MemoryLock class Null safety
Lock that is used to synchronize execution within one process using shared memory.
Remember: This implementation is not suitable for synchronization of distributed processes.
Configuration parameters
- options:
retry_timeout
: timeout in milliseconds to retry lock acquisition. (Default: 100)
Example
var lock = MemoryLock();
try {
lock.acquire("123", "key1")
// Processing...
} finally {
lock.releaseLock("123", "key1",
// Continue...
}
}
});
Constructors
Properties
- hashCode → int
-
The hash code for this object. [...]
read-only, inherited
- runtimeType → Type
-
A representation of the runtime type of the object.
read-only, inherited
Methods
-
acquireLock(
String? correlationId, String key, int ttl, int timeout) → Future -
Makes multiple attempts to acquire a lock by its key within give time interval. [...]
inherited
-
configure(
ConfigParams config) → void -
Configures component by passing configuration parameters. [...]
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a non-existent method or property is accessed. [...]
inherited
-
releaseLock(
String? correlationId, String key) → Future -
Releases the lock with the given key. [...]
override
-
toString(
) → String -
A string representation of this object. [...]
inherited
-
tryAcquireLock(
String? correlationId, String key, int ttl) → Future< bool> -
Makes a single attempt to acquire a lock by its key.
It returns immediately a positive or negative result. [...]
override
Operators
-
operator ==(
Object other) → bool -
The equality operator. [...]
inherited