private async Task DeliverBatchToConsumer(StreamConsumerData consumerData, IBatchContainer batch)
{
StreamSequenceToken prevToken = consumerData.LastToken;
Task <StreamSequenceToken> batchDeliveryTask;
bool isRequestContextSet = batch.ImportRequestContext();
try
{
batchDeliveryTask = consumerData.StreamConsumer.DeliverBatch(consumerData.SubscriptionId, batch.AsImmutable(), prevToken);
}
finally
{
if (isRequestContextSet)
{
// clear RequestContext before await!
RequestContext.Clear();
}
}
StreamSequenceToken newToken = await batchDeliveryTask;
if (newToken != null)
{
consumerData.LastToken = newToken;
consumerData.Cursor = queueCache.GetCacheCursor(consumerData.StreamId.Guid,
consumerData.StreamId.Namespace, newToken);
}
else
{
consumerData.LastToken = batch.SequenceToken; // this is the currently delivered token
}
}
/// <summary>
/// Add call context for batch delivery call, then clear context immediately, without giving up turn.
/// </summary>
private Task <StreamHandshakeToken> ContextualizedDeliverBatchToConsumer(StreamConsumerData consumerData, IBatchContainer batch)
{
bool isRequestContextSet = batch.ImportRequestContext();
try
{
return(consumerData.StreamConsumer.DeliverBatch(consumerData.SubscriptionId, consumerData.StreamId, batch.AsImmutable(), consumerData.LastToken));
}
finally
{
if (isRequestContextSet)
{
// clear RequestContext before await!
RequestContext.Clear();
}
}
}
private static async Task DeliverErrorToConsumer(StreamConsumerData consumerData, Exception exc, IBatchContainer batch)
{
Task errorDeliveryTask;
bool isRequestContextSet = batch != null && batch.ImportRequestContext();
try
{
errorDeliveryTask = consumerData.StreamConsumer.ErrorInStream(consumerData.SubscriptionId, exc);
}
finally
{
if (isRequestContextSet)
{
RequestContext.Clear(); // clear RequestContext before await!
}
}
await errorDeliveryTask;
}
private async Task<StreamHandshakeToken> DeliverBatchToConsumer(StreamConsumerData consumerData, IBatchContainer batch)
{
StreamHandshakeToken prevToken = consumerData.LastToken;
Task<StreamHandshakeToken> batchDeliveryTask;
bool isRequestContextSet = batch.ImportRequestContext();
try
{
batchDeliveryTask = consumerData.StreamConsumer.DeliverBatch(consumerData.SubscriptionId, batch.AsImmutable(), prevToken);
}
finally
{
if (isRequestContextSet)
{
// clear RequestContext before await!
RequestContext.Clear();
}
}
StreamHandshakeToken newToken = await batchDeliveryTask;
consumerData.LastToken = StreamHandshakeToken.CreateDeliveyToken(batch.SequenceToken); // this is the currently delivered token
return newToken;
}
private static async Task DeliverErrorToConsumer(StreamConsumerData consumerData, Exception exc, IBatchContainer batch)
{
Task errorDeliveryTask;
bool isRequestContextSet = batch != null && batch.ImportRequestContext();
try
{
errorDeliveryTask = consumerData.StreamConsumer.ErrorInStream(consumerData.SubscriptionId, exc);
}
finally
{
if (isRequestContextSet)
{
RequestContext.Clear(); // clear RequestContext before await!
}
}
await errorDeliveryTask;
}
private async Task<StreamHandshakeToken> DeliverBatchToConsumer(StreamConsumerData consumerData, IBatchContainer batch)
{
StreamHandshakeToken prevToken = consumerData.LastToken;
Task<StreamHandshakeToken> batchDeliveryTask;
bool isRequestContextSet = batch.ImportRequestContext();
try
{
batchDeliveryTask = consumerData.StreamConsumer.DeliverBatch(consumerData.SubscriptionId, batch.AsImmutable(), prevToken);
}
finally
{
if (isRequestContextSet)
{
// clear RequestContext before await!
RequestContext.Clear();
}
}
StreamHandshakeToken newToken = await batchDeliveryTask;
consumerData.LastToken = StreamHandshakeToken.CreateDeliveyToken(batch.SequenceToken); // this is the currently delivered token
return newToken;
}
private async Task DeliverBatchToConsumer(StreamConsumerData consumerData, IBatchContainer batch)
{
StreamHandshakeToken prevToken = consumerData.LastToken;
Task<StreamHandshakeToken> batchDeliveryTask;
bool isRequestContextSet = batch.ImportRequestContext();
try
{
batchDeliveryTask = consumerData.StreamConsumer.DeliverBatch(consumerData.SubscriptionId, batch.AsImmutable(), prevToken);
}
finally
{
if (isRequestContextSet)
{
// clear RequestContext before await!
RequestContext.Clear();
}
}
StreamHandshakeToken newToken = await batchDeliveryTask;
if (newToken != null)
{
consumerData.LastToken = newToken;
consumerData.Cursor = queueCache.GetCacheCursor(consumerData.StreamId.Guid,
consumerData.StreamId.Namespace, newToken.Token);
}
else
{
consumerData.LastToken = StreamHandshakeToken.CreateDeliveyToken(batch.SequenceToken); // this is the currently delivered token
}
}