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<?php declare(strict_types=1); |
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/** |
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* This file is part of the daikon-cqrs/couchdb-adapter project. |
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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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namespace Daikon\CouchDb\Storage; |
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use Daikon\Dbal\Exception\DocumentConflict; |
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use Daikon\EventSourcing\Aggregate\AggregateIdInterface; |
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use Daikon\EventSourcing\Aggregate\AggregateRevision; |
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use Daikon\EventSourcing\EventStore\Commit\CommitInterface; |
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use Daikon\EventSourcing\EventStore\Storage\StorageError; |
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use Daikon\EventSourcing\EventStore\Storage\StorageResultInterface; |
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use Daikon\EventSourcing\EventStore\Storage\StorageSuccess; |
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use Daikon\EventSourcing\EventStore\Storage\StreamStorageInterface; |
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use Daikon\EventSourcing\EventStore\Stream\Sequence; |
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use Daikon\EventSourcing\EventStore\Stream\Stream; |
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use Daikon\EventSourcing\EventStore\Stream\StreamInterface; |
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final class CouchDbStreamStorage implements StreamStorageInterface |
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{ |
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private CouchDbStorageAdapter $storageAdapter; |
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public function __construct(CouchDbStorageAdapter $storageAdapter) |
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{ |
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$this->storageAdapter = $storageAdapter; |
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} |
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public function load( |
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AggregateIdInterface $aggregateId, |
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AggregateRevision $from = null, |
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AggregateRevision $to = null |
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): StreamInterface { |
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$commitSequence = $this->storageAdapter->load((string)$aggregateId, (string)$from, (string)$to); |
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return Stream::fromNative([ |
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'aggregateId' => $aggregateId->toNative(), |
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'commitSequence' => $commitSequence->toNative() |
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]); |
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} |
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public function append(StreamInterface $stream, Sequence $knownHead): StorageResultInterface |
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{ |
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$commitSequence = $stream->getCommitRange($knownHead->increment(), $stream->getHeadSequence()); |
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try { |
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/** @var CommitInterface $commit */ |
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foreach ($commitSequence as $commit) { |
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$identifier = $stream->getAggregateId().'-'.(string)$commit->getSequence(); |
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$this->storageAdapter->append($identifier, $commit->toNative()); |
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} |
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} catch (DocumentConflict $error) { |
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return new StorageError; |
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} |
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return new StorageSuccess; |
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} |
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} |
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daikon-cqrs /
couchdb-adapter
