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<?php |
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/** |
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* Use doctrine odm as backend |
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*/ |
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namespace Graviton\RestBundle\Model; |
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use Doctrine\ODM\MongoDB\DocumentManager; |
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use Doctrine\ODM\MongoDB\DocumentRepository; |
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use Graviton\RestBundle\Service\RqlTranslator; |
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use Graviton\Rql\Node\SearchNode; |
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use Graviton\SchemaBundle\Model\SchemaModel; |
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use Graviton\SecurityBundle\Entities\SecurityUser; |
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use Symfony\Bridge\Monolog\Logger; |
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use Symfony\Component\HttpFoundation\Request; |
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use Doctrine\ODM\MongoDB\Query\Builder; |
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use Graviton\Rql\Visitor\MongoOdm as Visitor; |
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use Xiag\Rql\Parser\Query; |
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use Graviton\ExceptionBundle\Exception\RecordOriginModifiedException; |
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use Xiag\Rql\Parser\Exception\SyntaxErrorException as RqlSyntaxErrorException; |
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use Graviton\SchemaBundle\Document\Schema as SchemaDocument; |
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/** |
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* Use doctrine odm as backend |
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* |
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* @author List of contributors <https://github.com/libgraviton/graviton/graphs/contributors> |
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License |
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* @link http://swisscom.ch |
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*/ |
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class DocumentModel extends SchemaModel implements ModelInterface |
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{ |
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/** |
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* @var string |
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*/ |
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protected $description; |
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/** |
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* @var string[] |
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*/ |
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protected $fieldTitles; |
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/** |
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* @var string[] |
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*/ |
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protected $fieldDescriptions; |
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/** |
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* @var string[] |
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*/ |
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protected $requiredFields = array(); |
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/** |
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* @var string[] |
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*/ |
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protected $searchableFields = array(); |
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/** |
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* @var DocumentRepository |
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*/ |
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private $repository; |
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/** |
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* @var Visitor |
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*/ |
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private $visitor; |
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/** |
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* @var array |
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*/ |
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protected $notModifiableOriginRecords; |
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/** |
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* @var integer |
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*/ |
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private $paginationDefaultLimit; |
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/** |
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* @var boolean |
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*/ |
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protected $filterByAuthUser; |
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/** |
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* @var string |
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*/ |
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protected $filterByAuthField; |
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/** |
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* @var RqlTranslator |
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*/ |
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protected $translator; |
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/** |
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* @var DocumentManager |
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*/ |
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protected $manager; |
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/** |
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* @param Visitor $visitor rql query visitor |
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* @param RqlTranslator $translator Translator for query modification |
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* @param array $notModifiableOriginRecords strings with not modifiable recordOrigin values |
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* @param integer $paginationDefaultLimit amount of data records to be returned when in pagination context |
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*/ |
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public function __construct( |
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Visitor $visitor, |
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RqlTranslator $translator, |
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$notModifiableOriginRecords, |
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$paginationDefaultLimit |
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) { |
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parent::__construct(); |
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$this->visitor = $visitor; |
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$this->translator = $translator; |
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$this->notModifiableOriginRecords = $notModifiableOriginRecords; |
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$this->paginationDefaultLimit = (int) $paginationDefaultLimit; |
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} |
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/** |
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* get repository instance |
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* |
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* @return DocumentRepository |
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*/ |
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public function getRepository() |
