Trait tc_transact::fs::DirRead

pub trait DirRead: Send + Sync {
    type FileEntry;
    type Lock: Dir;

    fn contains(&self, name: &PathSegment) -> bool;
    fn get_dir(&self, name: &PathSegment) -> TCResult<Option<Self::Lock>>;
    fn get_file<F, B>(&self, name: &Id) -> TCResult<Option<F>>
   where
        Self::FileEntry: AsType<F>,
        B: BlockData,
        F: File<B>;
    fn is_empty(&self) -> bool;
}

A read lock on a Dir

Required Associated Types

type FileEntry

The type of a file entry in this Dir

type Lock: Dir

The type of lock used to guard subdirectories in this Dir

Required Methods

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 get_file<F, B>(&self, name: &Id) -> TCResult<Option<F>>where
    Self::FileEntry: AsType<F>,
    B: BlockData,
    F: File<B>,

Get a File in this Dir.

fn is_empty(&self) -> bool

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

Implementors