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<?php |
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namespace Daikon\CouchDb\Storage; |
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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\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\Stream; |
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use Daikon\EventSourcing\EventStore\Stream\StreamIdInterface; |
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use Daikon\EventSourcing\EventStore\Stream\StreamInterface; |
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use Daikon\EventSourcing\EventStore\Stream\StreamRevision; |
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final class CouchDbStreamStorage implements StreamStorageInterface |
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{ |
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private $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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StreamIdInterface $streamId, |
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AggregateRevision $from = null, |
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AggregateRevision $to = null |
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): StreamInterface { |
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$commitSequence = $this->storageAdapter->load($streamId->toNative()); |
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return new Stream($streamId, $commitSequence); |
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} |
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public function append(StreamInterface $stream, StreamRevision $knownHead): StorageResultInterface |
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{ |
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$commitSequence = $stream->getCommitRange($knownHead->increment(), $stream->getStreamRevision()); |
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/** @var CommitInterface $commit */ |
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foreach ($commitSequence as $commit) { |
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$identifier = $stream->getStreamId()->toNative().'-'.$commit->getStreamRevision(); |
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$this->storageAdapter->append($identifier, $commit->toArray()); |
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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
