private static async Task ExcludeSystemEvents(EventStoreClient client)
{
#region exclude-system
await client.SubscribeToAllAsync(Position.Start,
(s, e, c) => {
Console.WriteLine(
$"{e.Event.EventType} @ {e.Event.Position.PreparePosition}");
return(Task.CompletedTask);
},
filterOptions : new SubscriptionFilterOptions(
EventTypeFilter.ExcludeSystemEvents())
);
#endregion exclude-system
}
private static async Task CheckpointCallback(EventStoreClient client)
{
#region checkpoint
var filter = new SubscriptionFilterOptions(
EventTypeFilter.ExcludeSystemEvents(),
checkpointReached: (s, p, c) =>
{
Console.WriteLine($"checkpoint taken at {p.PreparePosition}");
return(Task.CompletedTask);
});
#endregion checkpoint
await client.SubscribeToAllAsync(Position.Start,
(s, e, c) => {
Console.WriteLine(
$"{e.Event.EventType} @ {e.Event.Position.PreparePosition}");
return(Task.CompletedTask);
},
filterOptions : filter
);
}
