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<?php declare(strict_types=1); |
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/** |
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* It's free open-source software released under the MIT License. |
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* |
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* @author Anatoly Fenric <[email protected]> |
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* @copyright Copyright (c) 2021, Anatoly Fenric |
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* @license https://github.com/sunrise-php/hydrator/blob/master/LICENSE |
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* @link https://github.com/sunrise-php/hydrator |
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*/ |
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namespace Sunrise\Hydrator; |
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/** |
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* Import classes |
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*/ |
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use InvalidArgumentException; |
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use RuntimeException; |
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/** |
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* Import functions |
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*/ |
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use function sprintf; |
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/** |
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* ObjectCollection |
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*/ |
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abstract class ObjectCollection implements ObjectCollectionInterface |
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{ |
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/** |
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* The type of objects in the collection |
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* |
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* @var class-string |
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*/ |
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public const T = null; |
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/** |
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* The collection objects |
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* |
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* @var array<array-key, object> |
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*/ |
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private $objects = []; |
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/** |
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* {@inheritdoc} |
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* |
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* @throws RuntimeException |
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* If the called class doesn't contain the T constant. |
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*/ |
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final public function getItemClassName() : string |
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{ |
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if (null === static::T) { |
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throw new RuntimeException(sprintf( |
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'The %s collection must contain the T constant.', |
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1 |
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static::class |
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)); |
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} |
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return static::T; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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final public function add($key, object $object) : void |
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{ |
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$type = $this->getItemClassName(); |
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if (!($object instanceof $type)) { |
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throw new InvalidArgumentException(sprintf( |
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'The %s collection can contain the %s objects only.', |
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1 |
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static::class, |
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1 |
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$type |
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)); |
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} |
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$this->objects[$key] = $object; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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1 |
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final public function get($key) : ?object |
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{ |
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return $this->objects[$key] ?? null; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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1 |
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final public function all() : array |
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{ |
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1 |
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return $this->objects; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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1 |
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final public function isEmpty() : bool |
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{ |
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return [] === $this->objects; |
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} |
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} |
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sunrise-php /
hydrator
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