/// <summary>
/// Deserializes an event sequence token
/// </summary>
/// <param name="expected">The expected type.</param>
/// <param name="reader">The binary stream to read from.</param>
/// <returns></returns>
public static object Deserialize(Type expected, BinaryTokenStreamReader reader)
{
var result = new EventSequenceTokenV2(reader.ReadLong(), reader.ReadInt());
DeserializationContext.Current.RecordObject(result);
return(result);
}
/// <summary>
/// Deserializes an event sequence token
/// </summary>
/// <param name="expected">The expected type.</param>
/// <param name="context">The deserialization context.</param>
/// <returns></returns>
public static object Deserialize(Type expected, IDeserializationContext context)
{
var reader = context.StreamReader;
var result = new EventSequenceTokenV2(reader.ReadLong(), reader.ReadInt());
context.RecordObject(result);
return(result);
}
public void EventSequenceTokenV2_Serialize_IfNotNull()
{
var writer = new BinaryTokenStreamWriter();
var token = new EventSequenceTokenV2(long.MaxValue, int.MaxValue);
EventSequenceTokenV2.Serialize(token, writer, null);
var reader = new BinaryTokenStreamReader(writer.ToByteArray());
var deserialized = EventSequenceTokenV2.Deserialize(typeof(EventSequenceTokenV2), reader) as EventSequenceTokenV2;
Assert.NotNull(deserialized);
Assert.NotSame(token, deserialized);
Assert.Equal(token.EventIndex, deserialized.EventIndex);
Assert.Equal(token.SequenceNumber, deserialized.SequenceNumber);
}
/// <summary>
/// Create a deep copy of the token.
/// </summary>
/// <param name="original">The token to copy</param>
/// <returns>A copy</returns>
public static object DeepCopy(object original)
{
var source = original as EventSequenceTokenV2;
if (source == null)
{
return null;
}
var copy = new EventSequenceTokenV2(source.SequenceNumber, source.EventIndex);
SerializationContext.Current.RecordObject(original, copy);
return copy;
}
/// <summary>
/// Create a deep copy of the token.
/// </summary>
/// <param name="original">The token to copy</param>
/// <returns>A copy</returns>
public static object DeepCopy(object original)
{
var source = original as EventSequenceTokenV2;
if (source == null)
{
return(null);
}
var copy = new EventSequenceTokenV2(source.SequenceNumber, source.EventIndex);
SerializationContext.Current.RecordObject(original, copy);
return(copy);
}
/// <summary>
/// Create a deep copy of the token.
/// </summary>
/// <param name="original">The token to copy</param>
/// <param name="context">The serialization context.</param>
/// <returns>A copy</returns>
public static object DeepCopy(object original, ICopyContext context)
{
var source = original as EventSequenceTokenV2;
if (source == null)
{
return(null);
}
var copy = new EventSequenceTokenV2(source.SequenceNumber, source.EventIndex);
context.RecordCopy(original, copy);
return(copy);
}
public void EventSequenceTokenV2_DeepCopy_IfNotNull()
{
var token = new EventSequenceTokenV2(long.MaxValue, int.MaxValue);
var copy = EventSequenceTokenV2.DeepCopy(token) as EventSequenceToken;
Assert.NotNull(copy);
Assert.NotSame(token, copy);
Assert.Equal(token.EventIndex, copy.EventIndex);
Assert.Equal(token.SequenceNumber, copy.SequenceNumber);
var writer = new BinaryTokenStreamWriter();
SerializationManager.Serialize(token, writer);
var bytes = writer.ToByteArray();
var reader = new BinaryTokenStreamReader(bytes);
copy = SerializationManager.Deserialize(reader) as EventSequenceToken;
Assert.NotNull(copy);
Assert.NotSame(token, copy);
Assert.Equal(token.EventIndex, copy.EventIndex);
Assert.Equal(token.SequenceNumber, copy.SequenceNumber);
}
private async Task SendAndReceiveFromQueueAdapter(IQueueAdapterFactory adapterFactory, IProviderConfiguration config)
{
IQueueAdapter adapter = await adapterFactory.CreateAdapter();
IQueueAdapterCache cache = adapterFactory.GetQueueAdapterCache();
// Create receiver per queue
IStreamQueueMapper mapper = adapterFactory.GetStreamQueueMapper();
Dictionary<QueueId, IQueueAdapterReceiver> receivers = mapper.GetAllQueues().ToDictionary(queueId => queueId, adapter.CreateReceiver);
