pub trait CacheBackend: Send + Sync {
Show 13 methods
// Required methods
fn get_bytes<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
) -> Pin<Box<dyn Future<Output = CacheResult<Option<Vec<u8>>>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait;
fn set_bytes<'life0, 'life1, 'life2, 'async_trait>(
&'life0 self,
key: &'life1 str,
value: &'life2 [u8],
ttl: Option<Duration>,
) -> Pin<Box<dyn Future<Output = CacheResult<()>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait;
fn delete<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
) -> Pin<Box<dyn Future<Output = CacheResult<bool>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait;
fn exists<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
) -> Pin<Box<dyn Future<Output = CacheResult<bool>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait;
fn expire<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
ttl: Duration,
) -> Pin<Box<dyn Future<Output = CacheResult<bool>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait;
fn ttl<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
) -> Pin<Box<dyn Future<Output = CacheResult<Option<Duration>>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait;
fn mget_bytes<'life0, 'life1, 'life2, 'async_trait>(
&'life0 self,
keys: &'life1 [&'life2 str],
) -> Pin<Box<dyn Future<Output = CacheResult<Vec<Option<Vec<u8>>>>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait;
fn mset_bytes<'life0, 'life1, 'life2, 'life3, 'async_trait>(
&'life0 self,
items: &'life1 [(&'life2 str, &'life3 [u8])],
ttl: Option<Duration>,
) -> Pin<Box<dyn Future<Output = CacheResult<()>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait,
'life3: 'async_trait;
fn mdelete<'life0, 'life1, 'life2, 'async_trait>(
&'life0 self,
keys: &'life1 [&'life2 str],
) -> Pin<Box<dyn Future<Output = CacheResult<u64>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait;
fn incr<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
delta: i64,
) -> Pin<Box<dyn Future<Output = CacheResult<i64>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait;
fn decr<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
delta: i64,
) -> Pin<Box<dyn Future<Output = CacheResult<i64>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait;
fn clear<'life0, 'async_trait>(
&'life0 self,
) -> Pin<Box<dyn Future<Output = CacheResult<()>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait;
fn config(&self) -> &CacheConfig;
}Expand description
缓存服务核心 trait (dyn 兼容)
定义统一的缓存操作接口,使用原始字节进行存储。 所有方法都是异步的,适配 tokio 运行时。
Required Methods§
Sourcefn get_bytes<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
) -> Pin<Box<dyn Future<Output = CacheResult<Option<Vec<u8>>>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
fn get_bytes<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
) -> Pin<Box<dyn Future<Output = CacheResult<Option<Vec<u8>>>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
获取缓存原始字节
Sourcefn set_bytes<'life0, 'life1, 'life2, 'async_trait>(
&'life0 self,
key: &'life1 str,
value: &'life2 [u8],
ttl: Option<Duration>,
) -> Pin<Box<dyn Future<Output = CacheResult<()>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait,
fn set_bytes<'life0, 'life1, 'life2, 'async_trait>(
&'life0 self,
key: &'life1 str,
value: &'life2 [u8],
ttl: Option<Duration>,
) -> Pin<Box<dyn Future<Output = CacheResult<()>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait,
设置缓存原始字节
Sourcefn delete<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
) -> Pin<Box<dyn Future<Output = CacheResult<bool>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
fn delete<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
) -> Pin<Box<dyn Future<Output = CacheResult<bool>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
删除缓存键
Sourcefn exists<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
) -> Pin<Box<dyn Future<Output = CacheResult<bool>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
fn exists<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
) -> Pin<Box<dyn Future<Output = CacheResult<bool>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
检查键是否存在
Sourcefn expire<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
ttl: Duration,
) -> Pin<Box<dyn Future<Output = CacheResult<bool>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
fn expire<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
ttl: Duration,
) -> Pin<Box<dyn Future<Output = CacheResult<bool>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
设置键的过期时间
Sourcefn ttl<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
) -> Pin<Box<dyn Future<Output = CacheResult<Option<Duration>>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
fn ttl<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
) -> Pin<Box<dyn Future<Output = CacheResult<Option<Duration>>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
获取键的剩余过期时间
Sourcefn mget_bytes<'life0, 'life1, 'life2, 'async_trait>(
&'life0 self,
keys: &'life1 [&'life2 str],
) -> Pin<Box<dyn Future<Output = CacheResult<Vec<Option<Vec<u8>>>>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait,
fn mget_bytes<'life0, 'life1, 'life2, 'async_trait>(
&'life0 self,
keys: &'life1 [&'life2 str],
) -> Pin<Box<dyn Future<Output = CacheResult<Vec<Option<Vec<u8>>>>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait,
批量获取缓存原始字节
Sourcefn mset_bytes<'life0, 'life1, 'life2, 'life3, 'async_trait>(
&'life0 self,
items: &'life1 [(&'life2 str, &'life3 [u8])],
ttl: Option<Duration>,
) -> Pin<Box<dyn Future<Output = CacheResult<()>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait,
'life3: 'async_trait,
fn mset_bytes<'life0, 'life1, 'life2, 'life3, 'async_trait>(
&'life0 self,
items: &'life1 [(&'life2 str, &'life3 [u8])],
ttl: Option<Duration>,
) -> Pin<Box<dyn Future<Output = CacheResult<()>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait,
'life3: 'async_trait,
批量设置缓存原始字节
Sourcefn mdelete<'life0, 'life1, 'life2, 'async_trait>(
&'life0 self,
keys: &'life1 [&'life2 str],
) -> Pin<Box<dyn Future<Output = CacheResult<u64>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait,
fn mdelete<'life0, 'life1, 'life2, 'async_trait>(
&'life0 self,
keys: &'life1 [&'life2 str],
) -> Pin<Box<dyn Future<Output = CacheResult<u64>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait,
批量删除缓存键
Sourcefn incr<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
delta: i64,
) -> Pin<Box<dyn Future<Output = CacheResult<i64>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
fn incr<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
delta: i64,
) -> Pin<Box<dyn Future<Output = CacheResult<i64>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
自增操作
Sourcefn decr<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
delta: i64,
) -> Pin<Box<dyn Future<Output = CacheResult<i64>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
fn decr<'life0, 'life1, 'async_trait>(
&'life0 self,
key: &'life1 str,
delta: i64,
) -> Pin<Box<dyn Future<Output = CacheResult<i64>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
自减操作
Sourcefn clear<'life0, 'async_trait>(
&'life0 self,
) -> Pin<Box<dyn Future<Output = CacheResult<()>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn clear<'life0, 'async_trait>(
&'life0 self,
) -> Pin<Box<dyn Future<Output = CacheResult<()>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
清空当前命名空间下的所有缓存
Sourcefn config(&self) -> &CacheConfig
fn config(&self) -> &CacheConfig
获取缓存配置