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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; under version 2 |
| 7 | * of the License (non-upgradable). |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | * |
| 18 | * Copyright (c) 2020 (original work) Open Assessment Technologies SA; |
| 19 | */ |
| 20 | |
| 21 | declare(strict_types=1); |
| 22 | |
| 23 | namespace oat\oatbox\event; |
| 24 | |
| 25 | use oat\oatbox\log\LoggerAwareTrait; |
| 26 | use oat\oatbox\service\ConfigurableService; |
| 27 | use Psr\Log\LoggerAwareInterface; |
| 28 | |
| 29 | class EventAggregator extends ConfigurableService implements LoggerAwareInterface |
| 30 | { |
| 31 | use LoggerAwareTrait; |
| 32 | |
| 33 | public const SERVICE_ID = 'generis/eventAggregator'; |
| 34 | |
| 35 | /** @var int */ |
| 36 | private $numberOfAggregatedEvents; |
| 37 | |
| 38 | /** @var array */ |
| 39 | private $events = []; |
| 40 | |
| 41 | public function __construct(array $options = []) |
| 42 | { |
| 43 | parent::__construct($options); |
| 44 | |
| 45 | $this->numberOfAggregatedEvents = $this->getOption('numberOfAggregatedEvents', 10); |
| 46 | } |
| 47 | |
| 48 | public function put(string $eventId, Event $event): void |
| 49 | { |
| 50 | $this->events[$eventId] = $event; |
| 51 | |
| 52 | if (count($this->events) >= $this->numberOfAggregatedEvents) { |
| 53 | $this->triggerAggregatedEvents(); |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | public function triggerAggregatedEvents(): void |
| 58 | { |
| 59 | $countEvents = count($this->events); |
| 60 | |
| 61 | if ($countEvents < 1) { |
| 62 | return; |
| 63 | } |
| 64 | |
| 65 | $this->logInfo(sprintf('Triggering %d aggregated events', $countEvents)); |
| 66 | |
| 67 | $eventManager = $this->getEventManager(); |
| 68 | foreach ($this->events as $event) { |
| 69 | $eventManager->trigger($event); |
| 70 | } |
| 71 | |
| 72 | $this->events = []; |
| 73 | } |
| 74 | |
| 75 | public function getEventManager(): EventManager |
| 76 | { |
| 77 | return $this->getServiceLocator()->get(EventManager::SERVICE_ID); |
| 78 | } |
| 79 | } |