Struct DefaultChannelResolver 

pub struct DefaultChannelResolver { /* private fields */ }

Default implementation of a ChannelResolver that connects to the workers given the URL once and stores the connection instance in a TTI cache.

Sane default over which other ChannelResolver can be built for better customization of the WorkerServiceClients.

Implementations

impl DefaultChannelResolver

pub async fn get_channel( &self, url: &Url, ) -> Result<BoxCloneSyncChannel, DataFusionError>

Gets the cached BoxCloneSyncChannel for the given URL, or builds a new one.

Trait Implementations

impl ChannelResolver for DefaultChannelResolver

fn get_worker_client_for_url<'life0, 'life1, 'async_trait>( &'life0 self, url: &'life1 Url, ) -> Pin<Box<dyn Future<Output = Result<WorkerServiceClient<BoxCloneSyncChannel>, DataFusionError>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

For a given URL, get a Worker gRPC client for communicating to it.

impl Clone for DefaultChannelResolver

fn clone(&self) -> DefaultChannelResolver

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Default for DefaultChannelResolver

fn default() -> Self

Returns the “default value” for a type.