private async static Task ProcessScrapingTask(
ScrapingTask scrapingTask,
IGitHubClient gitHubClient,
ITransaction tx,
IReliableConcurrentQueue <ScrapingTask> firstTaskQueue,
IReliableConcurrentQueue <ScrapingTask> secondTaskQueue,
IUserRepoSearchActorProvider userRepoSearchActorProvider)
{
IUserRepoSearchActor userRepoSearchActor =
userRepoSearchActorProvider.Provide(scrapingTask.UserLogin);
await Scraper.PerformTaskAsync(
scrapingTask : scrapingTask, gitHubClient : gitHubClient,
tx : tx, userRepoSearchActor : userRepoSearchActor,
firstTaskQueue : firstTaskQueue,
secondTaskQueue : secondTaskQueue);
}
public async static Task RunAsync(
CancellationToken cancellationToken,
IGitHubClient gitHubClient,
IReliableStateManager stateManager,
IUserRepoSearchActorProvider userRepoSearchActorProvider)
{
IReliableConcurrentQueue <ScrapingTask> firstTaskQueue =
await GetFirstTaskQueue(stateManager);
IReliableConcurrentQueue <ScrapingTask> secondTaskQueue =
await GetSecondTaskQueue(stateManager);
while (true)
{
cancellationToken.ThrowIfCancellationRequested();
if (firstTaskQueue.Count > 0 || secondTaskQueue.Count > 0)
{
using (var tx = stateManager.CreateTransaction())
{
var dequeued = await firstTaskQueue.TryDequeueAsync(tx, cancellationToken);
if (!dequeued.HasValue)
{
dequeued = await secondTaskQueue.TryDequeueAsync(tx, cancellationToken);
}
await ProcessScrapingTask(
scrapingTask : dequeued.Value,
gitHubClient : gitHubClient, tx : tx,
firstTaskQueue : firstTaskQueue,
secondTaskQueue : secondTaskQueue,
userRepoSearchActorProvider : userRepoSearchActorProvider);
await tx.CommitAsync();
}
}
else
{
await Task.Delay(Constants.EMPTY_DELAY, cancellationToken);
}
}
}