Struct FilePersistence 

pub struct FilePersistence { /* private fields */ }

File-based state persistence.

Implementations

impl FilePersistence

pub fn new(directory: impl Into<PathBuf>) -> Self

Create a new file-based persistence store.

pub async fn ensure_dir(&self) -> Result<(), PersistenceError>

Ensure the directory exists.

Trait Implementations

impl<State, End> StatePersistence<State, End> for FilePersistence

where State: Serialize + DeserializeOwned + Send + Sync + 'static, End: Serialize + DeserializeOwned + Send + Sync + 'static,

fn save_state<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, run_id: &'life1 str, state: &'life2 State, step: u32, ) -> Pin<Box<dyn Future<Output = Result<(), PersistenceError>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

Save state for a run.

fn load_state<'life0, 'life1, 'async_trait>( &'life0 self, run_id: &'life1 str, ) -> Pin<Box<dyn Future<Output = Result<Option<(State, u32)>, PersistenceError>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Load state for a run.

fn save_result<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, run_id: &'life1 str, result: &'life2 End, ) -> Pin<Box<dyn Future<Output = Result<(), PersistenceError>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

Save the final result.

fn load_result<'life0, 'life1, 'async_trait>( &'life0 self, run_id: &'life1 str, ) -> Pin<Box<dyn Future<Output = Result<Option<End>, PersistenceError>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Load the final result.

fn delete<'life0, 'life1, 'async_trait>( &'life0 self, run_id: &'life1 str, ) -> Pin<Box<dyn Future<Output = Result<(), PersistenceError>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Delete state for a run.

fn list_runs<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = Result<Vec<String>, PersistenceError>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

List all stored run IDs.