Struct cached::stores::RedisCache

pub struct RedisCache<K, V> { /* private fields */ }

Available on crate feature redis_store only.

Cache store backed by redis

Values have a ttl applied and enforced by redis. Uses an r2d2 connection pool under the hood.

Implementations

impl<K, V> RedisCache<K, V>

where K: Display, V: Serialize + DeserializeOwned,

pub fn new<S: AsRef<str>>(prefix: S, seconds: u64) -> RedisCacheBuilder<K, V>

Initialize a RedisCacheBuilder

pub fn connection_string(&self) -> String

Return the redis connection string used

Trait Implementations

impl<K, V> IOCached<K, V> for RedisCache<K, V>

where K: Display, V: Serialize + DeserializeOwned,

type Error = RedisCacheError

fn cache_get(&self, key: &K) -> Result<Option<V>, RedisCacheError>

Attempt to retrieve a cached value

fn cache_set(&self, key: K, val: V) -> Result<Option<V>, RedisCacheError>

Insert a key, value pair and return the previous value

fn cache_remove(&self, key: &K) -> Result<Option<V>, RedisCacheError>

Remove a cached value

fn cache_lifespan(&self) -> Option<u64>

Return the lifespan of cached values (time to eviction)

fn cache_set_lifespan(&mut self, seconds: u64) -> Option<u64>

Set the lifespan of cached values, returns the old value.

fn cache_set_refresh(&mut self, refresh: bool) -> bool

Set the flag to control whether cache hits refresh the ttl of cached values, returns the old flag value

fn cache_unset_lifespan(&mut self) -> Option<u64>

Remove the lifespan for cached values, returns the old value.