Struct StorageVirtualNodes 

pub struct StorageVirtualNodes { /* private fields */ }

Storage-owner registry for derived virtual positions.

Implementations

impl StorageVirtualNodes

pub fn new(config: VirtualNodeConfig) -> Self

Create an empty registry.

pub fn from_owners( config: VirtualNodeConfig, owners: impl IntoIterator<Item = Did>, ) -> Self

Create a registry from known physical owners.

pub const fn config(&self) -> VirtualNodeConfig

Return the active configuration.

pub const fn is_enabled(&self) -> bool

Returns whether this registry enables virtual storage ownership.

pub fn register_owner(&mut self, owner_did: Did)

Register one physical owner.

Post: if virtual nodes are disabled, the registry is unchanged.

pub fn unregister_owner(&mut self, owner_did: Did)

Remove one physical owner.

pub fn contains_owner(&self, owner_did: Did) -> bool

Returns whether this physical owner is registered.

pub fn positions_for_owner(&self, owner_did: Did) -> Vec<VirtualNode>

Return all virtual positions for owner_did.

pub fn positions(&self) -> Vec<VirtualNode>

Return all registered virtual positions.

pub fn owner_for_key(&self, key: Did) -> Option<Did>

Resolve the physical owner responsible for key.

This uses Chord successor ownership: the selected virtual position is the registered position with minimum clockwise distance from key.

Trait Implementations

impl Clone for StorageVirtualNodes

fn clone(&self) -> StorageVirtualNodes

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for StorageVirtualNodes

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

Formats the value using the given formatter.

impl Eq for StorageVirtualNodes

impl PartialEq for StorageVirtualNodes

fn eq(&self, other: &StorageVirtualNodes) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for StorageVirtualNodes