Struct VectorClock 

pub struct VectorClock { /* private fields */ }

A vector clock: maps node_id to logical timestamp.

Implementations

impl VectorClock

pub fn new() -> Self

Create a new, empty vector clock.

pub fn tick(&mut self, node: impl Into<String>)

Increment this node’s logical timestamp by 1.

Arguments

• node — Identifier for the node performing the event.

pub fn get(&self, node: &str) -> u64

Get a node’s current timestamp. Returns 0 for unknown nodes.

Arguments

• node — Node identifier to query.

pub fn merge(&self, other: &VectorClock) -> VectorClock

Merge two clocks, taking the component-wise maximum.

The operation is commutative, associative, and idempotent.

Returns

A new VectorClock representing the merged state.

pub fn compare(&self, other: &VectorClock) -> ClockOrder

Compare two clocks to determine causal ordering.

Returns

A ClockOrder variant describing the relationship.

pub fn node_count(&self) -> usize

Return the number of distinct nodes tracked by this clock.

Trait Implementations

impl Clone for VectorClock

fn clone(&self) -> VectorClock

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for VectorClock

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

Formats the value using the given formatter.

impl Default for VectorClock

fn default() -> VectorClock

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for VectorClock

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for VectorClock

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for VectorClock

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl Eq for VectorClock

impl StructuralPartialEq for VectorClock