Struct mz_persist::mem::MemLog

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pub struct MemLog { /* private fields */ }

Expand description

An in-memory implementation of Log.

Implementations

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impl MemLog

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pub fn new(lock_info: LockInfo) -> Self

Constructs a new, empty MemLog.

Trait Implementations

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impl Debug for MemLog

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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 Drop for MemLog

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fn drop(&mut self)

Executes the destructor for this type. Read more

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impl Log for MemLog

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fn write_sync(&mut self, buf: Vec<u8>) -> Result<SeqNo, Error>

Synchronously appends an entry. Read more

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fn snapshot<F>(&self, logic: F) -> Result<Range<SeqNo>, Error> where
F: FnMut(SeqNo, &[u8 ]) -> Result<(), Error>,

Returns a consistent snapshot of all written but not yet truncated entries. Read more

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fn truncate(&mut self, upper: SeqNo) -> Result<(), Error>

Removes all entries with a SeqNo strictly less than the given upper bound. Read more

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fn close(&mut self) -> Result<bool, Error>

Synchronously closes the log, releasing exclusive-writer locks and causing all future commands to error. Read more

Auto Trait Implementations

impl RefUnwindSafe for MemLog

impl Send for MemLog

impl Sync for MemLog

impl Unpin for MemLog

impl UnwindSafe for MemLog

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,

const: unstable · source

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,

const: unstable · source

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

Mutably borrows from an owned value. Read more

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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> FutureExt for T

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fn with_context(self, otel_cx: Context) -> WithContext<Self>

Attaches the provided Context to this type, returning a WithContext wrapper. Read more

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fn with_current_context(self) -> WithContext<Self>

Attaches the current Context to this type, returning a WithContext wrapper. Read more

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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 for T where
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<T> IntoRequest<T> for T

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fn into_request(self) -> Request<T>

Wrap the input message T in a tonic::Request

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impl<T> Same<T> for T

type Output = T

Should always be Self

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impl<T, U> TryFrom for T where
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 T where
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.

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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

Struct mz_persist::mem::MemLog

Implementations

impl MemLog

pub fn new(lock_info: LockInfo) -> Self

Trait Implementations

impl Debug for MemLog

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl Drop for MemLog

fn drop(&mut self)

impl Log for MemLog

fn write_sync(&mut self, buf: Vec<u8>) -> Result<SeqNo, Error>

fn snapshot<F>(&self, logic: F) -> Result<Range<SeqNo>, Error> where F: FnMut(SeqNo, &[u8]) -> Result<(), Error>,

fn truncate(&mut self, upper: SeqNo) -> Result<(), Error>

fn close(&mut self) -> Result<bool, Error>

Auto Trait Implementations

impl RefUnwindSafe for MemLog

impl Send for MemLog

impl Sync for MemLog

impl Unpin for MemLog

impl UnwindSafe for MemLog

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> FutureExt for T

fn with_context(self, otel_cx: Context) -> WithContext<Self>

fn with_current_context(self) -> WithContext<Self>

impl<T> Instrument for T

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

fn in_current_span(self) -> Instrumented<Self>

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

fn into(self) -> U

impl<T> IntoRequest<T> for T

fn into_request(self) -> Request<T>

impl<T> Same<T> for T

type Output = T

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

type Error = Infallible

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

impl<T, U> TryInto<U> for T where 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 T where V: MultiLane<T>,

fn vzip(self) -> V

impl<T> WithSubscriber for T

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

fn with_current_subscriber(self) -> WithDispatch<Self>

fn snapshot<F>(&self, logic: F) -> Result<Range<SeqNo>, Error> where
F: FnMut(SeqNo, &[u8 ]) -> Result<(), Error>,

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

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

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

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

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

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

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

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