CacheLock class

CacheLock class abstract

An atomic lock. Only one owner can hold it at a time.

CacheLock lock = cache.lock('report', Duration(seconds: 10));
if (await lock.get()) {
  try { ... } finally { await lock.release(); }
}

Constructors

hashCode → int: The hash code for this object.
no setterinherited
name → String: Lock name.
final
owner → String: Random token of this owner. Pass it to lock() in another process to release the same lock there.
final
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited
ttl → Duration?: Lock is freed after this time even if not released. Null means never.
final

block(Duration timeout) → Future<bool>: Try to take the lock until timeout passes. True when taken.
get() → Future<bool>: Try to take the lock once. True when taken.
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
release() → Future<bool>: Free the lock if this owner holds it. True when freed.
toString() → String: A string representation of this object.
inherited