Enum Load 

pub enum Load<K, V, P> {
    Entry {
        key: K,
        value: V,
        populated: Populated,
    },
    Piece {
        piece: Piece<K, V, P>,
        populated: Populated,
    },
    Throttled,
    Miss,
}

Load result.

Variants

Entry

Load entry success.

Fields

key: K

The key of the entry.

value: V

The value of the entry.

populated: Populated

The populated context of the entry.

Piece

Load entry success from disk cache write queue.

Fields

piece: Piece<K, V, P>

The piece of the entry.

populated: Populated

The populated context of the entry.

Throttled

The entry may be in the disk cache, the read io is throttled.

Miss

Disk cache miss.

Implementations

impl<K, V, P> Load<K, V, P>

pub fn entry(self) -> Option<(K, V, Populated)>

Return Some with the entry if load success, otherwise return None.

pub fn kv(self) -> Option<(K, V)>

Return Some with the entry if load success, otherwise return None.

Only key and value will be returned.

pub fn is_miss(&self) -> bool

Check if the load result is a cache miss.

pub fn is_throttled(&self) -> bool

Check if the load result is miss caused by io throttled.

Trait Implementations

impl<K, V, P> Debug for Load<K, V, P>

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

Formats the value using the given formatter.