Struct TransactionManager 

pub struct TransactionManager { /* private fields */ }

Manages atomic multi-file operations with all-or-nothing semantics

Implementations

impl TransactionManager

pub fn new(backup_manager: BackupManager) -> Self

Creates a new TransactionManager instance

Arguments

• backup_manager - BackupManager for handling backups during rollback

pub async fn begin_transaction(&self) -> Result<Uuid, FileError>

Begins a new transaction with a unique ID

Returns

A unique transaction ID, or an error

pub async fn add_operation( &self, tx_id: Uuid, op: FileOperation, ) -> Result<(), FileError>

Adds an operation to a transaction

Arguments

• tx_id - Transaction ID
• op - FileOperation to add

Returns

Result indicating success or failure

pub async fn commit(&self, tx_id: Uuid) -> Result<(), FileError>

Commits a transaction by executing all operations

Arguments

• tx_id - Transaction ID

Returns

Result indicating success or failure

pub async fn rollback(&self, tx_id: Uuid) -> Result<(), FileError>

Rolls back a transaction to restore pre-transaction state

Arguments

• tx_id - Transaction ID

Returns

Result indicating success or failure

pub async fn get_status( &self, tx_id: Uuid, ) -> Result<TransactionStatus, FileError>

Gets the status of a transaction

Arguments

• tx_id - Transaction ID

Returns

Transaction status, or an error if not found

pub async fn get_transaction( &self, tx_id: Uuid, ) -> Result<FileTransaction, FileError>

Gets a transaction by ID

Arguments

• tx_id - Transaction ID

Returns

Transaction, or an error if not found

Trait Implementations

impl Clone for TransactionManager

fn clone(&self) -> TransactionManager

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TransactionManager

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

Formats the value using the given formatter.

impl Default for TransactionManager

fn default() -> Self

Returns the “default value” for a type.