Struct StateMachine 

pub struct StateMachine { /* private fields */ }

The replicated state machine.

Implementations

impl StateMachine

pub fn new() -> Self

Create a new state machine.

pub fn apply(&self, command: &Command, index: u64) -> CommandResult

Apply a command to the state machine.

pub fn get(&self, key: &str) -> Option<Vec<u8>>

Get a value from the state machine.

pub fn last_applied(&self) -> u64

Get the last applied index.

pub fn version(&self) -> u64

Get the current version.

pub fn len(&self) -> usize

Get the number of keys.

pub fn is_empty(&self) -> bool

Check if the state machine is empty.

pub fn snapshot(&self) -> Snapshot

Take a snapshot of the state.

pub fn restore(&self, snapshot: Snapshot)

Restore from a snapshot.

Trait Implementations

impl Default for StateMachine

fn default() -> Self

Returns the “default value” for a type.