Struct TileCache 

pub struct TileCache { /* private fields */ }

Implementations

impl TileCache

pub fn new(drive: &Path, limit_bytes: u64) -> Self

pub fn tile_path(&self, t: TileId) -> PathBuf

pub fn has(&self, t: TileId) -> bool

pub async fn get_or_fetch(&self, t: TileId) -> Result<PathBuf, String>

Return cached tile path, or fetch/store first.

pub fn evict_if_over_limit(&self) -> Result<u64, String>

Walk cache and evict oldest tiles until under cap.

pub fn clear(&self) -> Result<(), String>

pub fn current_size_bytes(&self) -> u64

pub fn set_limit_bytes(&mut self, limit: u64)

Trait Implementations

impl Clone for TileCache

fn clone(&self) -> TileCache

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for TileCache

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

Formats the value using the given formatter.