public void LogFunctionQueued(FunctionInstanceSnapshot snapshot)
{
// Ignore the return result. Only the dashboard calls this method, and it does so before enqueuing the
// message to the host to run the function. So realistically the blob can't already exist. And even if the
// host did see the message before this call, an existing blob just means something more recent than
// "queued" status, so there's nothing to do here in that case anyway.
_store.TryCreate(GetId(snapshot), snapshot);
}
private bool TryUpdateEntity(string functionId, Action <FunctionStatistics> modifier)
{
IConcurrentDocument <FunctionStatistics> result = _store.Read(functionId);
if (result == null || result.Document == null)
{
FunctionStatistics statistics = new FunctionStatistics();
modifier.Invoke(statistics);
return(_store.TryCreate(functionId, statistics));
}
else
{
FunctionStatistics statistics = result.Document;
modifier.Invoke(statistics);
return(_store.TryUpdate(functionId, result.ETag, statistics));
}
}