Struct SqliteCacheTracker

pub struct SqliteCacheTracker<F> { /* private fields */ }

A cache tracker that uses a sqlite database as persistent storage

Implementations

impl<F> SqliteCacheTracker<F>

where F: Fn(i64, BlockInfo) -> Option<i64>,

pub fn memory(mk_cache_entry: F) -> Result<Self>

pub fn open(path: impl AsRef<Path>, mk_cache_entry: F) -> Result<Self>

Trait Implementations

impl<F> CacheTracker for SqliteCacheTracker<F>

where F: Fn(i64, BlockInfo) -> Option<i64> + Send + Sync,

fn blocks_accessed(&self, blocks: Vec<BlockInfo>)

called whenever blocks were accessed

fn blocks_deleted(&self, blocks: Vec<BlockInfo>)

called whenever blocks have been deleted by gc.

fn retain_ids(&self, ids: &[i64])

notification that only these ids should be retained

fn sort_ids(&self, ids: &mut [i64])

sort ids by importance. More important ids should go to the end.

fn has_persistent_state(&self) -> bool

indicate whether retain_ids should be called on startup

fn blocks_written(&self, blocks: Vec<WriteInfo>)

called whenever blocks were written

impl<F> Debug for SqliteCacheTracker<F>

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

Formats the value using the given formatter.