Enum NodeState 

#[repr(u8)]
pub enum NodeState {
    Joining = 0,
    Active = 1,
    Draining = 2,
    Decommissioned = 3,
    Learner = 4,
}

Node lifecycle states.

Variants

Joining = 0

Node is connecting, receiving initial topology.

Active = 1

Node is fully operational, hosting Raft groups as voting member.

Draining = 2

Node is being decommissioned, migrating data off.

Decommissioned = 3

Node has been removed from the cluster.

Learner = 4

Node is catching up as a non-voting learner. Receives Raft log entries but doesn’t vote in elections. Promoted to Active (voting member) after state catch-up and checksum validation.

Implementations

impl NodeState

pub fn as_u8(self) -> u8

pub fn from_u8(v: u8) -> Option<Self>

pub fn is_voter(self) -> bool

Whether this node can vote in Raft elections.

pub fn receives_log(self) -> bool

Whether this node receives Raft log entries (learner + active).

Trait Implementations

impl Clone for NodeState

fn clone(&self) -> NodeState

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for NodeState

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for NodeState

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl<'__msgpack_de> FromMessagePack<'__msgpack_de> for NodeState

fn read<R: Read<'__msgpack_de>>(reader: &mut R) -> Result<Self, Error>

where Self: Sized,

Reads the MessagePack representation of this value from the provided reader.

impl PartialEq for NodeState

fn eq(&self, other: &NodeState) -> 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 NodeState

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl ToMessagePack for NodeState

fn write<W: Write>(&self, writer: &mut W) -> Result<(), Error>

Writes the MessagePack representation of this value into the provided writer.

impl Copy for NodeState

impl Eq for NodeState

impl StructuralPartialEq for NodeState