Struct tinychain::cluster::service::Service

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

A stateful collection of Chains and Scalar methods (Attrs)

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impl Service

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pub async fn get_version( &self, txn_id: TxnId, number: &VersionNumber ) -> TCResult<impl Deref<Target = Version>>

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pub async fn latest(&self, txn_id: TxnId) -> TCResult<Option<VersionNumber>>

Trait Implementations§

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impl Clone for Service

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fn clone(&self) -> Service

Returns a copy 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 Service

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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 DirItem for Service

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type Schema = InstanceClass

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type Version = Version

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fn create_version<'life0, 'life1, 'async_trait>( &'life0 self, txn: &'life1 Txn, number: VersionNumber, class: InstanceClass ) -> Pin<Box<dyn Future<Output = TCResult<Version>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Create a new Self::Version of this DirItem.
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impl Persist<CacheBlock> for Service

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type Txn = Txn<State>

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type Schema = ()

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fn create<'async_trait>( txn_id: TxnId, _schema: (), dir: Dir ) -> Pin<Box<dyn Future<Output = TCResult<Self>> + Send + 'async_trait>>
where Self: 'async_trait,

Create a new instance of Self from an empty Store.
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fn load<'async_trait>( txn_id: TxnId, _schema: (), dir: Dir ) -> Pin<Box<dyn Future<Output = TCResult<Self>> + Send + 'async_trait>>
where Self: 'async_trait,

Load a saved instance of Self from persistent storage. Should only be invoked at startup time.
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fn dir(&self) -> Inner<CacheBlock>

Access the filesystem directory backing this persistent data structure.
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fn load_or_create<'async_trait>( txn_id: TxnId, schema: Self::Schema, store: Dir<FE> ) -> Pin<Box<dyn Future<Output = Result<Self, TCError>> + Send + 'async_trait>>
where Self: Send + 'async_trait,

Load a saved instance of Self from persistent storage if present, or create a new one.
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impl Recover<CacheBlock> for Service

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type Txn = Txn<State>

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fn recover<'life0, 'life1, 'async_trait>( &'life0 self, txn: &'life1 Txn ) -> Pin<Box<dyn Future<Output = TCResult<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Recover this state after loading, in case the last transaction failed or was interrupted.
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impl Replica for Service

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fn state<'life0, 'async_trait>( &'life0 self, txn_id: TxnId ) -> Pin<Box<dyn Future<Output = TCResult<State>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

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fn replicate<'life0, 'life1, 'async_trait>( &'life0 self, txn: &'life1 Txn, source: Link ) -> Pin<Box<dyn Future<Output = TCResult<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

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impl Route<State> for Service

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fn route<'a>( &'a self, path: &'a [PathSegment] ) -> Option<Box<dyn Handler<'a, State> + 'a>>

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impl Transact for Service

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type Commit = ()

A guard which blocks concurrent commits
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fn commit<'life0, 'async_trait>( &'life0 self, txn_id: TxnId ) -> Pin<Box<dyn Future<Output = Self::Commit> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Commit this transaction.
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fn rollback<'life0, 'life1, 'async_trait>( &'life0 self, txn_id: &'life1 TxnId ) -> Pin<Box<dyn Future<Output = ()> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Roll back this transaction.
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fn finalize<'life0, 'life1, 'async_trait>( &'life0 self, txn_id: &'life1 TxnId ) -> Pin<Box<dyn Future<Output = ()> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Delete any version data specific to this transaction.

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<F, T> CastFrom<F> for T
where T: From<F>,

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fn cast_from(f: F) -> T

Cast an instance of T into an instance of Self.
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impl<T, F> CastInto<F> for T
where F: CastFrom<T>,

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fn cast_into(self) -> F

Cast an instance of Self into an instance of T.
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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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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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<F> Match for F

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fn matches<T>(&self) -> bool
where T: TryCastFrom<Self>,

Returns true if self can be cast into the target type T.
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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<State, T> Public<State> for T
where State: StateInstance, T: Route<State> + Debug,

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fn get<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, txn: &'life1 <State as StateInstance>::Txn, path: &'life2 [Id], key: Value ) -> Pin<Box<dyn Future<Output = Result<State, TCError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait, T: 'async_trait,

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fn put<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, txn: &'life1 <State as StateInstance>::Txn, path: &'life2 [Id], key: Value, value: State ) -> Pin<Box<dyn Future<Output = Result<(), TCError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait, T: 'async_trait,

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fn post<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, txn: &'life1 <State as StateInstance>::Txn, path: &'life2 [Id], params: Map<State> ) -> Pin<Box<dyn Future<Output = Result<State, TCError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait, T: 'async_trait,

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fn delete<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, txn: &'life1 <State as StateInstance>::Txn, path: &'life2 [Id], key: Value ) -> Pin<Box<dyn Future<Output = Result<(), TCError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait, T: 'async_trait,

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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<State, T> ToState<State> for T
where State: StateInstance, T: Clone + Into<State>,

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fn to_state(&self) -> State

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impl<F, T> TryCastFrom<F> for T
where T: CastFrom<F>,

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fn can_cast_from(_: &F) -> bool

Test if value can be cast into Self.
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fn opt_cast_from(f: F) -> Option<T>

Returns Some(Self) if the source value can be cast into Self, otherwise None.
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fn try_cast_from<Err, OnErr>(value: T, on_err: OnErr) -> Result<Self, Err>
where OnErr: FnOnce(&T) -> Err,

Returns Ok(Self) if the source value can be cast into Self, otherwise calls on_err.
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impl<F, T> TryCastInto<T> for F
where T: TryCastFrom<F>,

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fn can_cast_into(&self) -> bool

Test if self can be cast into T.
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fn opt_cast_into(self) -> Option<T>

Returns Some(T) if self can be cast into T, otherwise None.
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fn try_cast_into<Err, OnErr>(self, on_err: OnErr) -> Result<T, Err>
where OnErr: FnOnce(&Self) -> Err,

Returns Ok(T) if self can be cast into T, otherwise calls on_err.
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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.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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impl<T> ThreadSafe for T
where T: Send + Sync + 'static,