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{ |
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return $this->repository; |
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} |
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/** |
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* create new app model |
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* |
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* @param DocumentRepository $repository Repository of countries |
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* |
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* @return \Graviton\RestBundle\Model\DocumentModel |
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*/ |
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public function setRepository(DocumentRepository $repository) |
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{ |
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$this->repository = $repository; |
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$this->manager = $repository->getDocumentManager(); |
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return $this; |
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} |
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/** |
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* {@inheritDoc} |
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* |
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* @param Request $request The request object |
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* @param SecurityUser $user SecurityUser Object |
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* @param SchemaDocument $schema Schema model used for search fields extraction |
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* |
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* @return array |
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*/ |
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public function findAll(Request $request, SecurityUser $user = null, SchemaDocument $schema = null) |
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{ |
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$pageNumber = $request->query->get('page', 1); |
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$numberPerPage = (int) $request->query->get('perPage', $this->getDefaultLimit()); |
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$startAt = ($pageNumber - 1) * $numberPerPage; |
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/** @var \Doctrine\ODM\MongoDB\Query\Builder $queryBuilder */ |
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$queryBuilder = $this->repository |
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->createQueryBuilder(); |
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if ($this->filterByAuthUser && $user && $user->hasRole(SecurityUser::ROLE_USER)) { |
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$queryBuilder->field($this->filterByAuthField)->equals($user->getUser()->getId()); |
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} |
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// *** do we have an RQL expression, do we need to filter data? |
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if ($request->attributes->get('hasRql', false)) { |
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$innerQuery = $request->attributes->get('rqlQuery')->getQuery(); |
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// can we perform a search in an index instead of filtering? |
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if ($innerQuery instanceof SearchNode && |
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(float) $this->getMongoDBVersion()>=2.6 |
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&& $this->hasCustomSearchIndex()) { |
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$queryBuilder->text(implode(" ", $innerQuery->getSearchTerms())); |
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} else { |
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// do rql filtering |
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$searchableFields = $this->getSearchableFields(); |
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if (!is_null($schema)) { |
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$searchableFields = $schema->getSearchable(); |
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} |
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$queryBuilder = $this->doRqlQuery( |
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$queryBuilder, |
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$this->translator->translateSearchQuery( |
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$request->attributes->get('rqlQuery'), |
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$searchableFields |
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) |
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); |
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} |
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} else { |
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// @todo [lapistano]: seems the offset is missing for this query. |
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/** @var \Doctrine\ODM\MongoDB\Query\Builder $qb */ |
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$queryBuilder->find($this->repository->getDocumentName()); |
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} |
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// define offset and limit |
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if (!array_key_exists('skip', $queryBuilder->getQuery()->getQuery())) { |
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$queryBuilder->skip($startAt); |
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} else { |
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$startAt = (int) $queryBuilder->getQuery()->getQuery()['skip']; |
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} |
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if (!array_key_exists('limit', $queryBuilder->getQuery()->getQuery())) { |
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$queryBuilder->limit($numberPerPage); |
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} else { |
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$numberPerPage = (int) $queryBuilder->getQuery()->getQuery()['limit']; |
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} |
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// Limit can not be negative nor null. |
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if ($numberPerPage < 1) { |
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throw new RqlSyntaxErrorException('negative or null limit in rql'); |
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} |
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/** |
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* add a default sort on id if none was specified earlier |
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* |
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* not specifying something to sort on leads to very weird cases when fetching references |
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*/ |
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if (!array_key_exists('sort', $queryBuilder->getQuery()->getQuery())) { |
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$queryBuilder->sort('_id'); |
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} |
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// run query |
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$query = $queryBuilder->getQuery(); |
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$records = array_values($query->execute()->toArray()); |
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$totalCount = $query->count(); |
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$numPages = (int) ceil($totalCount / $numberPerPage); |
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$page = (int) ceil($startAt / $numberPerPage) + 1; |
