Struct SnapshotManager 

pub struct SnapshotManager {
    snapshots: HashMap<Hash, Snapshot>,
    by_creator: HashMap<String, Vec<Hash>>,
    latest: Option<Hash>,
    config: SnapshotConfig,
}

Manages snapshot creation and retrieval.

Fields

snapshots: HashMap<Hash, Snapshot>

All known snapshots, indexed by ID.

by_creator: HashMap<String, Vec<Hash>>

Snapshots indexed by creator.

latest: Option<Hash>

The latest snapshot ID.

config: SnapshotConfig

Configuration for snapshot creation.

Implementations

impl SnapshotManager

pub fn new() -> Self

Create a new snapshot manager.

pub fn with_config(config: SnapshotConfig) -> Self

Create a snapshot manager with custom configuration.

pub fn config(&self) -> &SnapshotConfig

Get the configuration.

pub fn store(&mut self, snapshot: Snapshot) -> Hash

Store a new snapshot.

pub fn get(&self, id: &Hash) -> Option<&Snapshot>

Get a snapshot by ID.

pub fn latest(&self) -> Option<&Snapshot>

Get the latest snapshot.

pub fn latest_id(&self) -> Option<Hash>

Get the latest snapshot ID.

pub fn by_creator(&self, creator: &str) -> Vec<&Snapshot>

Get all snapshots by a specific creator.

pub fn find_covering(&self, vv: &VersionVector) -> Option<&Snapshot>

Find the best snapshot that covers a given version vector.

pub fn should_snapshot( &self, current_vv: &VersionVector, current_time: u64, ) -> bool

Check if a new snapshot should be created based on configuration.

fn gc_old_snapshots(&mut self)

Remove old snapshots to stay within limits.

pub fn stats(&self) -> SnapshotStats

Get statistics about managed snapshots.

Trait Implementations

impl Default for SnapshotManager

fn default() -> Self

Returns the “default value” for a type.