private async Task CommitIfRelevant(ProjectionPosition p)
{
if (!BatchingPolicy.ShouldCommit(p))
{
return;
}
await CommitState();
if (p.LooksLikeLatestAvailableInput())
{
//performance testing:
var now = DateTimeOffset.UtcNow;
var timeSpentCatchingUp = now - _startedCatchingUpAt;
Console.WriteLine($"Time taken to restore state of projection: {timeSpentCatchingUp.TotalSeconds} seconds");
}
}
//public readonly int EventsPerCommitWhenInputBuffered;
//^-- callbacks for "onCatchupStatus" are dispatched as soon as the latest event in
//the inputstream has been buffered, this is an "almost there"-state
public bool ShouldCommit(ProjectionPosition p)
{
return(p.LooksLikeLatestAvailableInput() || p.UncommitedLength >= EventsPerCommitWhenCatchingUp);
}