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DbSetAccess

kaspa_database::prelude

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) -> 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

Auto Trait Implementations§

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impl<TKey, TData> Freeze for DbSetAccess<TKey, TData>
where PhantomData<(TKey, TData)>: Freeze,

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impl<TKey, TData> RefUnwindSafe for DbSetAccess<TKey, TData>
where PhantomData<(TKey, TData)>: RefUnwindSafe,

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impl<TKey, TData> Send for DbSetAccess<TKey, TData>
where PhantomData<(TKey, TData)>: Send,

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impl<TKey, TData> Sync for DbSetAccess<TKey, TData>
where PhantomData<(TKey, TData)>: Sync,

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impl<TKey, TData> Unpin for DbSetAccess<TKey, TData>
where PhantomData<(TKey, TData)>: Unpin,

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impl<TKey, TData> UnsafeUnpin for DbSetAccess<TKey, TData>
where PhantomData<(TKey, TData)>: UnsafeUnpin,

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impl<TKey, TData> UnwindSafe for DbSetAccess<TKey, TData>
where PhantomData<(TKey, 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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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> 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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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, !>

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.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V