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<?php |
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/** |
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* This file is part of Railt package. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace Railt\SDL\Frontend\Deferred; |
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use Railt\SDL\Frontend\Map; |
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use Railt\SDL\IR\Type\TypeNameInterface; |
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/** |
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* Class Storage |
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*/ |
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class Storage implements \IteratorAggregate, \Countable |
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{ |
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/** |
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* @var int |
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*/ |
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private $id = 0; |
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/** |
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* @var Map<TypeNameInterface|int,DeferredInterface> |
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*/ |
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private $deferred; |
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/** |
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* Storage constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->deferred = new Map(); |
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} |
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/** |
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* @param DeferredInterface $deferred |
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* @return DeferredInterface |
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*/ |
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public function add(DeferredInterface $deferred): DeferredInterface |
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{ |
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$id = $deferred instanceof Identifiable ? $deferred->getDefinition()->getName() : $this->id++; |
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return $this->deferred[$id] = $deferred; |
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} |
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/** |
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* @param TypeNameInterface $name |
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* @return null|DeferredInterface |
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*/ |
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public function first(TypeNameInterface $name): ?DeferredInterface |
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{ |
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return $this->deferred[$name] ?? null; |
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} |
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/** |
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* @param \Closure $filter |
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* @return iterable |
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*/ |
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public function only(\Closure $filter): iterable |
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{ |
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foreach ($this->getIterator() as $key => $deferred) { |
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if ($filter($deferred, $key)) { |
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yield $key => $deferred; |
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} |
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} |
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} |
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/** |
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* @param \Closure $filter |
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* @return iterable|DeferredInterface[] |
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*/ |
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public function extract(\Closure $filter): iterable |
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{ |
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foreach ($this->only($filter) as $key => $deferred) { |
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if ($filter($deferred, $key)) { |
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$this->deferred->delete($key); |
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yield $key => $deferred; |
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} |
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} |
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} |
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/** |
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* @return iterable|DeferredInterface[] |
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*/ |
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public function getIterator(): iterable |
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{ |
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foreach ($this->deferred as $key => $deferred) { |
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yield $key => $deferred; |
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} |
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} |
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/** |
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* @return int |
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*/ |
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public function count(): int |
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{ |
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return \count($this->deferred); |
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} |
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} |
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railt /
sdl
