Struct Task 

pub struct Task {

    pub id: String,
    pub tool_name: String,
    pub arguments: Value,
    pub status: TaskStatus,
    pub created_at: Instant,
    pub created_at_str: String,
    pub last_updated_at_str: String,
    pub ttl: u64,
    pub poll_interval: u64,
    pub status_message: Option<String>,
    pub result: Option<CallToolResult>,
    pub error: Option<String>,
    pub cancellation_token: CancellationToken,
    pub completed_at: Option<Instant>,
    pub completion_notify: Arc<Notify>,
}

Internal task representation with full state

Fields

id: String

Unique task identifier

tool_name: String

Name of the tool being executed

arguments: Value

Arguments passed to the tool

status: TaskStatus

Current task status

created_at: Instant

When the task was created

created_at_str: String

ISO 8601 timestamp string

last_updated_at_str: String

ISO 8601 timestamp of last state change

ttl: u64

Time-to-live in milliseconds (for cleanup after completion)

poll_interval: u64

Suggested polling interval in milliseconds

status_message: Option<String>

Human-readable status message

result: Option<CallToolResult>

The result of the tool call (when completed)

error: Option<String>

Error message (when failed)

cancellation_token: CancellationToken

Cancellation token for aborting the task

completed_at: Option<Instant>

When the task reached terminal status (for TTL tracking)

completion_notify: Arc<Notify>

Notified when task reaches a terminal state

Implementations

impl Task

pub fn to_task_object(&self) -> TaskObject

Convert to TaskObject for API responses

pub fn is_expired(&self) -> bool

Check if this task should be cleaned up (TTL expired)

pub fn is_cancelled(&self) -> bool

Check if the task has been cancelled

Trait Implementations

impl Debug for Task

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

Formats the value using the given formatter.