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<?php |
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/** |
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* Event Sourcing implementation module |
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* |
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* @author Maksim Masiukevich <[email protected]> |
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* @license MIT |
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* @license https://opensource.org/licenses/MIT |
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*/ |
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declare(strict_types = 1); |
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namespace ServiceBus\EventSourcingModule; |
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use function Amp\call; |
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use Amp\Promise; |
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use ServiceBus\EventSourcing\Indexes\IndexKey; |
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use ServiceBus\EventSourcing\Indexes\IndexValue; |
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use ServiceBus\EventSourcing\Indexes\Store\IndexStore; |
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use ServiceBus\EventSourcingModule\Exceptions\IndexOperationFailed; |
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use ServiceBus\Storage\Common\Exceptions\UniqueConstraintViolationCheckFailed; |
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/** |
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* |
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*/ |
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final class IndexProvider |
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{ |
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/** |
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* @var IndexStore |
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*/ |
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private $store; |
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/** |
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* @param IndexStore $store |
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*/ |
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public function __construct(IndexStore $store) |
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{ |
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$this->store = $store; |
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} |
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/** |
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* Receive index value |
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* |
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* @noinspection PhpDocRedundantThrowsInspection |
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* @psalm-suppress MixedTypeCoercion Incorrect resolving the value of the promise |
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* |
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* @param IndexKey $indexKey |
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* |
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* @return Promise<\ServiceBus\EventSourcing\Indexes\IndexValue|null> |
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* |
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* @throws \ServiceBus\EventSourcingModule\Exceptions\IndexOperationFailed |
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*/ |
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public function get(IndexKey $indexKey): Promise |
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{ |
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/** @psalm-suppress InvalidArgument Incorrect psalm unpack parameters (...$args) */ |
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return call( |
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function(IndexKey $indexKey): \Generator |
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{ |
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try |
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{ |
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/** |
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* @psalm-suppress TooManyTemplateParams Wrong Promise template |
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* @var IndexValue|null $value |
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*/ |
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$value = yield $this->store->find($indexKey); |
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return $value; |
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} |
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catch(\Throwable $throwable) |
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{ |
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throw IndexOperationFailed::fromThrowable($throwable); |
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} |
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}, |
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$indexKey |
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); |
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} |
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/** |
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* Is there a value in the index |
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* |
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* @noinspection PhpDocRedundantThrowsInspection |
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* @psalm-suppress MixedTypeCoercion Incorrect resolving the value of the promise |
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* |
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* @param IndexKey $indexKey |
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* |
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* @return Promise<bool> |
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* |
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* @throws \ServiceBus\EventSourcingModule\Exceptions\IndexOperationFailed |
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*/ |
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public function has(IndexKey $indexKey): Promise |
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{ |
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/** @psalm-suppress InvalidArgument Incorrect psalm unpack parameters (...$args) */ |
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return call( |
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function(IndexKey $indexKey): \Generator |
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{ |
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try |
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{ |
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/** |
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* @psalm-suppress TooManyTemplateParams Wrong Promise template |
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* @var IndexValue|null $value |
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*/ |
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$value = yield $this->store->find($indexKey); |
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return null !== $value; |
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} |
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catch(\Throwable $throwable) |
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{ |
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throw IndexOperationFailed::fromThrowable($throwable); |
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} |
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}, |
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$indexKey |
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); |
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} |
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/** |
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* Add a value to the index. If false, then the value already exists |
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* |
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* @noinspection PhpDocRedundantThrowsInspection |
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* @psalm-suppress MixedTypeCoercion Incorrect resolving the value of the promise |
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* |
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* @param IndexKey $indexKey |
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* @param IndexValue $value |
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* |
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* @return Promise<bool> |
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* |
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* @throws \ServiceBus\EventSourcingModule\Exceptions\IndexOperationFailed |
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*/ |
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public function add(IndexKey $indexKey, IndexValue $value): Promise |
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{ |
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/** @psalm-suppress InvalidArgument Incorrect psalm unpack parameters (...$args) */ |
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return call( |
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function(IndexKey $indexKey, IndexValue $value): \Generator |
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{ |
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try |
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{ |
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/** |
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* @psalm-suppress TooManyTemplateParams Wrong Promise template |
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* @var int $affectedRows |
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*/ |
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$affectedRows = yield $this->store->add($indexKey, $value); |
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return 0 !== $affectedRows; |
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} |
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catch(UniqueConstraintViolationCheckFailed $exception) |
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{ |
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return false; |
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} |
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catch(\Throwable $throwable) |
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{ |
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throw IndexOperationFailed::fromThrowable($throwable); |
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} |
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}, |
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$indexKey, $value |
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); |
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} |
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/** |
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* Remove value from index |
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* |
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* @noinspection PhpDocRedundantThrowsInspection |
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* |
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* @param IndexKey $indexKey |
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* |
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* @return Promise It doesn't return any result |
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* |
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* @throws \ServiceBus\EventSourcingModule\Exceptions\IndexOperationFailed |
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*/ |
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public function remove(IndexKey $indexKey): Promise |
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{ |
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/** @psalm-suppress InvalidArgument Incorrect psalm unpack parameters (...$args) */ |
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return call( |
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function(IndexKey $indexKey): \Generator |
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{ |
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try |
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{ |
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yield $this->store->delete($indexKey); |
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} |
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catch(\Throwable $throwable) |
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{ |
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throw IndexOperationFailed::fromThrowable($throwable); |
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} |
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}, |
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$indexKey |
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); |
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} |
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/** |
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* Update value in index |
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* |
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* @noinspection PhpDocRedundantThrowsInspection |
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* @psalm-suppress MixedTypeCoercion Incorrect resolving the value of the promise |
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* |
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* @param IndexKey $indexKey |
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* @param IndexValue $value |
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* |
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* @return Promise<bool> |
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* |
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* @throws \ServiceBus\EventSourcingModule\Exceptions\IndexOperationFailed |
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*/ |
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public function update(IndexKey $indexKey, IndexValue $value): Promise |
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{ |
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/** @psalm-suppress InvalidArgument Incorrect psalm unpack parameters (...$args) */ |
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return call( |
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function(IndexKey $indexKey, IndexValue $value): \Generator |
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{ |
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try |
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{ |
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/** |
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* @psalm-suppress TooManyTemplateParams Wrong Promise template |
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* @var int $affectedRows |
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*/ |
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$affectedRows = yield $this->store->update($indexKey, $value); |
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return 0 !== $affectedRows; |
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} |
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catch(\Throwable $throwable) |
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{ |
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throw IndexOperationFailed::fromThrowable($throwable); |
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} |
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}, |
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$indexKey, $value |
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); |
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} |
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} |
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