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<?php |
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namespace AOE\Crawler\Utility; |
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/*************************************************************** |
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* Copyright notice |
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* |
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* (c) 2018 AOE GmbH <[email protected]> |
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* |
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* All rights reserved |
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* |
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* This script is part of the TYPO3 project. The TYPO3 project is |
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* free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* The GNU General Public License can be found at |
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* http://www.gnu.org/copyleft/gpl.html. |
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* |
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* This script is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* This copyright notice MUST APPEAR in all copies of the script! |
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***************************************************************/ |
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use TYPO3\CMS\Core\Utility\GeneralUtility; |
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use TYPO3\CMS\Extbase\SignalSlot\Dispatcher; |
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/** |
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* Class SignalSlotUtility |
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* |
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* @codeCoverageIgnore |
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*/ |
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class SignalSlotUtility |
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{ |
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/** |
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* Predefined signals |
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*/ |
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const SIGNAL_QUEUEITEM_PREPROCESS = 'queueItemPreProcess'; |
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const SIGNAL_QUEUEITEM_POSTPROCESS = 'queueItemPostProcess'; |
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const SIGNAL_INVOKE_QUEUE_CHANGE = 'invokeQueueChange'; |
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const SIGNAL_URL_ADDED_TO_QUEUE = 'urlAddedToQueue'; |
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const SIGNAL_DUPLICATE_URL_IN_QUEUE = 'duplicateUrlInQueue'; |
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const SIGNAL_URL_CRAWLED = 'urlCrawled'; |
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const SIGNAL_QUEUE_ENTRY_FLUSH = 'queueEntryFlush'; |
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/** |
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* Emits a signal to the signalslot dispatcher |
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* |
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* @param string $class |
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* @param string $signal |
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* @param array $payload |
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* @return void |
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* |
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* @throws \TYPO3\CMS\Extbase\SignalSlot\Exception\InvalidSlotException |
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* @throws \TYPO3\CMS\Extbase\SignalSlot\Exception\InvalidSlotReturnException |
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*/ |
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public static function emitSignal($class, $signal, array &$payload = []) |
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{ |
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/** @var \TYPO3\CMS\Extbase\SignalSlot\Dispatcher $signalSlotDispatcher */ |
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$signalSlotDispatcher = GeneralUtility::makeInstance(Dispatcher::class); |
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$signalSlotDispatcher->dispatch($class, $signal, $payload); |
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} |
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/** |
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* @param string $class |
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* @param string $signal |
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* |
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* @return bool |
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*/ |
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public static function hasSignal($class, $signal) |
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{ |
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$signalSlotDispatcher = GeneralUtility::makeInstance(Dispatcher::class); |
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$signals = $signalSlotDispatcher->getSlots($class, $signal); |
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return sizeof($signals) ? true : false; |
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} |
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} |
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AOEpeople /
crawler
