Struct NoCheckpointStore 

pub struct NoCheckpointStore;

A no-op checkpoint store that never saves or loads checkpoints.

Used as the default checkpoint store type when no checkpoint store is configured.

Trait Implementations

impl CheckpointStore for NoCheckpointStore

type Error = NoCheckpointError

Error type returned by checkpoint operations.

async fn load(&self, _name: &str) -> Result<Option<StreamPosition>, Self::Error>

Load the last saved checkpoint position for a subscription.

async fn save( &self, _name: &str, _position: StreamPosition, ) -> Result<(), Self::Error>

Save a checkpoint position for a subscription.

impl Clone for NoCheckpointStore

fn clone(&self) -> NoCheckpointStore

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for NoCheckpointStore

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

Formats the value using the given formatter.

impl Default for NoCheckpointStore

fn default() -> NoCheckpointStore

Returns the “default value” for a type.

impl Copy for NoCheckpointStore