Struct LockManager 

pub struct LockManager { /* private fields */ }

Lock manager for managing resource locks.

Implementations

impl LockManager

pub fn new() -> Self

Creates a new lock manager.

pub fn acquire( &mut self, resource: &str, tx_id: u64, lock_type: LockType, ) -> Result<()>

Acquires a lock on a resource.

pub fn release_all(&mut self, tx_id: u64)

Releases all locks held by a transaction.

pub fn release(&mut self, resource: &str, tx_id: u64)

Releases a specific lock.

pub fn holds_lock(&self, resource: &str, tx_id: u64) -> bool

Checks if a transaction holds a lock on a resource.

pub fn holds_exclusive(&self, resource: &str, tx_id: u64) -> bool

Checks if a transaction holds an exclusive lock on a resource.

pub fn get_locked_resources(&self, tx_id: u64) -> Vec<&str>

Returns all resources locked by a transaction.

Trait Implementations

impl Default for LockManager

fn default() -> Self

Returns the “default value” for a type.