Struct TaskState 

pub struct TaskState {

    pub id: TaskId,
    pub task_type: String,
    pub description: String,
    pub owner_thread_id: String,
    pub parent_task_id: Option<TaskId>,
    pub status: TaskStatus,
    pub error: Option<String>,
    pub result: Option<Value>,
    pub result_ref: Option<TaskResultRef>,
    pub checkpoint: Option<Value>,
    pub supports_resume: bool,
    pub attempt: u32,
    pub created_at_ms: u64,
    pub updated_at_ms: u64,
    pub completed_at_ms: Option<u64>,
    pub cancel_requested_at_ms: Option<u64>,
    pub metadata: Value,
}

Durable task state stored inside a dedicated task thread (task:<task_id>).

Fields

id: TaskId

task_type: String

description: String

owner_thread_id: String

parent_task_id: Option<TaskId>

status: TaskStatus

error: Option<String>

result: Option<Value>

result_ref: Option<TaskResultRef>

checkpoint: Option<Value>

supports_resume: bool

attempt: u32

created_at_ms: u64

updated_at_ms: u64

completed_at_ms: Option<u64>

cancel_requested_at_ms: Option<u64>

metadata: Value

Implementations

impl TaskState

pub fn summary(&self) -> TaskSummary

Trait Implementations

impl Clone for TaskState

fn clone(&self) -> TaskState

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TaskState

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

Formats the value using the given formatter.

impl Default for TaskState

fn default() -> TaskState

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for TaskState

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for TaskState

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl State for TaskState

const PATH: &'static str = "__task"

Canonical JSON path for this state type.

type Ref<'a> = TaskStateRef<'a>

The reference type that provides typed access.

fn state_ref<'a>( doc: &'a DocCell, base: Path, sink: PatchSink<'a>, ) -> Self::Ref<'a>

Create a state reference at the specified path.

fn from_value(value: &Value) -> TireaResult<Self>

Deserialize this type from a JSON value.

fn to_value(&self) -> TireaResult<Value>

Serialize this type to a JSON value.

fn diff_ops(old: &Self, new: &Self, base_path: &Path) -> TireaResult<Vec<Op>>

Compare two instances and emit minimal ops for changed fields.

fn register_lattice(_registry: &mut LatticeRegistry)

Register lattice fields into the given registry.

fn lattice_keys() -> &'static [&'static str]

Return the JSON keys of fields annotated with #[tirea(lattice)].

fn to_patch(&self) -> Result<Patch, TireaError>

Create a patch that sets this value at the root.

impl StateSpec for TaskState

const SCOPE: StateScope = ::tirea_state::StateScope::Thread

Lifecycle scope of this state type.

type Action = TaskAction

The action type accepted by this state.

fn reduce(&mut self, action: Self::Action)

Pure reducer: apply an action to produce the next state.