Struct PollResult

pub struct PollResult { /* private fields */ }

The result prepared by super::LeaderElection::poll.

Keep this value inside the transaction callback until the enclosing Database::run succeeds. Before then, the transaction can retry, be cancelled, or fail to commit. On success, inspect Self::outcome and consume it with Self::into_next_state to carry caller-local validity into the next attempt.

Implementations

impl PollResult

pub fn outcome(&self) -> &PollOutcome

Returns the role and fencing rank prepared by this transaction attempt.

See PollOutcome for when the rank is usable for protected work.

pub fn into_next_state(self, adopted_at: Duration) -> LocalState

Consumes this result and returns the caller-local state for the next attempt.

adopted_at must be read from the caller’s monotonic clock after the enclosing Database::run succeeds. It timestamps only a new or reset observation; an unchanged observation and leadership token retain their original attempt-local timestamps.

Trait Implementations

impl Clone for PollResult

fn clone(&self) -> PollResult

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for PollResult

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

Formats the value using the given formatter.

impl PartialEq for PollResult

fn eq(&self, other: &PollResult) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for PollResult

impl StructuralPartialEq for PollResult