public async Task StartAsync(CancellationToken stoppingToken)
{
_logger.LogInformation($"{GetType().Name} is running !");
var activeTasks = new ConcurrentDictionary <string, Task>();
while (!stoppingToken.IsCancellationRequested)
{
await _workflowController.TryResumeWorkflowInstanceAsync(stoppingToken);
if (_workflowController.TryGetWorkflowInstance(out var wfi))
{
var task = new Task(async(dynamic state) =>
{
try
{
await ExecuteAsync(state.wfi, state.stoppingToken);
}
finally
{
await _workflowController.CompleteWorkflowAsync(wfi);
activeTasks.TryRemove(wfi.Id, out var t);
}
},
new
{
wfi,
stoppingToken
},
TaskCreationOptions.LongRunning);
activeTasks.TryAdd(wfi.Id, task);
task.Start();
}
else
{
await Task.Delay(2000, stoppingToken);
}
}
await Task.WhenAll(activeTasks.Values);
_logger.LogInformation($"{nameof(GetType)} is stop !");
}
