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<?php |
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/** |
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* Tack Tracker - A library for tracking long-running task progress |
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* |
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* @license http://opensource.org/licenses/MIT |
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* @link https://github.com/caseyamcl/tasktracker |
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* @version 2.0 |
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* @package caseyamcl/tasktracker |
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* @author Casey McLaughlin <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* ------------------------------------------------------------------ |
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*/ |
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namespace TaskTracker; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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/** |
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* Tracker Factory Service Class |
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* |
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* Provides a service library for building many Tracker objects |
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* with the same set of subscribers |
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* |
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* @author Casey McLaughlin <[email protected]> |
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*/ |
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class TrackerFactory |
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{ |
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/** |
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* @var array|EventSubscriberInterface[] |
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*/ |
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private $defaultSubscribers; |
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/** |
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* Constructor |
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* |
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* @param EventSubscriberInterface[] $defaultSubscribers |
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*/ |
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public function __construct(array $defaultSubscribers = []) |
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{ |
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$this->defaultSubscribers = $defaultSubscribers; |
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} |
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/** |
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* Build a new Tracker instance |
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* |
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* If $extraSubscribers is not empty, those subscribers will be added |
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* to the Tracker in addition to the defaults. |
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* |
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* @param int $numItems The total number of items (or -1 for unknown) |
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* @param array|EventSubscriberInterface[] $extraSubscribers Optionally specify extra listeners for this Tracker instance |
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* @return Tracker |
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*/ |
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public function buildTracker($numItems = Tracker::UNKNOWN, array $extraSubscribers = []) |
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{ |
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$tracker = new Tracker($numItems); |
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foreach (array_merge($this->defaultSubscribers, $extraSubscribers) as $listener) { |
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$tracker->getDispatcher()->addSubscriber($listener); |
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} |
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return $tracker; |
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} |
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} |
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