Struct CacheExpiry 

pub struct CacheExpiry;

Trait Implementations

impl Expiry<String, (Expiration, Vec<u8>)> for CacheExpiry

fn expire_after_create( &self, key: &String, value: &(Expiration, Vec<u8>), current_time: Instant, ) -> Option<Duration>

Specifies that the entry should be automatically removed from the cache once the duration has elapsed after the entry’s creation. This method is called for cache write methods such as insert and get_with but only when the key was not present in the cache.

fn expire_after_read( &self, key: &K, value: &V, read_at: Instant, duration_until_expiry: Option<Duration>, last_modified_at: Instant, ) -> Option<Duration>

Specifies that the entry should be automatically removed from the cache once the duration has elapsed after its last read. This method is called for cache read methods such as get and get_with but only when the key is present in the cache.

fn expire_after_update( &self, key: &K, value: &V, updated_at: Instant, duration_until_expiry: Option<Duration>, ) -> Option<Duration>

Specifies that the entry should be automatically removed from the cache once the duration has elapsed after the replacement of its value. This method is called for cache write methods such as insert but only when the key is already present in the cache.