Struct DbSetAccess

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pub struct DbSetAccess<TKey, TData>where
    TKey: Clone + Hash + Eq + Send + Sync,
    TData: Clone + Send + Sync,
{ /* private fields */ }

Expand description

A concurrent DB store for typed set access without caching.

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impl<TKey, TData> DbSetAccess<TKey, TData>
where TKey: Clone + Hash + Eq + Send + Sync + AsRef<[u8]>, TData: Clone + Hash + Eq + Send + Sync + DeserializeOwned + Serialize,

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pub fn new(db: Arc<DB>, prefix: Vec<u8>) -> Self

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pub fn write( &self, writer: impl DbWriter, key: TKey, data: TData, ) -> Result<(), StoreError>

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pub fn delete_bucket( &self, writer: impl DbWriter, key: TKey, ) -> Result<(), StoreError>

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pub fn delete( &self, writer: impl DbWriter, key: TKey, data: TData, ) -> Result<(), StoreError>

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pub fn prefix(&self) -> &[u8] ⓘ

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pub fn bucket_iterator( &self, key: TKey, ) -> impl Iterator<Item = Result<TData, StoreError>> + '_
where TKey: Clone + AsRef<[u8]>, TData: DeserializeOwned,

Trait Implementations§

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impl<TKey, TData> Clone for DbSetAccess<TKey, TData>
where TKey: Clone + Hash + Eq + Send + Sync + Clone, TData: Clone + Send + Sync + Clone,

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fn clone(&self) -> DbSetAccess<TKey, TData>

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

Auto Trait Implementations§

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impl<TKey, TData> Freeze for DbSetAccess<TKey, TData>

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impl<TKey, TData> RefUnwindSafe for DbSetAccess<TKey, TData>
where TKey: RefUnwindSafe, TData: RefUnwindSafe,

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impl<TKey, TData> Send for DbSetAccess<TKey, TData>

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impl<TKey, TData> Sync for DbSetAccess<TKey, TData>

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impl<TKey, TData> Unpin for DbSetAccess<TKey, TData>
where TKey: Unpin, TData: Unpin,

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impl<TKey, TData> UnwindSafe for DbSetAccess<TKey, TData>
where TKey: UnwindSafe, TData: UnwindSafe,

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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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 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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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