| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * WebHemi. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * PHP version 5.6 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * @copyright 2012 - 2016 Gixx-web (http://www.gixx-web.com) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * @license   https://opensource.org/licenses/MIT The MIT License (MIT) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * @link      http://www.gixx-web.com | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | namespace WebHemi\DataStorage; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | use WebHemi\Adapter\Data\DataAdapterInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | use WebHemi\DataEntity\DataEntityInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  * Class AbstractDataStorage. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  * Suppose to hide DataAdapter and DataEntity instances from children Storage objects. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  | abstract class AbstractDataStorage implements DataStorageInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |     /** @var DataAdapterInterface */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |     private $defaultAdapter; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |     /** @var DataEntityInterface */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |     private $entityPrototype; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |     /** @var string */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |     protected $dataGroup; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |     /** @var string */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |     protected $idKey; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |     /** @var bool */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |     protected $initialized = false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |      * UserMetaStorage constructor. The DataEntity SHOULD not be used directly unless it is required to represent | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |      * the same instance all the time. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |      * @param DataAdapterInterface $defaultAdapter | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |      * @param DataEntityInterface  $entityPrototype | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 | 1 |  |     final public function __construct(DataAdapterInterface $defaultAdapter, DataEntityInterface $entityPrototype) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |         // Every Storage object MUST have unique adapter instance to avoid override private properties like "dataGroup" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 | 1 |  |         $this->defaultAdapter = clone $defaultAdapter; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 | 1 |  |         $this->entityPrototype = $entityPrototype; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 | 1 |  |         $this->init(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 | 1 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |      * Special initialization method. The constructor MUST call it. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |      * @return DataStorageInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 | 1 |  |     public function init() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |         // They always walk in pair. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 | 1 |  |         if (!empty($this->dataGroup) && !empty($this->idKey)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 | 1 |  |             $this->defaultAdapter->setDataGroup($this->dataGroup); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 | 1 |  |             $this->defaultAdapter->setIdKey($this->idKey); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 | 1 |  |             $this->initialized = true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 | 1 |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 | 1 |  |         return $this; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |      * Checks if the storage is initialized. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |      * @return bool | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 71 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 72 | 1 |  |     final public function initialized() | 
            
                                                                        
                            
            
                                    
            
            
                | 73 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 74 | 1 |  |         return $this->initialized; | 
            
                                                                        
                            
            
                                    
            
            
                | 75 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |      * Returns the DataAdapter instance. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |      * @return DataAdapterInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 | 1 |  |     final public function getDataAdapter() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 | 1 |  |         return $this->defaultAdapter; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |      * Creates an empty entity. Should be use by getters. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |      * @return DataEntityInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 | 1 |  |     final public function createEntity() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 | 1 |  |         return clone $this->entityPrototype; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |      * Populates an entity with storage data. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |      * @param DataEntityInterface $entity | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |      * @param array               $data | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |     abstract protected function populateEntity(DataEntityInterface &$entity, array $data); | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 104 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 105 |  |  |  |