Class yii\mutex\MysqlMutex

Inheritance	yii\mutex\MysqlMutex » yii\mutex\DbMutex » yii\mutex\Mutex » yii\base\Component » yii\base\Object
Implements	yii\base\Configurable
Available since version	2.0
Source Code	https://github.com/yiisoft/yii2/blob/master/framework/mutex/MysqlMutex.php

MysqlMutex implements mutex "lock" mechanism via MySQL locks.

Application configuration example:

[
    'components' => [
        'db' => [
            'class' => 'yii\db\Connection',
            'dsn' => 'mysql:host=127.0.0.1;dbname=demo',
        ]
        'mutex' => [
            'class' => 'yii\mutex\MysqlMutex',
        ],
    ],
]

See also yii\mutex\Mutex.

Public Properties

Property	Type	Description	Defined By
$autoRelease	boolean	Whether all locks acquired in this process (i.e. local locks) must be released automatically before finishing script execution.	yii\mutex\Mutex
$behaviors	yii\base\Behavior[]	List of behaviors attached to this component	yii\base\Component
$db	yii\db\Connection|array|string	The DB connection object or the application component ID of the DB connection.	yii\mutex\DbMutex

Public Methods

Method	Description	Defined By
__call()	Calls the named method which is not a class method.	yii\base\Object
__clone()	This method is called after the object is created by cloning an existing one.	yii\base\Component
__construct()	Constructor.	yii\base\Object
__get()	Returns the value of an object property.	yii\base\Object
__isset()	Checks if a property is set, i.e. defined and not null.	yii\base\Object
__set()	Sets value of an object property.	yii\base\Object
__unset()	Sets an object property to null.	yii\base\Object
acquire()	Acquires a lock by name.	yii\mutex\Mutex
attachBehavior()	Attaches a behavior to this component.	yii\base\Component
attachBehaviors()	Attaches a list of behaviors to the component.	yii\base\Component
behaviors()	Returns a list of behaviors that this component should behave as.	yii\base\Component
canGetProperty()	Returns a value indicating whether a property can be read.	yii\base\Object
canSetProperty()	Returns a value indicating whether a property can be set.	yii\base\Object
className()	Returns the fully qualified name of this class.	yii\base\Object
detachBehavior()	Detaches a behavior from the component.	yii\base\Component
detachBehaviors()	Detaches all behaviors from the component.	yii\base\Component
ensureBehaviors()	Makes sure that the behaviors declared in behaviors() are attached to this component.	yii\base\Component
getBehavior()	Returns the named behavior object.	yii\base\Component
getBehaviors()	Returns all behaviors attached to this component.	yii\base\Component
hasEventHandlers()	Returns a value indicating whether there is any handler attached to the named event.	yii\base\Component
hasMethod()	Returns a value indicating whether a method is defined.	yii\base\Object
hasProperty()	Returns a value indicating whether a property is defined.	yii\base\Object
init()	Initializes MySQL specific mutex component implementation.	yii\mutex\MysqlMutex
off()	Detaches an existing event handler from this component.	yii\base\Component
on()	Attaches an event handler to an event.	yii\base\Component
release()	Releases acquired lock. This method will return false in case the lock was not found.	yii\mutex\Mutex
trigger()	Triggers an event.	yii\base\Component

Protected Methods

Method	Description	Defined By
acquireLock()	Acquires lock by given name.	yii\mutex\MysqlMutex
releaseLock()	Releases lock by given name.	yii\mutex\MysqlMutex

Method Details