Struct RetryPolicy 

pub struct RetryPolicy {
    pub max_retries: u32,
    pub base_delay: Duration,
    pub backoff_factor: f64,
    pub max_delay: Option<Duration>,
}

重试策略（供 CoreError 使用）

Fields

max_retries: u32

最大重试次数

base_delay: Duration

寏次重试基础延迟

backoff_factor: f64

退避因子

max_delay: Option<Duration>

最大延迟

Implementations

impl RetryPolicy

pub fn no_retry() -> Self

创建不重试策略

pub fn fixed(max_retries: u32, delay: Duration) -> Self

创建固定延迟重试策略

pub fn exponential(max_retries: u32, base_delay: Duration) -> Self

创建指数退避重试策略

pub fn is_retryable(&self) -> bool

是否可重试

pub fn retry_delay(&self, attempt: u32) -> Option<Duration>

计算重试延迟

pub fn delay(&self, attempt: u32) -> Duration

直接获取延迟（超过最大重试返回0）

pub fn use_exponential_backoff(&self) -> bool

是否使用指数退避

pub fn max_retries(&self) -> u32

最大重试次数（保持旧接口）

Trait Implementations

impl Clone for RetryPolicy

fn clone(&self) -> RetryPolicy

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for RetryPolicy

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

Formats the value using the given formatter.

impl Default for RetryPolicy

fn default() -> Self

Returns the “default value” for a type.