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if ($numPages > 1) { |
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$request->attributes->set('paging', true); |
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$request->attributes->set('page', $page); |
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$request->attributes->set('numPages', $numPages); |
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$request->attributes->set('startAt', $startAt); |
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$request->attributes->set('perPage', $numberPerPage); |
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$request->attributes->set('totalCount', $totalCount); |
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} |
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return $records; |
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} |
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/** |
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* @param string $prefix the prefix for custom text search indexes |
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* @return bool |
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* @throws \Doctrine\ODM\MongoDB\MongoDBException |
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*/ |
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private function hasCustomSearchIndex($prefix = 'search') |
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{ |
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$collection = $this->repository->getDocumentManager()->getDocumentCollection($this->repository->getClassName()); |
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$indexesInfo = $collection->getIndexInfo(); |
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foreach ($indexesInfo as $indexInfo) { |
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if ($indexInfo['name']==$prefix.$collection->getName()) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* @return string the version of the MongoDB as a string |
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*/ |
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private function getMongoDBVersion() |
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{ |
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$buildInfo = $this->repository->getDocumentManager()->getDocumentDatabase( |
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$this->repository->getClassName() |
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)->command(['buildinfo'=>1]); |
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if (isset($buildInfo['version'])) { |
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return $buildInfo['version']; |
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} else { |
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return "unkown"; |
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} |
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} |
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/** |
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* @param object $entity entity to insert |
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* @param bool $returnEntity true to return entity |
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* @param bool $doFlush if we should flush or not after insert |
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* |
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* @return Object|null |
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*/ |
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public function insertRecord($entity, $returnEntity = true, $doFlush = true) |
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{ |
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$this->checkIfOriginRecord($entity); |
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$this->manager->persist($entity); |
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if ($doFlush) { |
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$this->manager->flush($entity); |
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} |
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if ($returnEntity) { |
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return $this->find($entity->getId()); |
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} |
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} |
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/** |
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* @param string $documentId id of entity to find |
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* |
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* @return Object |
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*/ |
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public function find($documentId) |
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{ |
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return $this->repository->find($documentId); |
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} |
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/** |
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* {@inheritDoc} |
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* |
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* @param string $documentId id of entity to update |
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* @param Object $entity new entity |
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* @param bool $returnEntity true to return entity |
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* |
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* @return Object|null |
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*/ |
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public function updateRecord($documentId, $entity, $returnEntity = true) |
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{ |
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// In both cases the document attribute named originRecord must not be 'core' |
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$this->checkIfOriginRecord($entity); |
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$this->checkIfOriginRecord($this->selectSingleFields($documentId, ['recordOrigin'])); |
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if (!is_null($documentId)) { |
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$this->deleteById($documentId); |
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// detach so odm knows it's gone |
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$this->manager->detach($entity); |
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$this->manager->clear(); |
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} |
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$entity = $this->manager->merge($entity); |
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$this->manager->persist($entity); |
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$this->manager->flush($entity); |
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if ($returnEntity) { |
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return $entity; |
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} |
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} |
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/** |
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* {@inheritDoc} |
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* |
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* @param string|object $id id of entity to delete or entity instance |
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* |
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* @return null|Object |
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*/ |
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public function deleteRecord($id) |
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{ |
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if (is_object($id)) { |
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$entity = $id; |
