Struct VectorClock 

pub struct VectorClock { /* private fields */ }

A vector clock for tracking causality between events.

Implementations

impl VectorClock

pub fn new() -> Self

Create a new empty vector clock.

pub fn with_node(node_id: &NodeId) -> Self

Create a vector clock with initial node.

pub fn increment(&mut self, node_id: &NodeId)

Increment the clock for a node.

pub fn get(&self, node_id: &NodeId) -> u64

Get the clock value for a node.

pub fn set(&mut self, node_id: &NodeId, value: u64)

Set the clock value for a node.

pub fn merge(&mut self, other: &VectorClock)

Merge with another vector clock (take maximum of each component).

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

Create a merged clock without modifying self.

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

Check if this clock happened before another.

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

Check if this clock happened after another.

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

Check if two clocks are concurrent (neither happened before the other).

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

Check if two clocks are identical.

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

Compare two vector clocks.

pub fn node_count(&self) -> usize

Get the number of nodes tracked.

pub fn nodes(&self) -> Vec<String>

Get all nodes in this clock.

pub fn max_value(&self) -> u64

Get the maximum clock value across all nodes.

pub fn sum(&self) -> u64

Get the sum of all clock values.

pub fn is_empty(&self) -> bool

Check if the clock is empty (all zeros or no entries).

pub fn reset(&mut self)

Reset all clock values to zero.

pub fn remove(&mut self, node_id: &NodeId)

Remove a node from the 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: &Self) -> 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 PartialOrd for VectorClock

fn partial_cmp(&self, other: &Self) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

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