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MemoryBackend

Struct MemoryBackend 

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

Deterministic law-reference backend. It is deliberately not durable.

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impl MemoryBackend

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pub fn new() -> Self

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impl Default for MemoryBackend

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fn default() -> MemoryBackend

Returns the “default value” for a type. Read more
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impl JournalBackend for MemoryBackend

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fn acquire_lease(&self) -> Result<Lease, JournalError>

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fn read_state(&self) -> Result<StoredState, JournalError>

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fn admit(&self, admission: Admission) -> Result<JournalHead, JournalError>

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fn put_datum( &self, object: JournalObject, ) -> Result<StoredDatumRef, JournalError>

Durably publishes one immutable semantic object without making it a journal retention root.
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fn get_datum(&self, meaning: &ContentId) -> Result<Datum, JournalError>

Resolves one semantic object by meaning, returning an owned Datum.
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fn rebuild_datum_index(&self) -> Result<Vec<StoredDatumRef>, JournalError>

Rebuilds and verifies the derived semantic-to-storage correspondence.

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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<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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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<T> Same for T

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type Output = T

Should always be Self
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

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.