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<?php |
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/* |
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* 2017 Romain CANON <[email protected]> |
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* |
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* This file is part of the TYPO3 Formz project. |
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* It is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License, either |
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* version 3 of the License, or any later version. |
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* |
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* For the full copyright and license information, see: |
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* http://www.gnu.org/licenses/gpl-3.0.html |
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*/ |
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namespace Romm\Formz\Condition\Processor; |
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use Romm\Formz\Core\Core; |
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use Romm\Formz\Form\FormObject; |
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use Romm\Formz\Service\CacheService; |
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use Romm\Formz\Service\Traits\ExtendedFacadeInstanceTrait; |
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use TYPO3\CMS\Core\SingletonInterface; |
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class ConditionProcessorFactory implements SingletonInterface |
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{ |
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use ExtendedFacadeInstanceTrait { |
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get as getInstance; |
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} |
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/** |
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* @var ConditionProcessor[] |
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*/ |
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private $processorInstances = []; |
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/** |
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* @param FormObject $formObject |
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* @return ConditionProcessor |
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*/ |
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public function get(FormObject $formObject) |
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{ |
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$cacheIdentifier = $this->getCacheIdentifier($formObject); |
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if (false === array_key_exists($cacheIdentifier, $this->processorInstances)) { |
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$this->processorInstances[$cacheIdentifier] = $this->fetchProcessorInstanceFromCache($cacheIdentifier, $formObject); |
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} |
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return $this->processorInstances[$cacheIdentifier]; |
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} |
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/** |
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* Will either fetch the processor instance from cache, using the given |
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* identifier, or calculate it and store it in cache. |
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* |
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* @param string $cacheIdentifier |
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* @param FormObject $formObject |
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* @return ConditionProcessor |
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*/ |
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protected function fetchProcessorInstanceFromCache($cacheIdentifier, FormObject $formObject) |
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{ |
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$cacheInstance = CacheService::get()->getCacheInstance(); |
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/** @var ConditionProcessor $instance */ |
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if ($cacheInstance->has($cacheIdentifier)) { |
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$instance = $cacheInstance->get($cacheIdentifier); |
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$instance->attachFormObject($formObject); |
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} else { |
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$instance = $this->getNewProcessorInstance($formObject); |
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$instance->calculateAllTrees(); |
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$cacheInstance->set($cacheIdentifier, $instance); |
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} |
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return $instance; |
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} |
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/** |
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* Used in unit tests. |
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* |
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* @param FormObject $formObject |
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* @return ConditionProcessor |
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*/ |
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protected function getNewProcessorInstance(FormObject $formObject) |
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{ |
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/** @var ConditionProcessor $instance */ |
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$instance = Core::instantiate(ConditionProcessor::class, $formObject); |
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return $instance; |
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} |
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/** |
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* @param FormObject $formObject |
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* @return string |
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*/ |
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protected function getCacheIdentifier(FormObject $formObject) |
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{ |
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return 'condition-processor-' . $formObject->getHash(); |
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} |
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} |
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romm /
formz
