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ReplicaSnapshot

Struct ReplicaSnapshot 

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pub struct ReplicaSnapshot {
Show 14 fields pub scope: Scope, pub status: Status, pub journal: JournalSnapshot, pub accepted: Prefix, pub committed: Prefix, pub applied: Prefix, pub pending_operations: usize, pub pending_body_bytes: usize, pub live_base: OpNumber, pub retained_limits: PipelineLimits, pub journal_tail: Option<Prefix>, pub backups: Option<[(NodeId, OpNumber); 2]>, pub known_commit: OpNumber, pub ready_for_appends: bool,
}
Expand description

Read-only normal state, suitable for adapter scheduling and invariant checks.

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§scope: Scope

Current group/configuration/view identity.

§status: Status

Whether normal protocol actions are still allowed.

§journal: JournalSnapshot

Independent local write and synchronization evidence.

§accepted: Prefix

Highest validated, contiguous canonical operation.

§committed: Prefix

Highest contiguous quorum-committed operation under the configured policy.

§applied: Prefix

Highest operation reported applied by the deterministic state adapter.

§pending_operations: usize

Retained live descriptors awaiting application or local persistence. Excludes a disk-backed journal_tail.

§pending_body_bytes: usize

Live canonical body bytes reserved in the external payload adapter.

§live_base: OpNumber

Operations above this number occupy the primary’s live window: the commit it announced or the released prefix, whichever is later.

§retained_limits: PipelineLimits

Descriptor and body capacity this role retains beyond its released prefix.

§journal_tail: Option<Prefix>

Installed/recovered suffix retained only in the journal, not the live descriptor ring. Fresh work waits until this entire tail is applied.

§backups: Option<[(NodeId, OpNumber); 2]>

Primary only: the highest operation each backup acknowledged.

§known_commit: OpNumber

Highest commit the primary announced, as this replica knows it.

§ready_for_appends: bool

Whether new operations may be admitted. Duplicates can still be retried while an installed primary reestablishes its selected-tail quorum. Entries inside a disk-backed tail require journal lookup, not descriptor retries.

Trait Implementations§

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impl Clone for ReplicaSnapshot

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Copy for ReplicaSnapshot

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impl Debug for ReplicaSnapshot

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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 Eq for ReplicaSnapshot

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impl PartialEq for ReplicaSnapshot

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more
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impl StructuralPartialEq for ReplicaSnapshot

Auto Trait Implementations§

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

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

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

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impl<T> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.