Struct ClockPolicy 

pub struct ClockPolicy { /* private fields */ }

The CLOCK (second-chance) eviction policy with optional size awareness.

Implementations

impl ClockPolicy

pub fn new() -> Self

Create a new CLOCK policy.

pub fn new_with_size_fn( size_of: Option<Arc<dyn Fn(&EntryID) -> usize + Send + Sync>>, ) -> Self

Create a new CLOCK policy with size awareness.

Trait Implementations

impl CachePolicy for ClockPolicy

fn find_victim(&self, cnt: usize) -> Vec<EntryID>

Give cnt amount of entries to evict when cache is full.

fn notify_insert(&self, entry_id: &EntryID, _batch_type: CachedBatchType)

Notify the cache policy that an entry was inserted.

fn notify_access(&self, entry_id: &EntryID, _batch_type: CachedBatchType)

Notify the cache policy that an entry was accessed.

impl Debug for ClockPolicy

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

Formats the value using the given formatter.

impl Default for ClockPolicy

fn default() -> ClockPolicy

Returns the “default value” for a type.

impl Drop for ClockPolicy

fn drop(&mut self)

Executes the destructor for this type.

impl Send for ClockPolicy

impl Sync for ClockPolicy