Struct mz_txn_wal::operator::TxnsContext

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pub struct TxnsContext {
    read: Arc<OnceCell<Box<dyn Any + Send + Sync>>>,
}
Expand description

The process global TxnsRead that any operator can communicate with.

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§read: Arc<OnceCell<Box<dyn Any + Send + Sync>>>

Implementations§

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impl TxnsContext

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async fn get_or_init<T, C>( &self, client: &PersistClient, txns_id: ShardId, ) -> TxnsRead<T>
where T: Timestamp + Lattice + Codec64 + TotalOrder + StepForward + Sync, C: TxnsCodec + 'static,

Trait Implementations§

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impl Clone for TxnsContext

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fn clone(&self) -> TxnsContext

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for TxnsContext

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

Formats the value using the given formatter. Read more
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impl Default for TxnsContext

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fn default() -> TxnsContext

Returns the “default value” for a type. Read more

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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fn cast_into(self) -> U

Performs the cast.
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default unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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fn with_context(self, otel_cx: Context) -> WithContext<Self>

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fn instrument(self, span: Span) -> Instrumented<Self>

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const ALIGN: usize = _

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type Init = T

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unsafe fn init(init: <T as Pointable>::Init) -> usize

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