Trait rusty_leveldb_arc::Env

pub trait Env {
    // Required methods
    fn open_sequential_file(&self, _: &Path) -> Result<Box<dyn Read>>;
    fn open_random_access_file(&self, _: &Path) -> Result<Box<dyn RandomAccess>>;
    fn open_writable_file(&self, _: &Path) -> Result<Box<dyn Write>>;
    fn open_appendable_file(&self, _: &Path) -> Result<Box<dyn Write>>;
    fn exists(&self, _: &Path) -> Result<bool>;
    fn children(&self, _: &Path) -> Result<Vec<PathBuf>>;
    fn size_of(&self, _: &Path) -> Result<usize>;
    fn delete(&self, _: &Path) -> Result<()>;
    fn mkdir(&self, _: &Path) -> Result<()>;
    fn rmdir(&self, _: &Path) -> Result<()>;
    fn rename(&self, _: &Path, _: &Path) -> Result<()>;
    fn lock(&self, _: &Path) -> Result<FileLock>;
    fn unlock(&self, l: FileLock) -> Result<()>;
    fn new_logger(&self, _: &Path) -> Result<Logger>;
    fn micros(&self) -> u64;
    fn sleep_for(&self, micros: u32);
}

Required Methods

fn open_sequential_file(&self, _: &Path) -> Result<Box<dyn Read>>

fn open_random_access_file(&self, _: &Path) -> Result<Box<dyn RandomAccess>>

fn open_writable_file(&self, _: &Path) -> Result<Box<dyn Write>>

fn open_appendable_file(&self, _: &Path) -> Result<Box<dyn Write>>

fn exists(&self, _: &Path) -> Result<bool>

fn children(&self, _: &Path) -> Result<Vec<PathBuf>>

fn size_of(&self, _: &Path) -> Result<usize>

fn delete(&self, _: &Path) -> Result<()>

fn mkdir(&self, _: &Path) -> Result<()>

fn rmdir(&self, _: &Path) -> Result<()>

fn rename(&self, _: &Path, _: &Path) -> Result<()>

fn lock(&self, _: &Path) -> Result<FileLock>

fn unlock(&self, l: FileLock) -> Result<()>

fn new_logger(&self, _: &Path) -> Result<Logger>

fn micros(&self) -> u64

fn sleep_for(&self, micros: u32)

Implementors

impl Env for MemEnv

impl Env for PosixDiskEnv