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<?php |
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declare(strict_types=1); |
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namespace Stratadox\IdentityMap; |
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/** |
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* Ignore a certain class, for instance a value object. |
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* |
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* @author Stratadox |
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*/ |
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final class Ignore implements MapsObjectsByIdentity |
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{ |
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private $ignoredClass; |
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private $identityMap; |
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private function __construct(string $ignoredClass, MapsObjectsByIdentity $identityMap) |
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{ |
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$this->ignoredClass = $ignoredClass; |
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$this->identityMap = $identityMap->removeAllObjectsOfThe($ignoredClass); |
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} |
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/** |
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* Wraps the identity map with a decorator that ignores a certain class. |
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* |
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* @param string $ignoredClass The class to be ignored. |
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* @param MapsObjectsByIdentity $identityMap The identity map to wrap. |
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* @return MapsObjectsByIdentity The wrapped identity map. |
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*/ |
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public static function the(string $ignoredClass, MapsObjectsByIdentity $identityMap): MapsObjectsByIdentity |
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{ |
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return new self($ignoredClass, $identityMap); |
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} |
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/** |
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* Wraps a new identity map with decorators that ignore certain classes. |
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* |
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* @param string ...$ignoredClass The classes to be ignored. |
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* @return MapsObjectsByIdentity The wrapped identity map. |
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*/ |
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public static function these(string ...$ignoredClasses): MapsObjectsByIdentity |
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{ |
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$map = IdentityMap::startEmpty(); |
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foreach ($ignoredClasses as $class) { |
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$map = Ignore::the($class, $map); |
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} |
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return $map; |
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} |
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/** @inheritdoc */ |
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public function has(string $class, string $id): bool |
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{ |
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return $this->identityMap->has($class, $id); |
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} |
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/** @inheritdoc */ |
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public function hasThe(object $object): bool |
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{ |
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return $this->identityMap->hasThe($object); |
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} |
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/** @inheritdoc */ |
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public function get(string $class, string $id): object |
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{ |
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return $this->identityMap->get($class, $id); |
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} |
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/** @inheritdoc */ |
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public function add(string $id, object $object): MapsObjectsByIdentity |
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{ |
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if ($object instanceof $this->ignoredClass) { |
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return $this; |
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} |
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return new self($this->ignoredClass, $this->identityMap->add($id, $object)); |
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} |
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/** @inheritdoc */ |
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public function remove(string $class, string $id): MapsObjectsByIdentity |
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{ |
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if ($class === $this->ignoredClass) { |
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return $this; |
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} |
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return $this->newMap($this->identityMap->remove($class, $id)); |
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} |
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/** @inheritdoc */ |
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public function removeThe(object $object): MapsObjectsByIdentity |
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{ |
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return $this->newMap($this->identityMap->removeThe($object)); |
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} |
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/** @inheritdoc */ |
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public function removeAllObjectsOfThe(string $class): MapsObjectsByIdentity |
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{ |
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if ($class === $this->ignoredClass) { |
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return $this; |
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} |
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return $this->newMap($this->identityMap->removeAllObjectsOfThe($class)); |
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} |
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/** @inheritdoc */ |
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public function idOf(object $object): string |
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{ |
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return $this->identityMap->idOf($object); |
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} |
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private function newMap(MapsObjectsByIdentity $map): MapsObjectsByIdentity |
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{ |
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return new self($this->ignoredClass, $map); |
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} |
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} |
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Stratadox /
IdentityMap
