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<?php |
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namespace Notimatica\Driver\Support; |
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use League\Event\Emitter; |
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use League\Event\EventInterface; |
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use League\Event\ListenerInterface; |
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use Notimatica\Driver\StatisticsStorages\AbstractStorage; |
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use Notimatica\Driver\StatisticsStoragesFactory; |
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trait EventsEmitter |
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{ |
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/** |
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* @var Emitter |
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*/ |
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public static $events; |
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/** |
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* Boot events emitter. |
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*/ |
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public function bootEvents() |
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{ |
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static::$events = new Emitter(); |
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$this->bootListeners(); |
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} |
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/** |
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* Boot event listeners. |
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*/ |
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protected function bootListeners() |
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{ |
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$statisticsStorage = $this->makeStatisticsStorage(); |
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if (!is_null($statisticsStorage)) { |
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static::$events->useListenerProvider($statisticsStorage); |
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} |
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} |
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/** |
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* Emit event. |
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* |
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* @return \League\Event\EventInterface|string |
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*/ |
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public static function emit() |
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{ |
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return call_user_func_array([static::$events, 'emit'], func_get_args()); |
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} |
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/** |
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* Emit event. |
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* |
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* @param string $event |
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* @param ListenerInterface|callable $listener |
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* @return EventInterface|string |
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*/ |
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public static function on($event, $listener) |
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{ |
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return static::$events->addListener($event, $listener); |
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} |
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/** |
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* Remove listeners. |
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* |
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* @param $event |
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*/ |
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public static function off($event) |
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{ |
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static::$events->removeAllListeners($event); |
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} |
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/** |
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* Make statistics storage. |
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* |
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* @return AbstractStorage|null |
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*/ |
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protected function makeStatisticsStorage() |
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{ |
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if (!empty($this->project->config['statistics']['storage']) |
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|| class_exists($this->project->config['statistics']['storage'])) { |
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$storage = $this->project->config['statistics']['storage']; |
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return new $storage; |
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} |
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return null; |
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} |
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} |
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Notimatica /
driver
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: