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<?php |
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declare(strict_types = 1); |
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namespace Behavioral; |
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use SplObjectStorage; |
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use DataSource\Connection; |
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use DataSource\DataMapper\AbstractMapper; |
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use BasePatterns\LayerSupertype\DomainObject; |
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class UnitOfWork |
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{ |
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private SplObjectStorage $newObjects; |
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private SplObjectStorage $dirtyObjects; |
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private SplObjectStorage $removedObjects; |
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private array $mappers = []; |
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private Connection $connection; |
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public function __construct(Connection $connection) |
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{ |
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$this->newObjects = new SplObjectStorage(); |
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$this->dirtyObjects = new SplObjectStorage(); |
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$this->removedObjects = new SplObjectStorage(); |
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$this->connection = $connection; |
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} |
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public function registerNew(DomainObject $object): void |
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{ |
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$this->newObjects->attach($object); |
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} |
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public function registerDirty(DomainObject $object): void |
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{ |
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if (!$this->removedObjects->contains($object) |
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&& !$this->dirtyObjects->contains($object) |
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&& !$this->newObjects->contains($object) |
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) { |
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$this->dirtyObjects->attach($object); |
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} |
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} |
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public function registerRemoved(DomainObject $object): void |
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{ |
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if ($this->newObjects->contains($object)) { |
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$this->newObjects->detach($object); |
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return; |
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} |
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$this->dirtyObjects->detach($object); |
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if (!$this->removedObjects->contains($object)) { |
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$this->removedObjects->attach($object); |
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} |
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} |
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public function registerDataMapper(string $className, string $mapperClassName): void |
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{ |
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$this->mappers[$className] = new $mapperClassName($this->connection); |
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} |
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public function getDataMapper(string $className): AbstractMapper |
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{ |
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if (\array_key_exists($className, $this->mappers)) { |
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return $this->mappers[$className]; |
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} |
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throw new \DomainException( |
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\sprintf("Unable to find mapper for class `%s`", $className) |
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); |
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} |
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} |
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akDeveloper /
patterns-eaa-in-php
