libgraviton /
graviton
Complex classes like DocumentModel often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use DocumentModel, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 33 | class DocumentModel extends SchemaModel implements ModelInterface |
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| 34 | { |
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| 35 | /** |
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| 36 | * @var string |
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| 37 | */ |
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| 38 | protected $description; |
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| 39 | /** |
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| 40 | * @var string[] |
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| 41 | */ |
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| 42 | protected $fieldTitles; |
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| 43 | /** |
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| 44 | * @var string[] |
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| 45 | */ |
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| 46 | protected $fieldDescriptions; |
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| 47 | /** |
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| 48 | * @var string[] |
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| 49 | */ |
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| 50 | protected $requiredFields = array(); |
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| 51 | /** |
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| 52 | * @var string[] |
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| 53 | */ |
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| 54 | protected $searchableFields = array(); |
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| 55 | /** |
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| 56 | * @var DocumentRepository |
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| 57 | */ |
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| 58 | private $repository; |
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| 59 | /** |
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| 60 | * @var Visitor |
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| 61 | */ |
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| 62 | private $visitor; |
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| 63 | /** |
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| 64 | * @var array |
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| 65 | */ |
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| 66 | protected $notModifiableOriginRecords; |
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| 67 | /** |
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| 68 | * @var integer |
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| 69 | */ |
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| 70 | private $paginationDefaultLimit; |
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| 71 | |||
| 72 | /** |
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| 73 | * @var boolean |
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| 74 | */ |
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| 75 | protected $filterByAuthUser; |
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| 76 | |||
| 77 | /** |
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| 78 | * @var string |
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| 79 | */ |
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| 80 | protected $filterByAuthField; |
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| 81 | |||
| 82 | /** |
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| 83 | * @var RqlTranslator |
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| 84 | */ |
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| 85 | protected $translator; |
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| 86 | |||
| 87 | /** |
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| 88 | * @var DocumentManager |
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| 89 | */ |
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| 90 | protected $manager; |
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| 91 | |||
| 92 | /** |
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| 93 | * @param Visitor $visitor rql query visitor |
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| 94 | * @param RqlTranslator $translator Translator for query modification |
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| 95 | * @param array $notModifiableOriginRecords strings with not modifiable recordOrigin values |
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| 96 | * @param integer $paginationDefaultLimit amount of data records to be returned when in pagination context |
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| 97 | */ |
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| 98 | 4 | public function __construct( |
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| 110 | |||
| 111 | /** |
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| 112 | * get repository instance |
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| 113 | * |
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| 114 | * @return DocumentRepository |
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| 115 | */ |
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| 116 | 2 | public function getRepository() |
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| 120 | |||
| 121 | /** |
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| 122 | * create new app model |
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| 123 | * |
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| 124 | * @param DocumentRepository $repository Repository of countries |
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| 125 | * |
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| 126 | * @return \Graviton\RestBundle\Model\DocumentModel |
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| 127 | */ |
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| 128 | 4 | public function setRepository(DocumentRepository $repository) |
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| 135 | |||
| 136 | /** |
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| 137 | * {@inheritDoc} |
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| 138 | * |
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| 139 | * @param Request $request The request object |
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| 140 | * @param SecurityUser $user SecurityUser Object |
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| 141 | * @param SchemaDocument $schema Schema model used for search fields extraction |
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| 142 | * |
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| 143 | * @return array |
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| 144 | */ |
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| 145 | public function findAll(Request $request, SecurityUser $user = null, SchemaDocument $schema = null) |
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| 255 | |||
| 256 | /** |
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| 257 | * @param string $prefix the prefix for custom text search indexes |
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| 258 | * @return bool |
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| 259 | * @throws \Doctrine\ODM\MongoDB\MongoDBException |
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| 260 | */ |
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| 261 | private function hasCustomSearchIndex($prefix = 'search') |
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| 272 | |||
| 273 | /** |
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| 274 | * @return string the version of the MongoDB as a string |
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| 275 | */ |
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| 276 | private function getMongoDBVersion() |
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| 287 | |||
| 288 | /** |
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| 289 | * @param object $entity entity to insert |
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| 290 | * @param bool $returnEntity true to return entity |
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| 291 | * @param bool $doFlush if we should flush or not after insert |
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| 292 | * |
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| 293 | * @return Object|null |
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| 294 | */ |
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| 295 | public function insertRecord($entity, $returnEntity = true, $doFlush = true) |
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| 307 | |||
| 308 | /** |
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| 309 | * @param string $documentId id of entity to find |
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| 310 | * |
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| 311 | * @return Object |
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| 312 | */ |
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| 313 | 4 | public function find($documentId) |
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| 317 | |||
| 318 | /** |
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| 319 | * {@inheritDoc} |
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| 320 | * |
