Struct TTLManager 

pub struct TTLManager { /* private fields */ }

TTL manager for handling key expiration

Implementations

impl TTLManager

pub fn new(check_interval: Duration) -> Self

Create a new TTL manager

pub fn start_cleanup( &mut self, cleanup_callback: impl Fn(Vec<Key>) + Send + Sync + 'static, )

Start the background cleanup task

pub fn stop_cleanup(&mut self)

Stop the background cleanup task

pub async fn set_ttl(&self, key: Key, ttl: TTL) -> KVResult<()>

Set TTL for a key

Errors

Returns error if TTL operation fails

pub async fn remove_ttl(&self, key: &Key) -> KVResult<bool>

Remove TTL for a key (make it persistent)

Errors

Returns error if TTL removal fails

pub async fn get_ttl(&self, key: &Key) -> KVResult<Option<TTL>>

Get remaining TTL for a key

Errors

Returns error if TTL retrieval fails

pub async fn is_expired(&self, key: &Key) -> KVResult<bool>

Check if a key has expired

Errors

Returns error if expiration check fails

pub async fn get_expiring_keys(&self, within: Duration) -> KVResult<Vec<Key>>

Get all keys that will expire within the given duration

Errors

Returns error if duration conversion fails

pub async fn get_stats(&self) -> KVResult<TTLStats>

Get statistics about TTL usage

Errors

Returns error if stats calculation fails

pub async fn clear_all(&self)

Clear all TTL information (for testing or reset)