protected async Task SendTotal(RunningTotal total, string location)
{
}
protected async override Task ExecuteAsync(CancellationToken stoppingToken)
{
bool queueEmpty = false;
var delayString = configurationPackage.Settings.Sections["Timing"]
.Parameters["MessageMaxDelaySeconds"].Value;
var delay = int.Parse(delayString);
var filter = await IdempotencyFilter.NewIdempotencyFilterAsync(
"logMessages", delay, stateManager);
var store = await
stateManager.GetOrAddAsync <IReliableDictionary <string, RunningTotal> >("partialCount");
while (!stoppingToken.IsCancellationRequested)
{
while (!queueEmpty && !stoppingToken.IsCancellationRequested)
{
RunningTotal finalDayTotal = null;
using (ITransaction tx = stateManager.CreateTransaction())
{
var result = await queue.TryDequeueAsync(tx);
if (!result.HasValue)
{
queueEmpty = true;
}
else
{
var item = await filter.NewMessage <PurchaseInfo>(result.Value);
if (item != null)
{
var counter = await store.TryGetValueAsync(tx, item.Location);
var newCounter = counter.HasValue ?
new RunningTotal
{
Count = counter.Value.Count,
Day = counter.Value.Day
}
: new RunningTotal();
finalDayTotal = newCounter.Update(item.Time, item.Cost);
if (counter.HasValue)
{
await store.TryUpdateAsync(tx, item.Location,
newCounter, counter.Value);
}
else
{
await store.TryAddAsync(tx, item.Location, newCounter);
}
}
await tx.CommitAsync();
if (finalDayTotal != null)
{
await SendTotal(finalDayTotal, item.Location);
}
}
}
}
await Task.Delay(100, stoppingToken);
queueEmpty = false;
}
}
