Struct SchedulerPlugin 

pub struct SchedulerPlugin { /* private fields */ }

定时任务插件：cron 表达式调度

支持注册/移除/手动触发/列举任务。注意：本实现为任务注册中心， 实际调度需搭配 cron runner（如 tokio-cron-scheduler）。

Implementations

impl SchedulerPlugin

pub fn new() -> Self

创建空的调度器

pub fn register<F>(&self, name: &str, cron: &str, desc: &str, runner: F)

where F: Fn() -> JoinHandle<()> + Send + Sync + 'static,

注册定时任务

scheduler.register("cleanup", "0 */5 * * * *", "每5分钟清理", || {
    tokio::spawn(async { cleanup_task().await })
});

pub fn remove(&self, name: &str)

移除定时任务

pub fn list(&self) -> Vec<(String, String, String)>

列出所有注册的任务

pub fn trigger(&self, name: &str) -> Option<JoinHandle<()>>

手动触发指定的定时任务

Trait Implementations

impl Default for SchedulerPlugin

fn default() -> Self

Returns the “default value” for a type.

impl Plugin for SchedulerPlugin

fn name(&self) -> &str

插件唯一名称（用于注册、日志、依赖解析）

fn start<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

启动插件：验证连接、初始化资源

fn stop<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

关闭插件：释放资源

fn depends_on(&self) -> &[&str]

依赖的其他插件名称（用于拓扑排序，保证启动顺序）