TaskLeaseGuard

Struct TaskLeaseGuard 

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pub struct TaskLeaseGuard { /* private fields */ }
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Shared in-memory lease guard observed by task code and heartbeat code.

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impl TaskLeaseGuard

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pub fn new(lease: TaskLease, renewal_timeout: Duration) -> Self

Creates a guard with the provided renewal timeout.

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pub fn with_shutdown_token( lease: TaskLease, renewal_timeout: Duration, shutdown_token: CancellationToken, ) -> Self

Creates a guard that also observes worker shutdown.

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pub const fn lease(&self) -> TaskLease

Returns the persisted lease represented by this guard.

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pub fn record_renewed(&self)

Records a successful persistent lease renewal.

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pub fn mark_lost(&self) -> TaskCoreError

Marks the lease as lost and returns the corresponding error.

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pub fn mark_shutdown_requested(&self) -> TaskCoreError

Marks worker shutdown and returns the corresponding error.

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pub fn ensure_active(&self) -> Result<()>

Returns success only while the lease is still safe for writes.

§Errors

Returns TaskCoreError when the lease has been lost or cancellation was requested.

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impl Clone for TaskLeaseGuard

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fn clone(&self) -> TaskLeaseGuard

Returns a duplicate 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 TaskLeaseGuard

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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<T> Any for T
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where T: ?Sized,

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fn borrow(&self) -> &T

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impl<T> BorrowMut<T> for T
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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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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<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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type Output = T

Should always be Self
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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

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type Error = Infallible

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

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impl<T, U> TryInto<U> for T
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type Error = <U as TryFrom<T>>::Error

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