Struct TaskHandle 

pub struct TaskHandle {
    pub id: TaskId,
    pub name: String,
    /* private fields */
}

任务句柄

用于管理和查询任务状态。

Fields

id: TaskId

任务 ID

name: String

任务名称

Implementations

impl TaskHandle

pub fn new(id: TaskId, name: String) -> Self

创建新的任务句柄

pub async fn state(&self) -> TaskState

获取任务状态

pub fn execution_count(&self) -> u64

获取执行次数

pub async fn last_execution(&self) -> Option<DateTime<Utc>>

获取最后执行时间

pub async fn last_error(&self) -> Option<String>

获取最后错误信息

pub fn is_cancelled(&self) -> bool

检查任务是否已取消

pub async fn set_state(&self, state: TaskState)

更新状态

pub async fn record_execution(&self)

记录执行

pub async fn record_error(&self, error: String)

记录错误

pub fn cancel(&self)

取消任务

Trait Implementations

impl Clone for TaskHandle

fn clone(&self) -> TaskHandle

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TaskHandle

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

Formats the value using the given formatter.