Struct tinychain::fs::DirGuard

pub struct DirGuard<C, L> { /* private fields */ }

A lock guard for a Dir

Implementations

impl<C, L> DirGuard<C, L>where
    C: Deref<Target = Dir<CacheBlock>> + Send + Sync,
    L: Deref<Target = BTreeMap<PathSegment, DirEntry>> + Send + Sync,

pub fn file_names(&self) -> impl Iterator<Item = &PathSegment>

pub fn iter(&self) -> impl Iterator<Item = (&PathSegment, &DirEntry)>

impl DirGuard<DirReadGuard<CacheBlock>, TxnLockReadGuard<BTreeMap<Id, DirEntry, Global>>>

pub fn get_store(self, name: PathSegment) -> Option<Store>

Get an entry in this directory without resolving it to a Dir or File.

impl DirGuard<DirWriteGuard<CacheBlock>, TxnLockWriteGuard<BTreeMap<Id, DirEntry, Global>>>

pub fn create_store(self, name: PathSegment) -> Store

Create a new Store in this Dir.

pub fn get_or_create_store(self, name: PathSegment) -> Store

Access a Store in this Dir which can be resolved to either a Dir or File.

pub fn create_store_unique(self) -> Store

Create a new Store in this Dir with a unique name.

Trait Implementations

impl<C, L> DirCreate for DirGuard<C, L>where
    C: DerefMut<Target = Dir<CacheBlock>> + Send + Sync,
    L: DerefMut<Target = BTreeMap<PathSegment, DirEntry>> + Send + Sync,

fn create_dir(&mut self, name: PathSegment) -> TCResult<Self::Lock>

Create a new Dir.

fn create_dir_unique(&mut self) -> TCResult<Self::Lock>

Create a new Dir with a new unique ID.

fn get_or_create_dir(&mut self, name: Id) -> Result<Self::Lock, TCError>

Get the Dir with the given name and create a new one if none exists.

impl<C, L, K, B> DirCreateFile<File<K, B>> for DirGuard<C, L>where
    C: DerefMut<Target = Dir<CacheBlock>> + Send + Sync,
    L: DerefMut<Target = BTreeMap<PathSegment, DirEntry>> + Send + Sync,
    B: BlockData,
    K: FromStr + Display + Ord + Clone + Send + Sync + 'static,
    <K as FromStr>::Err: Error + Display,
    File<K, B>: FileExt,
    FileEntry: AsType<File<K, B>>,
    CacheBlock: AsType<B>,

fn create_file(&mut self, name: Id) -> TCResult<File<K, B>>

Create a new File.

fn create_file_unique(&mut self) -> TCResult<File<K, B>>

Create a new File with a new unique ID.

fn get_or_create_file(&mut self, name: PathSegment) -> TCResult<File<K, B>>

Get the File with the given name and create a new one if none exists.

impl<C, L> DirRead for DirGuard<C, L>where
    C: Deref<Target = Dir<CacheBlock>> + Send + Sync,
    L: Deref<Target = BTreeMap<PathSegment, DirEntry>> + Send + Sync,

type Lock = Dir

The type of lock used to guard subdirectories in this Dir

fn contains(&self, name: &PathSegment) -> bool

Return true if this directory has an entry at the given PathSegment.

fn get_dir(&self, name: &PathSegment) -> TCResult<Option<Self::Lock>>

Look up a subdirectory of this Dir.

fn is_empty(&self) -> bool

Return true if there are no files or subdirectories in this Dir.

fn len(&self) -> usize

Return the number of entries in this Dir.

impl<C, L, K, B> DirReadFile<File<K, B>> for DirGuard<C, L>where
    K: FromStr + Display + Ord + Clone + Send + Sync + 'static,
    C: Deref<Target = Dir<CacheBlock>> + Send + Sync,
    L: Deref<Target = BTreeMap<PathSegment, DirEntry>> + Send + Sync,
    B: BlockData,
    <K as FromStr>::Err: Error + Display,
    CacheBlock: AsType<B>,
    FileEntry: AsType<File<K, B>>,

fn get_file(&self, name: &Id) -> TCResult<Option<File<K, B>>>

Get a File in this Dir.