Enum NodeRole 

pub enum NodeRole {
    Leader,
    Follower,
    Candidate,
    Observer,
}

Role of a node in the cluster.

Variants

Leader

The current cluster leader.

Follower

A regular member that follows the leader.

Candidate

A node seeking election to become leader.

Observer

A read-only observer that does not participate in elections.

Implementations

impl NodeRole

pub fn can_vote(&self) -> bool

Returns true if this node can participate in voting.

pub fn is_leader(&self) -> bool

Returns true if this node is the cluster leader.

pub fn name(&self) -> &str

Returns a human-readable name for the role.

Trait Implementations

impl Clone for NodeRole

fn clone(&self) -> NodeRole

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for NodeRole

impl Debug for NodeRole

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

Formats the value using the given formatter.

impl Display for NodeRole

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

Formats the value using the given formatter.

impl Eq for NodeRole

impl PartialEq for NodeRole

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for NodeRole