ChangeBatch

Struct ChangeBatch 

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pub struct ChangeBatch { /* private fields */ }
Expand description

One durable batch from an anchored backend change stream.

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impl ChangeBatch

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pub const fn new( changes: Vec<CloudChange>, next_cursor: ChangeCursor, has_more: bool, ) -> Self

Creates a change batch. The cursor becomes active only after effects are durably replayable.

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pub fn changes(&self) -> &[CloudChange]

Returns changes in backend-defined application order.

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pub const fn next_cursor(&self) -> &ChangeCursor

Returns the checkpoint following this batch.

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pub const fn has_more(&self) -> bool

Returns whether another batch is immediately available.

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pub fn into_parts(self) -> (Vec<CloudChange>, ChangeCursor, bool)

Consumes the batch and returns its changes, next cursor, and continuation flag.

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impl Clone for ChangeBatch

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fn clone(&self) -> ChangeBatch

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 ChangeBatch

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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 PartialEq for ChangeBatch

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

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

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impl StructuralPartialEq for ChangeBatch

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> 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 = 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>

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.