Struct StateHistory 

pub struct StateHistory {
    pub current: Option<TaskState>,
    pub transitions: Vec<StateTransition>,
}

Tracks state transitions for a task

Fields

current: Option<TaskState>

Current state

transitions: Vec<StateTransition>

List of state transitions

Implementations

impl StateHistory

pub fn new() -> Self

Create a new state history

pub fn with_initial(state: TaskState) -> Self

Create a new state history with initial state

pub fn transition(&mut self, to: TaskState) -> Option<StateTransition>

Transition to a new state

pub fn transition_with_reason( &mut self, to: TaskState, reason: impl Into<String>, ) -> Option<StateTransition>

Transition to a new state with a reason

pub fn current_state(&self) -> Option<&TaskState>

Get the current state

pub fn get_transitions(&self) -> &[StateTransition]

Get all transitions

pub fn last_transition(&self) -> Option<&StateTransition>

Get the last transition

pub const fn transition_count(&self) -> usize

Get the number of transitions

pub fn has_been_in_state(&self, state_name: &str) -> bool

Check if task has ever been in a specific state

pub fn time_in_state(&self, state_name: &str) -> Option<f64>

Get the time spent in a specific state (returns None if never in that state)

Trait Implementations

impl Clone for StateHistory

fn clone(&self) -> StateHistory

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for StateHistory

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

Formats the value using the given formatter.

impl Default for StateHistory

fn default() -> StateHistory

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for StateHistory

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for StateHistory

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

where __S: Serializer,

Serialize this value into the given Serde serializer.