MysqlMutex ​
- Type
- Class
- Namespace
- craft\mutex
- Inherits
- craft\mutex\MysqlMutex » yii\mutex\MysqlMutex » yii\mutex\DbMutex » yii\mutex\Mutex » yii\base\Component » yii\base\BaseObject
- Implements
- yii\base\Configurable
- Uses traits
- craft\mutex\MutexTrait
- Since
- 3.6.0
- Deprecated in
- in 3.7.30. Use [[Mutex]] instead, with [[Mutex::$mutex|$mutex]] set to a reliable multi-server mutex driver, such as
yii\redis\Mutex(provided by yii2-redis).
Public Properties ​
| Property | Description |
|---|---|
| autoRelease | boolean – Whether all locks acquired in this process (i.e. local locks) must be released automatically before finishing script execution. |
| behaviors | yii\base\Behavior – List of behaviors attached to this component. |
| db | yii\db\Connection, array, string – The DB connection object or the application component ID of the DB connection. |
| keyPrefix | yii\db\Expression, string, null – Prefix value. |
| namePrefix | string – A string prefixed to every lock name. |
Public Methods ​
| Method | Description |
|---|---|
| __call() | Calls the named method which is not a class method. |
| __clone() | This method is called after the object is created by cloning an existing one. |
| __construct() | Constructor. |
| __get() | Returns the value of a component property. |
| __isset() | Checks if a property is set, i.e. defined and not null. |
| __set() | Sets the value of a component property. |
| __unset() | Sets a component property to be null. |
| acquire() | Acquires a lock by name. |
| attachBehavior() | Attaches a behavior to this component. |
| attachBehaviors() | Attaches a list of behaviors to the component. |
| behaviors() | Returns a list of behaviors that this component should behave as. |
| canGetProperty() | Returns a value indicating whether a property can be read. |
| canSetProperty() | Returns a value indicating whether a property can be set. |
| className() | Returns the fully qualified name of this class. |
| detachBehavior() | Detaches a behavior from the component. |
| detachBehaviors() | Detaches all behaviors from the component. |
| ensureBehaviors() | Makes sure that the behaviors declared in behaviors() are attached to this component. |
| getBehavior() | Returns the named behavior object. |
| getBehaviors() | Returns all behaviors attached to this component. |
| hasEventHandlers() | Returns a value indicating whether there is any handler attached to the named event. |
| hasMethod() | Returns a value indicating whether a method is defined. |
| hasProperty() | Returns a value indicating whether a property is defined for this component. |
| init() | Initializes MySQL specific mutex component implementation. |
| isAcquired() | Checks if a lock is acquired by the current process. |
| off() | Detaches an existing event handler from this component. |
| on() | Attaches an event handler to an event. |
| release() | Releases acquired lock. This method will return false in case the lock was not found. |
| releaseQueuedLocks() | Releases any locks that are waiting on the DB transaction to complete. |
| trigger() | Triggers an event. |
Protected Methods ​
| Method | Description |
|---|---|
| acquireLock() | Acquires lock by given name. |
| hashLockName() | Generate hash for lock name to avoid exceeding lock name length limit. |
| prepareName() | Prepare lock name |
| releaseLock() | Releases lock by given name. |