Struct IncrementalSnapshotState 

pub struct IncrementalSnapshotState {
    pub base_state: Option<State>,
    pub pending_deltas: Vec<StateDelta>,
    pub compact_threshold: usize,
}

增量快照运行时状态。

Fields

base_state: Option<State>

pending_deltas: Vec<StateDelta>

compact_threshold: usize

Implementations

impl IncrementalSnapshotState

pub fn new(compact_threshold: usize) -> Self

pub fn record_delta(&mut self, delta: StateDelta)

pub fn record_deltas(&mut self, deltas: Vec<StateDelta>)

pub fn snapshot( &mut self, current_state: &State, ) -> (Option<State>, Vec<StateDelta>, State)

pub fn from_checkpoint(checkpoint: &Checkpoint) -> Self

pub fn clear_pending(&mut self)

Trait Implementations

impl Clone for IncrementalSnapshotState

fn clone(&self) -> IncrementalSnapshotState

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for IncrementalSnapshotState

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

Formats the value using the given formatter.

impl Default for IncrementalSnapshotState

fn default() -> IncrementalSnapshotState

Returns the “default value” for a type.