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| 321 | * @param string $documentId id of entity to update |
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| 322 | * @param Object $entity new entity |
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| 323 | * @param bool $returnEntity true to return entity |
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| 324 | * |
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| 325 | * @return Object|null |
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| 326 | */ |
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| 327 | 2 | public function updateRecord($documentId, $entity, $returnEntity = true) |
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| 349 | |||
| 350 | /** |
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| 351 | * {@inheritDoc} |
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| 352 | * |
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| 353 | * @param string|object $id id of entity to delete or entity instance |
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| 354 | * |
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| 355 | * @return null|Object |
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| 356 | */ |
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| 357 | public function deleteRecord($id) |
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| 375 | |||
| 376 | /** |
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| 377 | * Triggers a flush on the DocumentManager |
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| 378 | * |
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| 379 | * @param null $document optional document |
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| 380 | * |
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| 381 | * @return void |
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| 382 | */ |
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| 383 | public function flush($document = null) |
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| 387 | |||
| 388 | /** |
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| 389 | * A low level delete without any checks |
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| 390 | * |
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| 391 | * @param mixed $id record id |
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| 392 | * |
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| 393 | * @return void |
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| 394 | */ |
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| 395 | 2 | private function deleteById($id) |
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| 404 | |||
| 405 | /** |
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| 406 | * Checks in a performant way if a certain record id exists in the database |
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| 407 | * |
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| 408 | * @param mixed $id record id |
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| 409 | * |
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| 410 | * @return bool true if it exists, false otherwise |
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| 411 | */ |
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| 412 | 4 | public function recordExists($id) |
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| 416 | |||
| 417 | /** |
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| 418 | * Returns a set of fields from an existing resource in a performant manner. |
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| 419 | * If you need to check certain fields on an object (and don't need everything), this |
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| 420 | * is a better way to get what you need. |
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| 421 | * If the record is not present, you will receive null. If you don't need an hydrated |
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| 422 | * instance, make sure to pass false there. |
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| 423 | * |
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| 424 | * @param mixed $id record id |
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| 425 | * @param array $fields list of fields you need. |
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| 426 | * @param bool $hydrate whether to hydrate object or not |
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| 427 | * |
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| 428 | * @return array|null|object |
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| 429 | */ |
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| 430 | 4 | public function selectSingleFields($id, array $fields, $hydrate = true) |
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| 444 | |||
| 445 | /** |
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| 446 | * get classname of entity |
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| 447 | * |
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| 448 | * @return string |
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| 449 | */ |
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| 450 | 4 | public function getEntityClass() |
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| 454 | |||
| 455 | /** |
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| 456 | * {@inheritDoc} |
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| 457 | * |
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| 458 | * Currently this is being used to build the route id used for redirecting |
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| 459 | * to newly made documents. It might benefit from having a different name |
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| 460 | * for those purposes. |
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| 461 | * |
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| 462 | * We might use a convention based mapping here: |
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| 463 | * Graviton\CoreBundle\Document\App -> mongodb://graviton_core |
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| 464 | * Graviton\CoreBundle\Entity\Table -> mysql://graviton_core |
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| 465 | * |
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| 466 | * @todo implement this in a more convention based manner |
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| 467 | * |
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| 468 | * @return string |
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| 469 | */ |
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| 470 | public function getConnectionName() |
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| 476 | |||
| 477 | /** |
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| 478 | * Does the actual query using the RQL Bundle. |
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| 479 | * |
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| 480 | * @param Builder $queryBuilder Doctrine ODM QueryBuilder |
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| 481 | * @param Query $query query from parser |
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| 482 | * |
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| 483 | * @return array |
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| 484 | */ |
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| 485 | protected function doRqlQuery($queryBuilder, Query $query) |
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| 491 | |||
| 492 | /** |
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| 493 | * Checks the recordOrigin attribute of a record and will throw an exception if value is not allowed |
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| 494 | * |
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| 495 | * @param Object $record record |
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| 496 | * |
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| 497 | * @return void |
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| 498 | */ |
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| 499 | 14 | protected function checkIfOriginRecord($record) |
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| 514 | |||
| 515 | /** |
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| 516 | * Determines the configured amount fo data records to be returned in pagination context. |
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| 517 | * |
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| 518 | * @return int |
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| 519 | */ |
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| 520 | private function getDefaultLimit() |
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| 528 | |||
| 529 | /** |
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| 530 | * @param Boolean $active active |
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| 531 | * @param String $field field |
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| 532 | * @return void |
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| 533 | */ |
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| 534 | 4 | public function setFilterByAuthUser($active, $field) |
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| 539 | } |
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| 540 |
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This check looks for
@paramannotations 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.