Struct FileCheckpointStore 

pub struct FileCheckpointStore { /* private fields */ }

JSON file-based checkpoint store.

Implementations

impl FileCheckpointStore

pub fn open(path: impl AsRef<Path>) -> Result<Self, DukascopyError>

Opens a file checkpoint store from a path. Creates an empty store when file does not exist.

Trait Implementations

impl CheckpointStore for FileCheckpointStore

fn get(&self, key: &str) -> Result<Option<DateTime<Utc>>, DukascopyError>

Reads checkpoint for a key.

fn set(&self, key: &str, timestamp: DateTime<Utc>) -> Result<(), DukascopyError>

Persists checkpoint for a key.

fn set_many( &self, updates: &[(String, DateTime<Utc>)], ) -> Result<(), DukascopyError>

Persists multiple checkpoints in one operation.

impl Debug for FileCheckpointStore

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

Formats the value using the given formatter.