Struct CachedResource 

pub struct CachedResource {
    pub data: Value,
    pub cached_at: Instant,
    pub ttl: Duration,
    pub version: u64,
}

缓存的资源条目

Fields

data: Value

资源数据

cached_at: Instant

缓存时间戳

ttl: Duration

TTL（生存时间）

version: u64

版本号（每次更新递增）

Implementations

impl CachedResource

pub fn new(data: Value, ttl: Duration) -> Self

创建新的缓存条目

pub fn is_expired(&self) -> bool

检查缓存是否已过期

pub fn remaining_ttl(&self) -> Duration

获取剩余 TTL

pub fn refresh(&mut self, new_data: Value)

更新缓存数据

Trait Implementations

impl Clone for CachedResource

fn clone(&self) -> CachedResource

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for CachedResource

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.