Struct CheckpointManager 

pub struct CheckpointManager { /* private fields */ }

Manages checkpoints for rollback operations

Implementations

impl CheckpointManager

pub fn new() -> Self

Create a new checkpoint manager

pub fn create_checkpoint( &mut self, name: impl Into<String>, description: impl Into<String>, file_states: HashMap<String, String>, ) -> Result<String, UndoRedoError>

Create a new checkpoint and store it

pub fn list_checkpoints(&self) -> Vec<Checkpoint>

List all checkpoints

pub fn get_checkpoint( &self, checkpoint_id: &str, ) -> Result<Checkpoint, UndoRedoError>

Get a specific checkpoint by ID

pub fn delete_checkpoint( &mut self, checkpoint_id: &str, ) -> Result<(), UndoRedoError>

Delete a checkpoint by ID

pub fn rollback_to(&mut self, checkpoint_id: &str) -> Result<(), UndoRedoError>

Rollback to a specific checkpoint with atomic guarantees

This operation attempts to restore all files to the checkpoint state. If any file fails to restore, the operation is rolled back to the pre-rollback state. Uses transaction-like semantics: all-or-nothing.

pub fn verify_rollback( &self, checkpoint_id: &str, ) -> Result<bool, UndoRedoError>

Verify rollback success and report errors

pub fn restore_pre_rollback_state( &mut self, pre_rollback_state: HashMap<String, String>, )

Restore the pre-rollback state (used for rollback failure recovery)

pub fn get_current_state(&self) -> HashMap<String, String>

Get the current state

pub fn set_current_state(&mut self, state: HashMap<String, String>)

Set the current state (for testing and initialization)

pub fn checkpoint_count(&self) -> usize

Get the number of checkpoints

Trait Implementations

impl Default for CheckpointManager

fn default() -> Self

Returns the “default value” for a type.