Struct tinychain::txn::Txn[−][src]

pub struct Txn { /* fields omitted */ }
Expand description

A transaction context.

Implementations

impl Txn[src]

pub fn ref_count(&self) -> usize[src]

Return the current number of strong references to this Txn.

pub async fn claim(
    self,
    actor: &Actor,
    cluster_path: TCPathBuf
) -> TCResult<Self>[src]

Claim ownership of this transaction.

pub async fn grant(
    &self,
    actor: &Actor,
    cluster_path: TCPathBuf,
    scopes: Vec<Scope>
) -> TCResult<Self>[src]

pub fn is_owner(&self, cluster_path: &[PathSegment]) -> bool[src]

Check if the cluster at the specified path on this host is the owner of the transaction.

pub fn owner(&self) -> Option<&Link>[src]

Return the owner of this transaction, if there is one.

Return a link to the given path on this host.

pub fn request(&self) -> &Request[src]

Return the Request which initiated this transaction on this host.

pub async fn get(&self, link: Link, key: Value) -> TCResult<State>[src]

Resolve a GET op within this transaction context.

pub async fn put(&self, link: Link, key: Value, value: State) -> TCResult<()>[src]

Resolve a PUT op within this transaction context.

pub async fn post(&self, link: Link, params: State) -> TCResult<State>[src]

Resolve a POST op within this transaction context.

pub async fn delete(&self, link: Link, key: Value) -> TCResult<()>[src]

Resolve a DELETE op within this transaction context.

Trait Implementations

impl Clone for Txn[src]

fn clone(&self) -> Txn[src]

Returns a copy of the value. Read more

fn clone_from(&mut self, source: &Self)1.0.0[src]

Performs copy-assignment from source. Read more

impl Hash for Txn[src]

fn hash<H: Hasher>(&self, state: &mut H)[src]

Feeds this value into the given Hasher. Read more

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 1.3.0[src]

Feeds a slice of this type into the given Hasher. Read more

Auto Trait Implementations

impl !RefUnwindSafe for Txn

impl Send for Txn

impl Sync for Txn

impl Unpin for Txn

impl !UnwindSafe for Txn

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized, [src]

pub fn type_id(&self) -> TypeId[src]

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
    T: ?Sized, [src]

pub fn borrow(&self) -> &T[src]

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]

pub fn borrow_mut(&mut self) -> &mut T[src]

Mutably borrows from an owned value. Read more

impl<F, T> CastFrom<F> for T where
    T: From<F>, [src]

pub fn cast_from(f: F) -> T[src]

impl<T, F> CastInto<F> for T where
    F: CastFrom<T>, [src]

pub fn cast_into(self) -> F[src]

impl<T> From<T> for T[src]

pub fn from(t: T) -> T[src]

Performs the conversion.

impl<T> Instrument for T[src]

fn instrument(self, span: Span) -> Instrumented<Self>[src]

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self>[src]

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

impl<T, U> Into<U> for T where
    U: From<T>, [src]

pub fn into(self) -> U[src]

Performs the conversion.

impl<F> Match for F[src]

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

Returns true if self can be cast into the target type T.

impl<T> Same<T> for T

type Output = T

Should always be Self

impl<T> ToOwned for T where
    T: Clone, [src]

type Owned = T

The resulting type after obtaining ownership.

pub fn to_owned(&self) -> T[src]

Creates owned data from borrowed data, usually by cloning. Read more

pub fn clone_into(&self, target: &mut T)[src]

🔬 This is a nightly-only experimental API. (toowned_clone_into)

recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<F, T> TryCastFrom<F> for T where
    T: CastFrom<F>, [src]

pub fn can_cast_from(&F) -> bool[src]

Test if value can be cast into Self.

pub fn opt_cast_from(f: F) -> Option<T>[src]

Returns Some(Self) if the source value can be cast into Self, otherwise None.

fn try_cast_from<Err, OnErr>(value: T, on_err: OnErr) -> Result<Self, Err> where
    OnErr: FnOnce(&T) -> Err, [src]

Returns Ok(Self) if the source value can be cast into Self, otherwise calls on_err.

impl<F, T> TryCastInto<T> for F where
    T: TryCastFrom<F>, [src]

pub fn can_cast_into(&self) -> bool[src]

Test if self can be cast into T.

pub fn opt_cast_into(self) -> Option<T>[src]

Returns Some(T) if self can be cast into T, otherwise None.

fn try_cast_into<Err, OnErr>(self, on_err: OnErr) -> Result<T, Err> where
    OnErr: FnOnce(&Self) -> Err, [src]

Returns Ok(T) if self can be cast into T, otherwise calls on_err.

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src]

type Error = Infallible

The type returned in the event of a conversion error.

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]

Performs the conversion.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]

Performs the conversion.

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

pub fn vzip(self) -> V