Struct InMemoryStateStore 

pub struct InMemoryStateStore { /* private fields */ }

Ephemeral, in-process StateStore. The default when no persistent backend is configured; also handy in tests.

Implementations

impl InMemoryStateStore

pub fn new() -> Self

Create an empty in-memory store.

Trait Implementations

impl Debug for InMemoryStateStore

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

Formats the value using the given formatter.

impl Default for InMemoryStateStore

fn default() -> InMemoryStateStore

Returns the “default value” for a type.

impl StateStore for InMemoryStateStore

fn get(&self, host: &str) -> Result<Option<DomainState>, Error>

Fetch the stored state for host, if any.

fn put(&self, state: &DomainState) -> Result<(), Error>

Insert or replace the state for state.host.

fn remove(&self, host: &str) -> Result<(), Error>

Delete any stored state for host (no-op if absent).

fn update( &self, host: &str, update: &mut dyn FnMut(DomainState) -> DomainState, ) -> Result<DomainState, Error>

Atomically read-modify-write the state for host.