Struct StateStore 

pub struct StateStore { /* private fields */ }

state store wrapper with load/save helpers.

Implementations

impl StateStore

pub fn new(backend: Option<Arc<dyn StateBackend>>, data: StateData) -> Self

create a new state store with an optional backend.

pub fn load(path: impl AsRef<Path>) -> Result<Self>

load state from a file path.

pub async fn load_postgres( url: impl Into<String>, key: impl Into<String>, tls_mode: PostgresTlsMode, ) -> Result<Self>

load state from a postgres backend.

pub async fn load_async(&mut self) -> Result<()>

load state from the configured backend.

pub async fn save_async(&self) -> Result<()>

persist state to the configured backend.

pub fn backend_id(&self, type_name: TypeName, uid: Uid) -> Option<BackendId>

lookup a backend id by type + uid.

pub fn set_backend_id( &mut self, type_name: TypeName, uid: Uid, backend_id: BackendId, )

set a backend id mapping.

pub fn remove_backend_id(&mut self, type_name: TypeName, uid: Uid)

remove a backend id mapping.

pub fn all_mappings(&self) -> &BTreeMap<TypeName, BTreeMap<Uid, BackendId>>

return all mappings for external use.

Trait Implementations

impl Clone for StateStore

fn clone(&self) -> StateStore

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for StateStore

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

Formats the value using the given formatter.