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} else { |
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$entity = $this->find($id); |
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} |
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$return = $entity; |
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if ($entity) { |
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$this->checkIfOriginRecord($entity); |
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$this->manager->remove($entity); |
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$this->manager->flush(); |
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$return = null; |
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} |
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return $return; |
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} |
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/** |
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* Triggers a flush on the DocumentManager |
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* |
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* @param null $document optional document |
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* |
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* @return void |
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*/ |
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public function flush($document = null) |
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{ |
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$this->manager->flush($document); |
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} |
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/** |
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* A low level delete without any checks |
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* |
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* @param mixed $id record id |
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* |
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* @return void |
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*/ |
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private function deleteById($id) |
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{ |
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$builder = $this->repository->createQueryBuilder(); |
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$builder |
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->remove() |
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->field('id')->equals($id) |
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->getQuery() |
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->execute(); |
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} |
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/** |
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* Checks in a performant way if a certain record id exists in the database |
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* |
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|
|
* @param mixed $id record id |
383
|
|
|
* |
384
|
|
|
* @return bool true if it exists, false otherwise |
385
|
|
|
*/ |
386
|
|
|
public function recordExists($id) |
|
|
|
|
387
|
|
|
{ |
388
|
|
|
return is_array($this->selectSingleFields($id, ['id'], false)); |
389
|
|
|
} |
390
|
|
|
|
391
|
|
|
/** |
392
|
|
|
* Returns a set of fields from an existing resource in a performant manner. |
393
|
|
|
* If you need to check certain fields on an object (and don't need everything), this |
394
|
|
|
* is a better way to get what you need. |
395
|
|
|
* If the record is not present, you will receive null. If you don't need an hydrated |
396
|
|
|
* instance, make sure to pass false there. |
397
|
|
|
* |
398
|
|
|
* @param mixed $id record id |
399
|
|
|
* @param array $fields list of fields you need. |
400
|
|
|
* @param bool $hydrate whether to hydrate object or not |
401
|
|
|
* |
402
|
|
|
* @return array|null|object |
403
|
|
|
*/ |
404
|
|
|
public function selectSingleFields($id, array $fields, $hydrate = true) |
405
|
|
|
{ |
406
|
|
|
$builder = $this->repository->createQueryBuilder(); |
407
|
|
|
$idField = $this->repository->getClassMetadata()->getIdentifier()[0]; |
408
|
|
|
|
409
|
|
|
$record = $builder |
410
|
|
|
->field($idField)->equals($id) |
411
|
|
|
->select($fields) |
412
|
|
|
->hydrate($hydrate) |
413
|
|
|
->getQuery() |
414
|
|
|
->getSingleResult(); |
415
|
|
|
|
416
|
|
|
return $record; |
417
|
|
|
} |
418
|
|
|
|
419
|
|
|
/** |
420
|
|
|
* get classname of entity |
421
|
|
|
* |
422
|
|
|
* @return string |
423
|
|
|
*/ |
424
|
|
|
public function getEntityClass() |
425
|
|
|
{ |
426
|
|
|
return $this->repository->getDocumentName(); |
427
|
|
|
} |
428
|
|
|
|
429
|
|
|
/** |
430
|
|
|
* {@inheritDoc} |
431
|
|
|
* |
432
|
|
|
* Currently this is being used to build the route id used for redirecting |
433
|
|
|
* to newly made documents. It might benefit from having a different name |
434
|
|
|
* for those purposes. |
435
|
|
|
* |
436
|
|
|
* We might use a convention based mapping here: |
437
|
|
|
* Graviton\CoreBundle\Document\App -> mongodb://graviton_core |
438
|
|
|
* Graviton\CoreBundle\Entity\Table -> mysql://graviton_core |
439
|
|
|
* |
440
|
|
|
* @todo implement this in a more convention based manner |
441
|
|
|
* |
442
|
|
|
* @return string |
443
|
|
|
*/ |
444
|
|
|
public function getConnectionName() |
445
|
|
|
{ |
446
|
|
|
$bundle = strtolower(substr(explode('\\', get_class($this))[1], 0, -6)); |
447
|
|
|
|
448
|
|
|
return 'graviton.' . $bundle; |
449
|
|
|
} |
450
|
|
|
|
451
|
|
|
/** |
452
|
|
|
* Does the actual query using the RQL Bundle. |
453
|
|
|
* |
454
|
|
|
* @param Builder $queryBuilder Doctrine ODM QueryBuilder |
455
|
|
|
* @param Query $query query from parser |
456
|
|
|
* |
457
|
|
|
* @return array |
|
|
|
|
458
|
|
|
*/ |
459
|
|
|
protected function doRqlQuery($queryBuilder, Query $query) |
460
|
|
|
{ |
461
|
|
|
$this->visitor->setBuilder($queryBuilder); |
462
|
|
|
|
463
|
|
|
return $this->visitor->visit($query); |
464
|
|
|
} |
465
|
|
|
|
466
|
|
|
/** |
467
|
|
|
* Checks the recordOrigin attribute of a record and will throw an exception if value is not allowed |
468
|
|
|
* |
469
|
|
|
* @param Object $record record |
470
|
|
|
* |
471
|
|
|
* @return void |
472
|
|
|
*/ |
473
|
|
|
protected function checkIfOriginRecord($record) |
474
|
|
|
{ |
475
|
|
|
if ($record instanceof RecordOriginInterface |
476
|
|
|
&& !$record->isRecordOriginModifiable() |
477
|
|
|
) { |
478
|
|
|
$values = $this->notModifiableOriginRecords; |
479
|
|
|
$originValue = strtolower(trim($record->getRecordOrigin())); |
480
|
|
|
|
481
|
|
|
if (in_array($originValue, $values)) { |
482
|
|
|
$msg = sprintf("Must not be one of the following keywords: %s", implode(', ', $values)); |
483
|
|
|
|
484
|
|
|
throw new RecordOriginModifiedException($msg); |
485
|
|
|
} |
486
|
|
|
} |
487
|
|
|
} |
488
|
|
|
|
489
|
|
|
/** |
490
|
|
|
* Determines the configured amount fo data records to be returned in pagination context. |
491
|
|
|
* |
492
|
|
|
* @return int |
493
|
|
|
*/ |
494
|
|
|
private function getDefaultLimit() |
495
|
|
|
{ |
496
|
|
|
if (0 < $this->paginationDefaultLimit) { |
497
|
|
|
return $this->paginationDefaultLimit; |
498
|
|
|
} |
499
|
|
|
|
500
|
|
|
return 10; |
501
|
|
|
} |
502
|
|
|
|
503
|
|
|
/** |
504
|
|
|
* @param Boolean $active active |
505
|
|
|
* @param String $field field |
506
|
|
|
* @return void |
507
|
|
|
*/ |
508
|
|
|
public function setFilterByAuthUser($active, $field) |
509
|
|
|
{ |
510
|
|
|
$this->filterByAuthUser = is_bool($active) ? $active : false; |
511
|
|
|
$this->filterByAuthField = $field; |
512
|
|
|
} |
513
|
|
|
} |
514
|
|
|
|
This check looks for
@param
annotations where the type inferred by our type inference engine differs from the declared type.It makes a suggestion as to what type it considers more descriptive.
Most often this is a case of a parameter that can be null in addition to its declared types.