Struct mz_persist_client::internal::state::TypedState

source ·
pub struct TypedState<K, V, T, D> {
    pub(crate) state: State<T>,
    pub(crate) _phantom: PhantomData<fn() -> (K, V, D)>,
}
Expand description

A newtype wrapper of State that guarantees the K, V, and D codecs match the ones in durable storage.

Fields§

§state: State<T>§_phantom: PhantomData<fn() -> (K, V, D)>

Implementations§

source§

impl<K, V, T: Clone, D> TypedState<K, V, T, D>

source

pub(crate) fn clone(&self, applier_version: Version, hostname: String) -> Self

source

pub(crate) fn clone_for_rollup(&self) -> Self

source§

impl<K, V, T, D> TypedState<K, V, T, D>
where K: Codec, V: Codec, T: Timestamp + Lattice + Codec64, D: Codec64,

source

pub fn new( applier_version: Version, shard_id: ShardId, hostname: String, walltime_ms: u64, ) -> Self

source

pub fn clone_apply<R, E, WorkFn>( &self, cfg: &PersistConfig, work_fn: &mut WorkFn, ) -> ControlFlow<E, (R, Self)>
where WorkFn: FnMut(SeqNo, &PersistConfig, &mut StateCollections<T>) -> ControlFlow<E, R>,

Methods from Deref<Target = State<T>>§

source

pub fn shard_id(&self) -> ShardId

source

pub fn seqno(&self) -> SeqNo

source

pub fn since(&self) -> &Antichain<T>

source

pub fn upper(&self) -> &Antichain<T>

source

pub fn spine_batch_count(&self) -> usize

source

pub fn size_metrics(&self) -> StateSizeMetrics

source

pub fn latest_rollup(&self) -> (&SeqNo, &HollowRollup)

source

pub(crate) fn seqno_since(&self) -> SeqNo

source

pub fn maybe_gc(&mut self, is_write: bool) -> Option<GcReq>

source

pub fn seqnos_held(&self) -> usize

Return the number of gc-ineligible state versions.

source

pub fn expire_at(&mut self, walltime_ms: EpochMillis) -> ExpiryMetrics

Expire all readers and writers up to the given walltime_ms.

source

pub fn snapshot( &self, as_of: &Antichain<T>, ) -> Result<Vec<HollowBatch<T>>, SnapshotErr<T>>

Returns the batches that contain updates up to (and including) the given as_of. The result Vec contains blob keys, along with a Description of what updates in the referenced parts are valid to read.

source

pub fn verify_listen( &self, as_of: &Antichain<T>, ) -> Result<Result<(), Upper<T>>, Since<T>>

source

pub fn next_listen_batch( &self, frontier: &Antichain<T>, ) -> Result<HollowBatch<T>, SeqNo>

source

pub fn need_rollup(&self, threshold: usize) -> Option<SeqNo>

source

pub(crate) fn blobs(&self) -> impl Iterator<Item = HollowBlobRef<'_, T>>

source

pub fn apply_encoded_diffs<'a, I: IntoIterator<Item = &'a VersionedData>>( &mut self, cfg: &PersistConfig, metrics: &Metrics, diffs: I, )

source

pub fn apply_diffs<I: IntoIterator<Item = (StateDiff<T>, Bytes)>>( &mut self, metrics: &Metrics, diffs: I, )

source

pub(super) fn apply_diff( &mut self, metrics: &Metrics, diff: StateDiff<T>, ) -> Result<(), String>

Trait Implementations§

source§

impl<K, V, T: Debug, D> Debug for TypedState<K, V, T, D>

source§

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

Formats the value using the given formatter. Read more
source§

impl<K, V, T, D> Deref for TypedState<K, V, T, D>

§

type Target = State<T>

The resulting type after dereferencing.
source§

fn deref(&self) -> &Self::Target

Dereferences the value.
source§

impl<K, V, T, D> DerefMut for TypedState<K, V, T, D>

source§

fn deref_mut(&mut self) -> &mut Self::Target

Mutably dereferences the value.
source§

impl<K, V, T, D> From<TypedState<K, V, T, D>> for UntypedState<T>
where K: Codec, V: Codec, T: Codec64, D: Codec64,

source§

fn from(typed_state: TypedState<K, V, T, D>) -> Self

Converts to this type from the input type.
source§

impl<K, V, T: PartialEq, D> PartialEq for TypedState<K, V, T, D>

source§

fn eq(&self, other: &Self) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 · source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

Auto Trait Implementations§

§

impl<K, V, T, D> Freeze for TypedState<K, V, T, D>
where T: Freeze,

§

impl<K, V, T, D> RefUnwindSafe for TypedState<K, V, T, D>
where T: RefUnwindSafe,

§

impl<K, V, T, D> Send for TypedState<K, V, T, D>
where T: Send + Sync,

§

impl<K, V, T, D> Sync for TypedState<K, V, T, D>
where T: Sync + Send,

§

impl<K, V, T, D> Unpin for TypedState<K, V, T, D>
where T: Unpin,

§

impl<K, V, T, D> UnwindSafe for TypedState<K, V, T, D>

Blanket Implementations§

source§

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

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

impl<T> Borrow<T> for T
where T: ?Sized,

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
source§

impl<T, U> CastInto<U> for T
where U: CastFrom<T>,

source§

fn cast_into(self) -> U

Performs the cast.
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

impl<T> FutureExt for T

source§

fn with_context(self, otel_cx: Context) -> WithContext<Self>

Attaches the provided Context to this type, returning a WithContext wrapper. Read more
source§

fn with_current_context(self) -> WithContext<Self>

Attaches the current Context to this type, returning a WithContext wrapper. Read more
source§

impl<T> Instrument for T

source§

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

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
source§

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
source§

impl<T, U> Into<U> for T
where U: From<T>,

source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

source§

impl<T> IntoRequest<T> for T

source§

fn into_request(self) -> Request<T>

Wrap the input message T in a tonic::Request
source§

impl<Unshared, Shared> IntoShared<Shared> for Unshared
where Shared: FromUnshared<Unshared>,

source§

fn into_shared(self) -> Shared

Creates a shared type from an unshared type.
source§

impl<T> Pointable for T

source§

const ALIGN: usize = _

The alignment of pointer.
§

type Init = T

The type for initializers.
source§

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

Initializes a with the given initializer. Read more
source§

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
source§

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
source§

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
source§

impl<P, R> ProtoType<R> for P
where R: RustType<P>,

source§

impl<T> Same for T

§

type Output = T

Should always be Self
source§

impl<'a, S, T> Semigroup<&'a S> for T
where T: Semigroup<S>,

source§

fn plus_equals(&mut self, rhs: &&'a S)

The method of std::ops::AddAssign, for types that do not implement AddAssign.
source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
source§

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

source§

fn vzip(self) -> V

source§

impl<T> WithSubscriber for T

source§

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
source§

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
source§

impl<T> Allocation for T
where T: RefUnwindSafe + Send + Sync,