linera_service::query_subscription

Struct QuerySubscriptionManager

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pub struct QuerySubscriptionManager { /* private fields */ }
Expand description

Manages registered query names and active per-key watchers.

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impl QuerySubscriptionManager

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pub fn new(registered: Vec<RegisteredQuery>) -> Self

Creates a new manager from the registered queries.

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pub fn get_query(&self, name: &str) -> Option<&str>

Returns the GraphQL query string for a given name, if registered.

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pub fn subscribe<C: ClientContext + 'static>( self: &Arc<Self>, key: &SubscriptionKey, context: Arc<Mutex<C>>, token: CancellationToken, ) -> Result<Receiver<Value>>

Returns a broadcast receiver for the given key. Lazily spawns a watcher if needed.

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