Struct NullStateMachine

pub struct NullStateMachine;

A state machine with no states.

Trait Implementations

impl Debug for NullStateMachine

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

Formats the value using the given formatter.

impl StateMachine for NullStateMachine

fn apply(&mut self, _command: &[u8]) -> Vec<u8>

Applies a command to the state machine. Returns an application-specific result value.

fn query(&self, _query: &[u8]) -> Vec<u8>

Queries a value of the state machine. Does not go through the durable log, or mutate the state machine. Returns an application-specific result value.

fn snapshot(&self) -> Vec<u8>

Take a snapshot of the state machine.

fn restore_snapshot(&mut self, _snapshot: Vec<u8>)

Restore a snapshot of the state machine.