Dictionary<QueueId, IQueueCache> caches = mapper.GetAllQueues().ToDictionary(queueId => queueId, cache.CreateQueueCache);
await Task.WhenAll(receivers.Values.Select(receiver => receiver.Initialize(TimeSpan.FromSeconds(5))));
// test using 2 streams
Guid streamId1 = Guid.NewGuid();
Guid streamId2 = Guid.NewGuid();
int receivedBatches = 0;
var streamsPerQueue = new ConcurrentDictionary<QueueId, HashSet<IStreamIdentity>>();
// reader threads (at most 2 active queues because only two streams)
var work = new List<Task>();
foreach( KeyValuePair<QueueId, IQueueAdapterReceiver> receiverKvp in receivers)
{
QueueId queueId = receiverKvp.Key;
var receiver = receiverKvp.Value;
var qCache = caches[queueId];
Task task = Task.Factory.StartNew(() =>
{
while (receivedBatches < NumBatches)
{
var messages = receiver.GetQueueMessagesAsync(CloudQueueMessage.MaxNumberOfMessagesToPeek).Result.ToArray();
if (!messages.Any())
{
continue;
}
foreach (AzureQueueBatchContainer message in messages.Cast<AzureQueueBatchContainer>())
{
streamsPerQueue.AddOrUpdate(queueId,
id => new HashSet<IStreamIdentity> { new StreamIdentity(message.StreamGuid, message.StreamGuid.ToString()) },
(id, set) =>
{
set.Add(new StreamIdentity(message.StreamGuid, message.StreamGuid.ToString()));
return set;
});
output.WriteLine("Queue {0} received message on stream {1}", queueId,
message.StreamGuid);
Assert.Equal(NumMessagesPerBatch / 2, message.GetEvents<int>().Count()); // "Half the events were ints"
Assert.Equal(NumMessagesPerBatch / 2, message.GetEvents<string>().Count()); // "Half the events were strings"
}
Interlocked.Add(ref receivedBatches, messages.Length);
qCache.AddToCache(messages);
}
});
work.Add(task);
}
// send events
List<object> events = CreateEvents(NumMessagesPerBatch);
work.Add(Task.Factory.StartNew(() => Enumerable.Range(0, NumBatches)
.Select(i => i % 2 == 0 ? streamId1 : streamId2)
.ToList()
.ForEach(streamId =>
adapter.QueueMessageBatchAsync(streamId, streamId.ToString(),
events.Take(NumMessagesPerBatch).ToArray(), null, RequestContext.Export()).Wait())));
await Task.WhenAll(work);
// Make sure we got back everything we sent
Assert.Equal(NumBatches, receivedBatches);
// check to see if all the events are in the cache and we can enumerate through them
StreamSequenceToken firstInCache = new EventSequenceTokenV2(0);
foreach (KeyValuePair<QueueId, HashSet<IStreamIdentity>> kvp in streamsPerQueue)
{
var receiver = receivers[kvp.Key];
var qCache = caches[kvp.Key];
foreach (IStreamIdentity streamGuid in kvp.Value)
{
// read all messages in cache for stream
IQueueCacheCursor cursor = qCache.GetCacheCursor(streamGuid, firstInCache);
int messageCount = 0;
StreamSequenceToken tenthInCache = null;
StreamSequenceToken lastToken = firstInCache;
while (cursor.MoveNext())
{
Exception ex;
messageCount++;
IBatchContainer batch = cursor.GetCurrent(out ex);
output.WriteLine("Token: {0}", batch.SequenceToken);
Assert.True(batch.SequenceToken.CompareTo(lastToken) >= 0, $"order check for event {messageCount}");
lastToken = batch.SequenceToken;
if (messageCount == 10)
{
tenthInCache = batch.SequenceToken;
}
}
output.WriteLine("On Queue {0} we received a total of {1} message on stream {2}", kvp.Key, messageCount, streamGuid);
Assert.Equal(NumBatches / 2, messageCount);
Assert.NotNull(tenthInCache);
// read all messages from the 10th
cursor = qCache.GetCacheCursor(streamGuid, tenthInCache);
messageCount = 0;
while (cursor.MoveNext())
{
messageCount++;
}
output.WriteLine("On Queue {0} we received a total of {1} message on stream {2}", kvp.Key, messageCount, streamGuid);
const int expected = NumBatches / 2 - 10 + 1; // all except the first 10, including the 10th (10 + 1)
Assert.Equal(expected, messageCount);
}
}
}
/// <summary>
/// Deserializes an event sequence token
/// </summary>
/// <param name="expected">The expected type.</param>
/// <param name="reader">The binary stream to read from.</param>
/// <returns></returns>
public static object Deserialize(Type expected, BinaryTokenStreamReader reader)
{
var result = new EventSequenceTokenV2(reader.ReadLong(), reader.ReadInt());
DeserializationContext.Current.RecordObject(result);
return result;
}
