NotificationManager

risingwave_meta::manager

Struct NotificationManager 

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pub struct NotificationManager {
    core: Arc<Mutex<NotificationManagerCore>>,
    task_tx: UnboundedSender<Task>,
    version_generator: Mutex<NotificationVersionGenerator>,
}
Expand description

NotificationManager is used to send notification to frontends and compute nodes.

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§core: Arc<Mutex<NotificationManagerCore>>§task_tx: UnboundedSender<Task>

Sender used to add a notification into the waiting queue.

§version_generator: Mutex<NotificationVersionGenerator>

The current notification version generator.

Implementations§

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impl NotificationManager

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pub(crate) fn notify_fragment_mapping( &self, operation: NotificationOperation, fragment_mappings: Vec<PbFragmentWorkerSlotMapping>, )

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impl NotificationManager

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pub async fn new(meta_store_impl: SqlMetaStore) -> Self

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pub fn abort_all(&self)

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fn notify( &self, target: Target, operation: Operation, info: Info, version: Option<NotificationVersion>, )

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async fn notify_with_version( &self, target: Target, operation: Operation, info: Info, ) -> NotificationVersion

Add a notification to the waiting queue and increase notification version.

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fn notify_without_version( &self, target: Target, operation: Operation, info: Info, )

Add a notification to the waiting queue and return immediately

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pub fn notify_snapshot( &self, worker_key: WorkerKey, subscribe_type: SubscribeType, meta_snapshot: MetaSnapshot, )

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pub fn notify_all_without_version(&self, operation: Operation, info: Info)

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pub async fn notify_frontend( &self, operation: Operation, info: Info, ) -> NotificationVersion

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pub async fn notify_frontend_object_info( &self, operation: Operation, object_info: PbObjectInfo, ) -> NotificationVersion

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pub async fn notify_hummock( &self, operation: Operation, info: Info, ) -> NotificationVersion

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pub async fn notify_compactor( &self, operation: Operation, info: Info, ) -> NotificationVersion

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pub fn notify_compute_without_version(&self, operation: Operation, info: Info)

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pub fn notify_frontend_without_version(&self, operation: Operation, info: Info)

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pub fn notify_hummock_without_version(&self, operation: Operation, info: Info)

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pub fn notify_compactor_without_version(&self, operation: Operation, info: Info)

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pub fn notify_hummock_with_version( &self, operation: Operation, info: Info, version: Option<NotificationVersion>, )

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pub fn notify_local_subscribers(&self, notification: LocalNotification)

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pub fn delete_sender(&self, worker_type: WorkerType, worker_key: WorkerKey)

Tell NotificationManagerCore to delete sender.

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pub fn insert_sender( &self, subscribe_type: SubscribeType, worker_key: WorkerKey, sender: UnboundedSender<Notification>, )

Tell NotificationManagerCore to insert sender by worker_type.

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pub fn insert_local_sender(&self, sender: UnboundedSender<LocalNotification>)

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pub async fn current_version(&self) -> NotificationVersion

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