Struct tc_transact::lock::TxnLock

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pub struct TxnLock<T> { /* private fields */ }

Implementations

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impl<T> TxnLock<T>

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pub fn new<I: Display>(name: I, canon: T) -> Self

Create a new transactional lock.

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impl<T: Clone + PartialEq> TxnLock<T>

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pub async fn read(&self, txn_id: TxnId) -> TCResult<TxnLockReadGuard<T>>

Lock this value for reading at the given txn_id.

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pub async fn read_exclusive(
&self,
txn_id: TxnId
) -> TCResult<TxnLockReadGuardExclusive<T>>

Lock this value exclusively for reading at the given txn_id.

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pub fn try_read_exclusive(
&self,
txn_id: TxnId
) -> TCResult<TxnLockReadGuardExclusive<T>>

Lock this value exclusively for reading at the given txn_id, if possible.

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pub fn try_write(&self, txn_id: TxnId) -> TCResult<TxnLockWriteGuard<T>>

Try to acquire a write lock synchronously, if possible.

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pub async fn write(&self, txn_id: TxnId) -> TCResult<TxnLockWriteGuard<T>>

Lock this value for writing.

Trait Implementations

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impl<T: Clone> Clone for TxnLock<T>

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fn clone(&self) -> TxnLock<T>

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<T: Eq + Clone + Send + Sync> Transact for TxnLock<T>

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

Commit 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
 'life0: 'async_trait,
 'life1: 'async_trait,
 Self: 'async_trait,

Delete any version data specific to this transaction.

Auto Trait Implementations

impl<T> !RefUnwindSafe for TxnLock<T>

impl<T> Send for TxnLock<T>where
T: Send + Sync,

impl<T> Sync for TxnLock<T>where
T: Send + Sync,

impl<T> Unpin for TxnLock<T>

impl<T> !UnwindSafe for TxnLock<T>

Blanket Implementations

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impl<T> Any for Twhere
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 Twhere
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for Twhere
T: ?Sized,

const: unstable · source

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 Twhere
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 Twhere
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

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for Twhere
U: From<T>,

const: unstable · source

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) -> boolwhere
T: TryCastFrom<Self>,

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

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impl<T> Same<T> for T

type Output = T

Should always be Self

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impl<T> ToOwned for Twhere
T: Clone,

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<F, T> TryCastFrom<F> for Twhere
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 Fwhere
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 for Twhere
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

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impl<T, U> TryInto for Twhere
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct tc_transact::lock::TxnLock

Implementations

impl<T> TxnLock<T>

pub fn new<I: Display>(name: I, canon: T) -> Self

impl<T: Clone + PartialEq> TxnLock<T>

pub async fn read(&self, txn_id: TxnId) -> TCResult<TxnLockReadGuard<T>>

pub async fn read_exclusive( &self, txn_id: TxnId) -> TCResult<TxnLockReadGuardExclusive<T>>

pub fn try_read_exclusive( &self, txn_id: TxnId) -> TCResult<TxnLockReadGuardExclusive<T>>

pub fn try_write(&self, txn_id: TxnId) -> TCResult<TxnLockWriteGuard<T>>

pub async fn write(&self, txn_id: TxnId) -> TCResult<TxnLockWriteGuard<T>>

Trait Implementations

impl<T: Clone> Clone for TxnLock<T>

fn clone(&self) -> TxnLock<T>

fn clone_from(&mut self, source: &Self)

impl<T: Eq + Clone + Send + Sync> Transact for TxnLock<T>

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

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

Auto Trait Implementations

impl<T> !RefUnwindSafe for TxnLock<T>

impl<T> Send for TxnLock<T>where T: Send + Sync,

impl<T> Sync for TxnLock<T>where T: Send + Sync,

impl<T> Unpin for TxnLock<T>

impl<T> !UnwindSafe for TxnLock<T>

Blanket Implementations

impl<T> Any for Twhere T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<F, T> CastFrom<F> for Twhere T: From<F>,

fn cast_from(f: F) -> T

impl<T, F> CastInto<F> for Twhere F: CastFrom<T>,

fn cast_into(self) -> F

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for Twhere U: From<T>,

fn into(self) -> U

impl<F> Match for F

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

impl<T> Same<T> for T

type Output = T

impl<T> ToOwned for Twhere T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

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

fn can_cast_from(&F) -> bool

fn opt_cast_from(f: F) -> Option<T>

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

impl<F, T> TryCastInto<T> for Fwhere T: TryCastFrom<F>,

fn can_cast_into(&self) -> bool

fn opt_cast_into(self) -> Option<T>

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

impl<T, U> TryFrom<U> for Twhere U: Into<T>,

type Error = Infallible

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

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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

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

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

fn vzip(self) -> V

pub async fn read_exclusive(
&self,
txn_id: TxnId
) -> TCResult<TxnLockReadGuardExclusive<T>>

pub fn try_read_exclusive(
&self,
txn_id: TxnId
) -> TCResult<TxnLockReadGuardExclusive<T>>

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

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

impl<T> Send for TxnLock<T>where
T: Send + Sync,

impl<T> Sync for TxnLock<T>where
T: Send + Sync,

impl<T> Any for Twhere
T: 'static + ?Sized,

impl<T> Borrow<T> for Twhere
T: ?Sized,

impl<T> BorrowMut<T> for Twhere
T: ?Sized,

impl<F, T> CastFrom<F> for Twhere
T: From<F>,

impl<T, F> CastInto<F> for Twhere
F: CastFrom<T>,

impl<T, U> Into<U> for Twhere
U: From<T>,

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

impl<T> ToOwned for Twhere
T: Clone,

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

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

impl<F, T> TryCastInto<T> for Fwhere
T: TryCastFrom<F>,

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

impl<T, U> TryFrom<U> for Twhere
U: Into<T>,

impl<T, U> TryInto<U> for Twhere
U: TryFrom<T>,

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