public async Task <bool> TryRead(
StreamId streamId,
IHydrateEvents events,
CancellationToken token = new CancellationToken())
{
return(false);
}
public async Task <bool> TryRead(StreamId streamId, IHydrateEvents events, CancellationToken token)
{
var table = await _table.GetOrCreate();
var hydratedAny = false;
var query = table.CreateQuery <EventRecordTableEntity>()
.Where(x => x.PartitionKey == streamId.Value)
.Where(x => string.Compare(x.RowKey, "E^", StringComparison.Ordinal) > 0)
.Where(x => string.Compare(x.RowKey, "F^", StringComparison.Ordinal) < 0)
.AsTableQuery();
TableContinuationToken queryToken = null;
do
{
var segment = await table.ExecuteQuerySegmentedAsync(query, queryToken, token);
queryToken = segment.ContinuationToken;
var eventsFromStore = segment
.Select(x =>
{
hydratedAny = true;
var serializedEvent = new SerializedEvent(x.Type, x.Payload);
return(_events.Deserialize(serializedEvent));
});
events.Hydrate(eventsFromStore);
if (token.IsCancellationRequested)
{
throw new OperationCanceledException(token);
}
} while (queryToken != null);
return(hydratedAny);
}
public async Task Read(
StreamId streamId,
IHydrateEvents events,
CancellationToken token = new CancellationToken())
{
throw new StreamNotFoundException();
}
public async Task Read(
StreamId streamId,
IHydrateEvents events,
CancellationToken token = new CancellationToken())
{
events.Hydrate(new List <object> {
new FakeHydratedEvent()
});
}
public async Task Read(StreamId streamId, IHydrateEvents events, CancellationToken token)
{
var result = await TryRead(streamId, events, token);
if (result)
{
return;
}
string message = $"Stream {streamId.Value} not found.";
throw new StreamNotFoundException(message);
}
