Struct persistentcache::storage::file_memory::FileMemoryStorage

pub struct FileMemoryStorage { /* fields omitted */ }

FileMemoryStorage struct

Methods

impl FileMemoryStorage

pub fn new(path: &str) -> Result<Self, Error>

Creates the path directory and returns a FileMemoryStorage struct.

Example

use persistentcache::storage::file_memory::FileMemoryStorage;

let mut s = FileMemoryStorage::new(".example_dir").unwrap();

Trait Implementations

impl PersistentCache for FileMemoryStorage

fn get(&mut self, name: &str) -> Result<Vec<u8>, Error>

Returns the value corresponding to the variable name. If it is stored in the hash map, it will retreive it from there, otherwise it will retreive it from the file system.

fn set(&mut self, name: &str, val: &[u8]) -> Result<(), Error>

Writes the data of type &[u8] in array val to the file corresponding to the variable name.

fn flush(&mut self) -> Result<(), Error>

Delete all variables stored in path (see new()) which start with PREFIX_.