58 lines
2.4 KiB
C#
58 lines
2.4 KiB
C#
using Microsoft.Extensions.Logging;
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using Orleans.Runtime;
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using Orleans.Streams;
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using StackExchange.Redis;
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using System.Text.Json;
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namespace Provider
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{
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public class RedisStreamAdapter : IQueueAdapter
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{
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private readonly IDatabase _database;
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private readonly string _providerName;
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private readonly HashRingBasedStreamQueueMapper _hashRingBasedStreamQueueMapper;
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private readonly ILoggerFactory _loggerFactory;
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private readonly ILogger<RedisStreamAdapter> _logger;
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public RedisStreamAdapter(IDatabase database, string providerName, HashRingBasedStreamQueueMapper hashRingBasedStreamQueueMapper, ILoggerFactory loggerFactory)
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{
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_database = database;
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_providerName = providerName;
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_hashRingBasedStreamQueueMapper = hashRingBasedStreamQueueMapper;
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_loggerFactory = loggerFactory;
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_logger = loggerFactory.CreateLogger<RedisStreamAdapter>();
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}
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public string Name => _providerName;
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public bool IsRewindable => false;
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public StreamProviderDirection Direction => StreamProviderDirection.ReadWrite;
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public IQueueAdapterReceiver CreateReceiver(QueueId queueId)
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{
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return new RedisStreamReceiver(queueId, _database, _loggerFactory.CreateLogger<RedisStreamReceiver>());
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}
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public async Task QueueMessageBatchAsync<T>(StreamId streamId, IEnumerable<T> events, StreamSequenceToken token, Dictionary<string, object> requestContext)
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{
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try
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{
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foreach (var @event in events)
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{
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NameValueEntry streamNamespaceEntry = new("streamNamespace", streamId.Namespace);
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NameValueEntry streamKeyEntry = new("streamKey", streamId.Key);
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NameValueEntry eventTypeEntry = new("eventType", @event!.GetType().Name);
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NameValueEntry dataEntry = new("data", JsonSerializer.Serialize(@event));
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var queueId = _hashRingBasedStreamQueueMapper.GetQueueForStream(streamId);
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await _database.StreamAddAsync(queueId.ToString(), [streamNamespaceEntry, streamKeyEntry, eventTypeEntry, dataEntry]);
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}
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Error adding event to stream {StreamId}", streamId);
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}
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}
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}
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}
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