Struct TransactionEngine 

pub struct TransactionEngine { /* private fields */ }

Implementations

impl TransactionEngine

pub fn apply<F>( self, plan: &WritePlan, options: &TransactionOptions, doctor: F, ) -> Result<TransactionResult, TransactionError>

where F: FnOnce(&Path) -> Result<(), String>,

Applies a write plan atomically enough to restore all touched files on failure.

Errors

Returns an error for conflicts, locks, unsafe paths, I/O failure, or failed doctor.

pub fn rollback( self, snapshot_id: SnapshotId, options: &TransactionOptions, ) -> Result<(), TransactionError>

Restores every file recorded by a transaction snapshot.

Errors

Returns an error when the snapshot is absent, invalid, locked, or cannot be restored.

Trait Implementations

impl Clone for TransactionEngine

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for TransactionEngine

impl Debug for TransactionEngine

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

Formats the value using the given formatter.

impl Default for TransactionEngine

fn default() -> Self

Returns the “default value” for a type.