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DoubletsLinkStore

Struct DoubletsLinkStore 

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pub struct DoubletsLinkStore { /* private fields */ }
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File-mapped binary storage backed by doublets-rs.

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impl DoubletsLinkStore

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pub fn create_file(path: impl AsRef<Path>) -> Result<Self, StorageError>

Creates a new empty file-mapped doublets store at path.

Any existing file at path is removed first.

§Errors

Returns StorageError when the file cannot be created or initialized.

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pub fn open_file(path: impl AsRef<Path>) -> Result<Self, StorageError>

Opens an existing file-mapped doublets store, creating the file when it does not yet exist.

§Errors

Returns StorageError when the file cannot be opened or the doublets store cannot be initialized.

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pub fn replace_with_network( &mut self, network: &LinkNetwork, ) -> Result<(), StorageError>

Replaces the logical binary contents with a lossless encoding of network.

§Errors

Returns StorageError when the file-mapped doublets store cannot be updated.

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pub fn snapshot_path(path: impl AsRef<Path>) -> PathBuf

Returns the durable companion snapshot path for a doublets store path.

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pub fn to_network(&self) -> Result<LinkNetwork, StorageError>

Reconstructs a LinkNetwork from this binary store.

§Errors

Returns StorageError when the binary data is malformed.

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pub fn create_with_id( &mut self, id: LinkId, references: &[LinkId], metadata: &LinkMetadata, registered_term: bool, ) -> Result<(), StorageError>

Creates a logical link using an explicit id.

This is used by network import paths to preserve text and binary id equivalence. Normal callers can use LinkStore::create.

§Errors

Returns StorageError when the id already exists or the backend cannot write the physical records.

Trait Implementations§

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impl LinkStore for DoubletsLinkStore

Available on crate feature doublets only.
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fn create( &mut self, references: &[LinkId], metadata: LinkMetadata, ) -> Result<LinkId, StorageError>

Creates a link and returns its stable id. Read more
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fn read(&self, id: LinkId) -> Result<Option<Link>, StorageError>

Reads a link by id. Read more
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fn update( &mut self, id: LinkId, references: &[LinkId], metadata: LinkMetadata, ) -> Result<bool, StorageError>

Replaces an existing link’s references and metadata. Read more
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fn delete(&mut self, id: LinkId) -> Result<bool, StorageError>

Deletes a link by id. Read more
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fn search(&self, query: &LinkStoreQuery) -> Result<Vec<Link>, StorageError>

Returns links matching query. Read more
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fn count(&self, query: &LinkStoreQuery) -> Result<usize, StorageError>

Counts links matching query. Read more

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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> ArchivePointee for T

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type ArchivedMetadata = ()

The archived version of the pointer metadata for this type.
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fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata, ) -> <T as Pointee>::Metadata

Converts some archived metadata to the pointer metadata for itself.
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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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fn borrow_mut(&mut self) -> &mut T

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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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Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

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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impl<T> LayoutRaw for T

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fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>

Returns the layout of the type.
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impl<T, N1, N2> Niching<NichedOption<T, N1>> for N2
where T: SharedNiching<N1, N2>, N1: Niching<T>, N2: Niching<T>,

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unsafe fn is_niched(niched: *const NichedOption<T, N1>) -> bool

Returns whether the given value has been niched. Read more
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fn resolve_niched(out: Place<NichedOption<T, N1>>)

Writes data to out indicating that a T is niched.
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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> Pointee for T

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type Metadata = ()

The metadata type for pointers and references to this type.
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impl<T, U> TryFrom<U> for T
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type Error = Infallible

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

Performs the conversion.
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impl<T, U> TryInto<U> for 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.