needed for TCP
        valid = false;
    }

    @Override
    protected int generateLocalKey() {
        return keyGenerator.getAndIncrement();
    }

    @Override

 *
 * @author Charles Fry
 * @since 10.0
 */
@GwtCompatible
public enum RemovalCause {
  /**
   * The entry was manually removed by the user. This can result from the user invoking {@link
   * Cache#invalidate}, {@link Cache#invalidateAll(Iterable)}, {@link Cache#invalidateAll()}, {@link
   * Map#remove}, {@link ConcurrentMap#remove}, or {@link Iterator#remove}.
   */
  EXPLICIT {
    @Override
    boolean wasEvicted() {

        entry.updateChild("file1.txt", 1024L, 1000L, false, 0x20, 500L, 800L);
        entry.updateChild("file2.txt", 2048L, 2000L, false, 0x20, 600L, 900L);
        entry.markComplete();

        // Test FILE_ADDED - should invalidate cache
        directoryLeaseManager.handleDirectoryChange(directoryPath, "file3.txt", DirectoryChangeNotifier.DirectoryChangeType.FILE_ADDED);
        assertFalse(entry.isComplete());

        // Re-setup for next test

          @Override
          public Integer getIfPresent(Object key) {
            throw new UnsupportedOperationException();
          }

          @Override
          public void invalidate(Object key) {
            invalidated.add(key);
          }
        };

    List<Integer> toInvalidate = ImmutableList.of(1, 2, 3, 4);
    cache.invalidateAll(toInvalidate);