Struct SnapshotManager 

pub struct SnapshotManager { /* private fields */ }

Snapshot manager

Implementations

impl SnapshotManager

pub fn new<P: AsRef<Path>>(snapshots_dir: P) -> Self

Create a new snapshot manager

Arguments

• snapshots_dir - Base directory for storing snapshots

pub async fn create_snapshot( &self, name: &str, description: Option<String>, database: &dyn VirtualDatabase, registry: &EntityRegistry, ) -> Result<SnapshotMetadata>

Create a snapshot of the current database state

Arguments

• name - Name for the snapshot
• description - Optional description
• database - The virtual database instance
• registry - The entity registry
• include_time_travel - Whether to include time travel state (cron jobs, mutation rules)
• time_travel_state - Optional time travel state to include

pub async fn create_snapshot_with_time_travel( &self, name: &str, description: Option<String>, database: &dyn VirtualDatabase, registry: &EntityRegistry, include_time_travel: bool, time_travel_state: Option<TimeTravelSnapshotState>, ) -> Result<SnapshotMetadata>

Create a snapshot with optional time travel state

Arguments

• name - Name for the snapshot
• description - Optional description
• database - The virtual database instance
• registry - The entity registry
• include_time_travel - Whether to include time travel state
• time_travel_state - Optional time travel state to include

pub async fn restore_snapshot( &self, name: &str, database: &dyn VirtualDatabase, registry: &EntityRegistry, ) -> Result<()>

Restore a snapshot

Arguments

• name - Name of the snapshot to restore
• database - The virtual database instance (will be reset)
• registry - The entity registry

pub async fn restore_snapshot_with_time_travel<F>( &self, name: &str, database: &dyn VirtualDatabase, registry: &EntityRegistry, restore_time_travel: bool, time_travel_restore_callback: Option<F>, ) -> Result<()>

where F: FnOnce(TimeTravelSnapshotState) -> Result<()>,

Restore a snapshot with optional time travel state restoration

Arguments

• name - Name of the snapshot to restore
• database - The virtual database instance (will be reset)
• registry - The entity registry
• restore_time_travel - Whether to restore time travel state
• time_travel_restore_callback - Optional callback to restore time travel state

pub async fn list_snapshots(&self) -> Result<Vec<SnapshotMetadata>>

List all snapshots

pub async fn get_snapshot_metadata( &self, name: &str, ) -> Result<SnapshotMetadata>

Get snapshot metadata

pub async fn delete_snapshot(&self, name: &str) -> Result<()>

Delete a snapshot