Struct FileBackend

pub struct FileBackend { /* private fields */ }

Stores a database as a file on-disk.

Implementations

impl FileBackend

pub fn new(file: File) -> Result<Self, DatabaseError>

Creates a new backend which stores data to the given file.

Trait Implementations

impl Debug for FileBackend

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Drop for FileBackend

fn drop(&mut self)

Executes the destructor for this type.

impl StorageBackend for FileBackend

fn len(&self) -> Result<u64, Error>

Gets the current length of the storage.

fn read(&self, offset: u64, len: usize) -> Result<Vec<u8>, Error>

Reads the specified array of bytes from the storage.

fn set_len(&self, len: u64) -> Result<(), Error>

Sets the length of the storage.

fn sync_data(&self, _: bool) -> Result<(), Error>

Syncs all buffered data with the persistent storage.

fn write(&self, offset: u64, data: &[u8]) -> Result<(), Error>

Writes the specified array to the storage.