Struct PersistenceManager 

pub struct PersistenceManager { /* private fields */ }

Manager for automatic cache persistence

Handles periodic saves, shutdown persistence, and recovery.

Implementations

impl PersistenceManager

pub fn new(config: PersistenceConfig) -> Self

Create a new persistence manager

pub fn with_default_config() -> Self

Create with default configuration

pub fn start_background_task( &self, snapshot_provider: Arc<dyn Fn() -> Option<CacheSnapshot> + Send + Sync>, )

Start background persistence task

This starts a task that periodically saves the cache based on the configured strategy and interval.

pub fn stop_background_task(&self)

Stop the background persistence task

pub fn shutdown(&self, final_snapshot: Option<CacheSnapshot>)

Perform graceful shutdown with final cache save

Arguments

• final_snapshot - The final cache snapshot to save

pub fn recover(&self) -> Result<Option<CacheSnapshot>>

Recover cache from persisted snapshot

Returns

The recovered cache snapshot, or None if no snapshot exists

pub fn has_recovery_snapshot(&self) -> bool

Check if a recovery snapshot exists

pub fn config(&self) -> &PersistenceConfig

Get the persistence configuration

pub fn stats(&self) -> PersistenceStats

Get persistence statistics

pub fn last_snapshot(&self) -> Option<CacheSnapshot>

Get the last saved snapshot

pub fn force_save(&self, snapshot: &CacheSnapshot) -> Result<usize>

Force an immediate save

pub fn delete_persisted(&self) -> Result<bool>

Delete persisted snapshot

Trait Implementations

impl Default for PersistenceManager

fn default() -> Self

Returns the “default value” for a type.

impl Drop for PersistenceManager

fn drop(&mut self)

Executes the destructor for this type.