Struct LockManager 

pub struct LockManager { /* private fields */ }

Lock manager for coordinating transaction locks

Implementations

impl LockManager

pub fn new(config: LockConfig) -> Self

Create new lock manager

pub fn with_defaults() -> Self

Create with default config

pub fn acquire( &self, txn_id: TxnId, resource: &[u8], mode: LockMode, ) -> LockResult

Acquire a lock

pub fn acquire_with_timeout( &self, txn_id: TxnId, resource: &[u8], mode: LockMode, timeout: Duration, ) -> LockResult

Acquire lock with custom timeout

pub fn release(&self, txn_id: TxnId, resource: &[u8]) -> bool

Release a lock

pub fn release_all(&self, txn_id: TxnId) -> usize

Release all locks for a transaction

pub fn holds_lock(&self, txn_id: TxnId, resource: &[u8]) -> Option<LockMode>

Check if transaction holds lock on resource

pub fn get_locks(&self, txn_id: TxnId) -> Vec<(Vec<u8>, LockMode)>

Get all locks held by transaction

pub fn stats(&self) -> LockStats

Get statistics

pub fn config(&self) -> &LockConfig

Get configuration

Trait Implementations

impl Default for LockManager

fn default() -> Self

Returns the “default value” for a type.