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<?php |
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/** |
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* This file is part of the Global Trading Technologies Ltd workflow-extension-bundle package. |
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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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* (c) fduch <[email protected]> |
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* @date 29.07.16 |
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*/ |
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namespace Gtt\Bundle\WorkflowExtensionsBundle\WorkflowSubject; |
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use Gtt\Bundle\WorkflowExtensionsBundle\Exception\SubjectIdRetrievingException; |
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use Gtt\Bundle\WorkflowExtensionsBundle\Exception\SubjectManipulatorException; |
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use Gtt\Bundle\WorkflowExtensionsBundle\Exception\SubjectRetrievingFromDomainException; |
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use Symfony\Component\ExpressionLanguage\ExpressionLanguage; |
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/** |
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* Class helps to retrieve workflow subject from domain and retrieve id from subject used by scheduler subsystem |
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*/ |
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class SubjectManipulator |
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{ |
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/** |
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* Expression language |
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* |
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* @var ExpressionLanguage |
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*/ |
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private $language; |
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/** |
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* Holds expressions used to retrieve subject from domain and id from subject |
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* |
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* @var array |
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*/ |
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private $supportedSubjectsConfig = []; |
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/** |
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* SubjectManipulator constructor. |
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* |
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* @param ExpressionLanguage $language expression language |
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*/ |
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public function __construct(ExpressionLanguage $language) |
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{ |
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$this->language = $language; |
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} |
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/** |
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* Sets expressions for supported subject |
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* |
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* @param string $subjectClass subject class |
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* @param string $idFromSubjectExpression expression used to retrieve subject id from subject object |
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* @param string|null $subjectFromDomainExpression expression used to retrieve subject from domain |
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* |
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* @throws SubjectManipulatorException |
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*/ |
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public function addSupportedSubject($subjectClass, $idFromSubjectExpression, $subjectFromDomainExpression = null) |
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{ |
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if (isset($this->supportedSubjectsConfig[$subjectClass])) { |
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throw SubjectManipulatorException::subjectConfigIsAlreadySet($subjectClass); |
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} |
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$this->supportedSubjectsConfig[$subjectClass] = [ |
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'id_from_subject' => $idFromSubjectExpression, |
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'subject_from_domain' => $subjectFromDomainExpression |
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]; |
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} |
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/** |
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* Retrieves workflow subject from domain |
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* |
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* @param string $subjectClass subject class |
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* @param int $subjectId subject id |
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* |
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* @return object |
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* |
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* @throws SubjectRetrievingFromDomainException |
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*/ |
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public function getSubjectFromDomain($subjectClass, $subjectId) |
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{ |
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$subjectClass = ltrim($subjectClass, "\\"); |
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if (!array_key_exists($subjectClass, $this->supportedSubjectsConfig) || |
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!array_key_exists('subject_from_domain', $this->supportedSubjectsConfig[$subjectClass])) { |
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throw SubjectRetrievingFromDomainException::expressionNotFound($subjectClass); |
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} |
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return $this->language->evaluate( |
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$this->supportedSubjectsConfig[$subjectClass]['subject_from_domain'], |
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['subjectClass' => $subjectClass, 'subjectId' => $subjectId] |
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); |
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} |
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/** |
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* Fetches subject id from subject object |
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* |
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* @param object $subject subject |
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* |
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* @return int |
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* |
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* @throws SubjectIdRetrievingException |
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*/ |
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public function getSubjectId($subject) |
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{ |
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if (!is_object($subject)) { |
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throw SubjectIdRetrievingException::subjectIsNotAnObject($subject); |
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} |
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$subjectClass = get_class($subject); |
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if (!array_key_exists($subjectClass, $this->supportedSubjectsConfig) || |
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!array_key_exists('id_from_subject', $this->supportedSubjectsConfig[$subjectClass])) { |
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throw SubjectIdRetrievingException::expressionNotFound($subjectClass); |
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} |
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return $this->language->evaluate( |
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$this->supportedSubjectsConfig[$subjectClass]['id_from_subject'], |
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['subject' => $subject] |
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); |
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} |
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} |
GlobalTradingTechnologies /
workflow-extensions-bundle
