Struct FileIdbBackend 

pub struct FileIdbBackend { /* private fields */ }

File-based IDB cache backend.

Implementations

impl FileIdbBackend

pub fn new(dir: impl Into<PathBuf>) -> Self

Trait Implementations

impl IdbBackend for FileIdbBackend

fn load(&self, db_name: &str) -> Result<Option<(CacheMeta, IdbSnapshot)>>

Load a cached IDB snapshot for the given database. Returns None if no cache exists.

fn save( &self, db_name: &str, meta: &CacheMeta, snapshot: &IdbSnapshot, ) -> Result<()>

Save an IDB snapshot for the given database.

fn invalidate(&self, db_name: &str) -> Result<()>

Invalidate (delete) the cached IDB for the given database.