Struct Journal

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pub struct Journal { /* private fields */ }

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impl Journal

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pub fn open(path: &Path) -> Result<Self, String>

Exclusive process lock prevents two showcase processes sharing the same store. Existing data is never repaired, reset or deleted automatically.

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pub fn load(&self) -> Option<Value>

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pub fn latest(&self) -> Option<Receipt>

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pub fn commit( &self, state: Value, action: &Action, source: Source, ) -> Result<Receipt, String>

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pub fn history(&self, limit: usize) -> Vec<Value>

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pub fn state_as_of(&self, seq: u64) -> Option<Value>

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pub fn verify(&self) -> Result<usize, String>

Auto Trait Implementations§

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impl UnsafeUnpin for Journal

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

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fn type_id(&self) -> TypeId

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where T: ?Sized,

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

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impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
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where T: Any,

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Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.

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Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.

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Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.

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fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Send + Sync> ⓘ

Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait.

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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<A, B, T> HttpServerConnExec<A, B> for T
where B: Body,

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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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Calls U::from(self).

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
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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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