public async Task <CloudEventStreamSegment> GetStreamSegmentedAsync(CloudEventStreamSequence next, int takeCount = 1000, CancellationToken cancellationToken = default(CancellationToken))
{
var results1 = await _tableClient.GetStreamSegmentedAsync(next, takeCount, cancellationToken);
var results2 = await _blobClient.FetchAsync(results1.Results);
var results3 = new List <CloudEvent>();
byte[] scratch = null;
foreach (var item in results2)
{
var e = new CloudEvent();
e.Id = new CloudEventLogPosition(item.Log, item.Position).Value;
e.ReadFrom(item.Data.GetStream(), ref scratch);
results3.Add(e);
}
CloudEventStreamSequence next2 = next;
if (0 < results3.Count)
{
next2 = new CloudEventStreamSequence(next.StreamId, results3[results3.Count - 1].SequenceNumber + 1);
}
return(new CloudEventStreamSegment(results3, next2));
}
public async Task <CloudEventLogPositionLengthSegment> GetStreamSegmentedAsync(CloudEventStreamSequence next, int takeCount, CancellationToken cancellationToken)
{
var table = await _table;
// min/max
var streamId32 = next.StreamId.ToByteArray().Encode32();
var min = CloudEventTransaction.RowKeyStreamPrefix + streamId32 + "-" + ((long)next.SequenceNumber).ToFixed(10);
var max = CloudEventTransaction.RowKeyStreamPrefix + streamId32 + "-" + ((long)(next.SequenceNumber + takeCount)).ToFixed(10);
var q = new TableQuery <CloudEventStreamEntity>
{
FilterString =
TableQuery.CombineFilters(
TableQuery.GenerateFilterCondition("PartitionKey", QueryComparisons.Equal, CloudEventTransaction.PartitionKey),
TableOperators.And,
TableQuery.CombineFilters(
TableQuery.GenerateFilterCondition("RowKey", QueryComparisons.GreaterThanOrEqual, min),
TableOperators.And,
TableQuery.GenerateFilterCondition("RowKey", QueryComparisons.LessThan, max)
)
),
TakeCount = takeCount
};
var querySegment = await table.ExecuteQuerySegmentedAsync(q, null);
var results2 = new List <CloudEventLogPositionLength>();
foreach (var item in querySegment.Results)
{
results2.Add(new CloudEventLogPositionLength(item.Log, item.Position, item.Length));
}
return(new CloudEventLogPositionLengthSegment(results2, querySegment.ContinuationToken));
}
public CloudEventStreamSegment(List <CloudEvent> results, CloudEventStreamSequence next)
{
this.Results = results;
this.Next = next;
}
