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Checkpoint

Struct Checkpoint 

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pub struct Checkpoint {
    pub last_completed_step: Option<String>,
    pub completed_steps: Vec<String>,
    pub in_progress_step: Option<String>,
    pub cursor_step: Option<String>,
    pub cursor: Option<Vec<u8>>,
    pub schema_version: u32,
    pub step_set_hash: String,
    pub crashes_by_step: Vec<(String, u32)>,
}
Expand description

Durable progress within a resumable job.

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§last_completed_step: Option<String>§completed_steps: Vec<String>

Completed steps in execution order. Replay compares them positionally.

§in_progress_step: Option<String>

The step recorded before its side effects began.

§cursor_step: Option<String>§cursor: Option<Vec<u8>>

Stored outside checkpoint JSON to avoid base64 encoding native binary data.

§schema_version: u32§step_set_hash: String§crashes_by_step: Vec<(String, u32)>

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impl Checkpoint

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pub fn resumability( &self, current_version: u32, current_step_set_hash: &str, ) -> Resume

Decide whether a checkpoint can continue against the current task definition.

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impl Clone for Checkpoint

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fn clone(&self) -> Checkpoint

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 Debug for Checkpoint

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

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

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fn default() -> Checkpoint

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

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fn eq(&self, other: &Checkpoint) -> 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 Checkpoint

Auto Trait Implementations§

Blanket 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<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, 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> Same for T

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type Output = T

Should always be Self
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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, <T as TryFrom<U>>::Error>

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.