Struct DefaultLifecycle 

pub struct DefaultLifecycle;

Default lifecycle: validates transitions only, no side effects.

Enforces the state machine defined in the module docs.

Implementations

impl DefaultLifecycle

pub fn is_valid_transition(from: &TaskStatus, to: &TaskStatus) -> bool

Check if from → to is a valid transition.

Trait Implementations

impl Clone for DefaultLifecycle

fn clone(&self) -> DefaultLifecycle

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DefaultLifecycle

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

Formats the value using the given formatter.

impl Default for DefaultLifecycle

fn default() -> DefaultLifecycle

Returns the “default value” for a type.

impl TaskLifecycle for DefaultLifecycle

fn validate_transition( &self, task: &Task, new_status: &TaskStatus, ) -> Result<(), PeError>

Validate whether a transition is allowed. Return Err to reject.

fn on_create(&self, _task: &Task)

Called after a task is created. Default: no-op.

fn on_transition(&self, _task: &Task, _old_status: &TaskStatus)

Called after a status transition succeeds. Default: no-op.

fn on_complete(&self, _task: &Task)

Called after a task completes. Default: no-op.

fn on_fail(&self, _task: &Task, _error: &str)

Called after a task fails. Default: no-op.

fn on_cancel(&self, _task: &Task)

Called after a task is cancelled. Default: no-op.