Struct ChildrenSnapshot 

pub struct ChildrenSnapshot { /* private fields */ }

Immutable point-in-time snapshot of all child tasks’ states.

Provided to Coordinator-pattern handlers so they can check progress and decide what to do next without accessing shared mutable state.

Implementations

impl ChildrenSnapshot

pub fn new(children: Vec<ChildState>) -> ChildrenSnapshot

Creates a snapshot from a list of child states.

pub fn children(&self) -> &[ChildState]

Returns all child states in this snapshot.

pub fn is_empty(&self) -> bool

Returns true if there are no children (empty snapshot).

pub fn len(&self) -> usize

Returns the number of children in this snapshot.

pub fn all_children_terminal(&self) -> bool

Returns true if all children have all runs in terminal states.

pub fn get(&self, task_id: TaskId) -> Option<&ChildState>

Returns the child state for the given task, if present.

Trait Implementations

impl Clone for ChildrenSnapshot

fn clone(&self) -> ChildrenSnapshot

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ChildrenSnapshot

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

Formats the value using the given formatter.

impl Default for ChildrenSnapshot

fn default() -> ChildrenSnapshot

Returns the “default value” for a type.