Trait KvStore 

pub trait KvStore:
    Debug
    + Send
    + Sync {
    // Required methods
    fn get(&self, key: &[u8]) -> Option<Bytes>;
    fn set(&mut self, key: &[u8], value: Bytes);
    fn compare_and_swap(
        &mut self,
        key: &[u8],
        old: Option<Bytes>,
        new: Bytes,
    ) -> bool;
    fn remove(&mut self, key: &[u8]) -> Option<Bytes>;
    fn contains_key(&self, key: &[u8]) -> bool;
    fn scan(
        &self,
        start: Bound<&[u8]>,
        end: Bound<&[u8]>,
    ) -> Box<dyn DoubleEndedIterator<Item = (Bytes, Bytes)> + '_>;
    fn len(&self) -> usize;
    fn is_empty(&self) -> bool;
    fn size(&self) -> usize;
    fn export_all(&mut self) -> Bytes;
    fn import_all(&mut self, bytes: Bytes) -> Result<(), String>;
    fn clone_store(&self) -> Arc<Mutex<dyn KvStore>>;
}

Required Methods

fn get(&self, key: &[u8]) -> Option<Bytes>

fn set(&mut self, key: &[u8], value: Bytes)

fn compare_and_swap( &mut self, key: &[u8], old: Option<Bytes>, new: Bytes, ) -> bool

fn remove(&mut self, key: &[u8]) -> Option<Bytes>

fn contains_key(&self, key: &[u8]) -> bool

fn scan( &self, start: Bound<&[u8]>, end: Bound<&[u8]>, ) -> Box<dyn DoubleEndedIterator<Item = (Bytes, Bytes)> + '_>

fn len(&self) -> usize

fn is_empty(&self) -> bool

fn size(&self) -> usize

fn export_all(&mut self) -> Bytes

fn import_all(&mut self, bytes: Bytes) -> Result<(), String>

fn clone_store(&self) -> Arc<Mutex<dyn KvStore>>

Implementations on Foreign Types

impl KvStore for BTreeMap<Bytes, Bytes>

fn get(&self, key: &[u8]) -> Option<Bytes>

fn set(&mut self, key: &[u8], value: Bytes)

fn compare_and_swap( &mut self, key: &[u8], old: Option<Bytes>, new: Bytes, ) -> bool

fn remove(&mut self, key: &[u8]) -> Option<Bytes>

fn contains_key(&self, key: &[u8]) -> bool

fn scan( &self, start: Bound<&[u8]>, end: Bound<&[u8]>, ) -> Box<dyn DoubleEndedIterator<Item = (Bytes, Bytes)> + '_>

fn len(&self) -> usize

fn is_empty(&self) -> bool

fn size(&self) -> usize

fn export_all(&mut self) -> Bytes

fn import_all(&mut self, bytes: Bytes) -> Result<(), String>

fn clone_store(&self) -> Arc<Mutex<dyn KvStore>>

Implementors

impl KvStore for MemKvStore