Struct CacheLock 

pub struct CacheLock { /* private fields */ }

The global cache locking manager

Implementations

impl CacheLock

pub fn new_boxed(age_timeout: Duration) -> Box<Self>

Create a new CacheLock with the given lock timeout

Age timeout refers to how long a writer has been holding onto a particular lock, and wait timeout refers to how long a reader may hold onto any number of locks before giving up. When either timeout is reached, the read locks are automatically unlocked.

pub fn new(age_timeout_default: Duration) -> Self

Create a new CacheLock with the given lock timeout

Age timeout refers to how long a writer has been holding onto a particular lock, and wait timeout refers to how long a reader may hold onto any number of locks before giving up. When either timeout is reached, the read locks are automatically unlocked.

Trait Implementations

impl CacheKeyLock for CacheLock

fn lock(&self, key: &CacheKey, stale_writer: bool) -> Locked

Try to lock a cache fetch

fn release(&self, key: &CacheKey, permit: WritePermit, reason: LockStatus)

Release a lock for the given key

fn trace_lock_wait( &self, span: &mut Span, _read_lock: &ReadLock, lock_status: LockStatus, )

Set tags on a trace span for the cache lock wait.

fn custom_lock_status(&self, _custom_no_cache: &'static str) -> LockStatus

Set a lock status for a custom NoCacheReason.

impl Debug for CacheLock

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

Formats the value using the given formatter.