private Task <StreamSubscription> SubscribeToStreamAsync(string streamName,
StreamRevision start,
Func <StreamSubscription, ResolvedEvent, CancellationToken, Task> eventAppeared,
EventStoreClientOperationOptions operationOptions,
bool resolveLinkTos = false,
Action <StreamSubscription, SubscriptionDroppedReason, Exception> subscriptionDropped = default,
UserCredentials userCredentials = default,
CancellationToken cancellationToken = default)
{
operationOptions.TimeoutAfter = DeadLine.None;
return(StreamSubscription.Confirm(ReadInternal(new ReadReq {
Options = new ReadReq.Types.Options {
ReadDirection = ReadReq.Types.Options.Types.ReadDirection.Forwards,
ResolveLinks = resolveLinkTos,
Stream = start == StreamRevision.End
? new ReadReq.Types.Options.Types.StreamOptions {
End = new Empty(),
StreamName = streamName
}
: new ReadReq.Types.Options.Types.StreamOptions {
Revision = start,
StreamName = streamName
},
Subscription = new ReadReq.Types.Options.Types.SubscriptionOptions()
}
},
operationOptions, userCredentials, cancellationToken), eventAppeared, subscriptionDropped, _log,
cancellationToken: cancellationToken));
}
private Task <StreamSubscription> SubscribeToAllAsync(Position start,
Func <StreamSubscription, ResolvedEvent, CancellationToken, Task> eventAppeared,
EventStoreClientOperationOptions operationOptions,
bool resolveLinkTos = false,
Action <StreamSubscription, SubscriptionDroppedReason, Exception> subscriptionDropped = default,
SubscriptionFilterOptions filterOptions = null,
UserCredentials userCredentials = default,
CancellationToken cancellationToken = default)
{
operationOptions.TimeoutAfter = DeadLine.None;
return(StreamSubscription.Confirm(ReadInternal(new ReadReq {
Options = new ReadReq.Types.Options {
ReadDirection = ReadReq.Types.Options.Types.ReadDirection.Forwards,
ResolveLinks = resolveLinkTos,
All = ReadReq.Types.Options.Types.AllOptions.FromPosition(start),
Subscription = new ReadReq.Types.Options.Types.SubscriptionOptions(),
Filter = GetFilterOptions(filterOptions)
}
}, operationOptions, userCredentials, cancellationToken), eventAppeared, subscriptionDropped, _log,
filterOptions?.CheckpointReached, cancellationToken));
}
