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<?php |
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namespace Vox\Webservice; |
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use AppendIterator; |
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use BadMethodCallException; |
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use Metadata\MetadataFactoryInterface; |
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use SplObjectStorage; |
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/** |
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* the unit of work keeps track of the transfers current state, works as a sort of memento pattern |
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* its really important part of the persistence proccess |
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* |
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* @author Jhonatan Teixeira <[email protected]> |
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*/ |
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class UnityOfWork implements UnityOfWorkInterface |
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{ |
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use MetadataTrait; |
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/** |
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* @var ObjectStorageInterface |
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*/ |
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private $cleanData; |
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/** |
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* @var ObjectStorageInterface |
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*/ |
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private $data; |
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/** |
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* @var SplObjectStorage |
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*/ |
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private $newObjects; |
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/** |
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* @var SplObjectStorage |
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*/ |
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private $removedObjects; |
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public function __construct(MetadataFactoryInterface $metadataFactory) |
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{ |
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$this->metadataFactory = $metadataFactory; |
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$this->cleanData = new ObjectStorage($metadataFactory); |
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$this->data = new ObjectStorage($metadataFactory); |
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$this->newObjects = new SplObjectStorage(); |
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$this->removedObjects = new SplObjectStorage(); |
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} |
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public function contains($object): bool |
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{ |
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return $this->data->contains($object) |
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|| $this->newObjects->contains($object); |
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} |
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public function attach($object) |
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{ |
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$id = $this->getIdValue($object); |
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if (!$id) { |
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$this->newObjects->attach($object); |
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return; |
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} |
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if (!$this->cleanData->contains($object)) { |
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$this->cleanData->attach(clone $object); |
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} |
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if (!$this->data->contains($object)) { |
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$this->data->attach($object); |
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} |
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} |
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public function detach($object) |
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{ |
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if ($this->cleanData->contains($object)) { |
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$this->cleanData->detach($object); |
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} |
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if ($this->data->contains($object)) { |
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$this->data->detach($object); |
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} |
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if ($this->newObjects->contains($object)) { |
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$this->newObjects->detach($object); |
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} |
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} |
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public function remove($object) |
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{ |
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if (!$this->contains($object)) { |
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throw new \RuntimeException('object ' . get_class($object) . ' is not managed'); |
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} |
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if (!$this->removedObjects->contains($object)) { |
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$this->removedObjects->attach($object); |
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} |
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$this->detach($object); |
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1 |
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} |
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public function isNew($object): bool |
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{ |
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return empty($this->getIdValue($object)) |
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&& ($this->newObjects->contains($object) |
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|| !$this->cleanData->contains($object)); |
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} |
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public function isDirty($object): bool |
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{ |
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return $this->data->contains($object) |
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&& !$this->cleanData->isEquals($object); |
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} |
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public function isDetached($object): bool |
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{ |
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return !empty($this->getIdValue($object)) |
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&& !$this->cleanData->contains($object); |
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} |
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9 |
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public function getIterator() |
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{ |
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$iterator = new AppendIterator(); |
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$iterator->append($this->newObjects); |
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$iterator->append($this->data->getIterator()); |
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$iterator->append($this->removedObjects); |
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return $iterator; |
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} |
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public function isEquals($object): bool |
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{ |
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throw new BadMethodCallException('not implemented'); |
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} |
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1 |
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public function isRemoved($object): bool |
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{ |
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return $this->removedObjects->contains($object); |
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} |
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/** |
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142
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* @param string $className |
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143
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* @param scalar $id |
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* |
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145
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* @return object |
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*/ |
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147
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5 |
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public function fetchByParams(...$params) |
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{ |
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5 |
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return $this->data->fetchByParams(...$params); |
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} |
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} |
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jhonatanTeixeira /
restfull-client-orm
