Struct LocalFileDataStore 

pub struct LocalFileDataStore { /* private fields */ }

Implementations

impl LocalFileDataStore

pub fn new(root: impl Into<PathBuf>) -> Result<Self, DataStoreError>

Creates a local filesystem-backed data store rooted at root.

Errors

Returns DataStoreError when the root directory cannot be created.

Trait Implementations

impl Clone for LocalFileDataStore

fn clone(&self) -> LocalFileDataStore

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl DataStore for LocalFileDataStore

fn read(&self, key: &str) -> Result<Option<StateRecord>, DataStoreError>

Reads a stored state record.

fn write(&mut self, record: StateRecord) -> Result<(), DataStoreError>

Writes a stamped state record.

fn delete(&mut self, key: &str) -> Result<(), DataStoreError>

Deletes a stored state record.

fn list_keys(&self) -> Result<Vec<String>, DataStoreError>

Lists stored state keys.

impl Debug for LocalFileDataStore

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

Formats the value using the given formatter.