Struct FileStore 

pub struct FileStore { /* private fields */ }

A file-based storage implementation that stores each key-value pair as a separate file.

Uses CSV serialization with URL-encoded filenames for human-readable storage. Each record is stored in a .dat file within the configured directory.

Implementations

impl FileStore

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

Creates a new FileStore instance at the specified directory.

Creates the directory if it doesn’t exist.

Errors

Returns an error if the directory cannot be created.

Trait Implementations

impl Debug for FileStore

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

Formats the value using the given formatter.

impl Repository for FileStore

type K = String

Key type for the repository (the buffer type, e.g., Vec or String).

type V = String

Value type for the repository (the buffer type, e.g., Vec or String).

type Error = FileStoreError

Error type returned by repository operations.

fn insert_entry(&mut self, key: &str, value: &str) -> Result<(), Self::Error>

Insert a key-value pair into the repository.

fn get_entry(&self, key: &str) -> Result<Option<Self::V>, Self::Error>

Retrieve the value associated with the given key from the repository.

fn remove_entry(&mut self, key: &str) -> Result<Option<Self::V>, Self::Error>

Remove the value associated with the given key from the repository.

fn scan_range( &self, range: Range<Self::K>, ) -> Result<impl Iterator<Item = Result<Self::K, Self::Error>>, Self::Error>

Iterate over the keys in the repository that are in range.

fn apply<'a>( &mut self, operations: impl Iterator<Item = BatchOp<'a, Self::K, Self::V>>, ) -> Result<(), Self::Error>

Execute mixed insert and delete operations.

impl Storage for FileStore

type Repo = FileStore

The repository type that this storage uses for low-level key-value operations.

type KeyUnifier = CsvSerializer

Unifier type used to serialize/deserialize keys.

type ValueUnifier = CsvSerializer

Unifier type used to serialize/deserialize values.

type Container = Vec<BufferOp>

Container for buffer operations that can be applied to the repository.

fn repository(&self) -> &Self::Repo

Returns a reference to the underlying repository.

fn repository_mut(&mut self) -> &mut Self::Repo

Returns a mutable reference to the underlying repository.