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LockBasedElection

ranvier_runtime::cluster

Struct LockBasedElection 

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pub struct LockBasedElection<L: DistributedLock> { /* private fields */ }
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A standard implementation of leader election using a distributed lock.

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impl<L: DistributedLock> LockBasedElection<L>

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pub fn new( lock: Arc<L>, node_id: String, resource_key: String, ttl_ms: u64, ) -> Self

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impl<L: DistributedLock> LeaderElection for LockBasedElection<L>

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fn try_become_leader<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = Result<bool, DistributedError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Attempt to become the leader or renew leadership if already the leader.
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fn is_leader(&self) -> bool

Returns true if this node is currently the elected leader.
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fn step_down<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = Result<(), DistributedError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Step down from leadership explicitly.

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