private async Task ExecuteTask(RuntimeTask task)
{
await Task.WhenAll(task.Dependencies);
var sem = _semaphores.GetOrAdd(task.Name, new SemaphoreSlim(task.MaxDegreeOfParallelism));
await sem.WaitAsync();
task.Task.Start();
await task.Task;
sem.Release();
}
private List <RuntimeTask> CreateRuntimeTaskForNode(TaskConfigTreeNode node, List <RuntimeTask> parentTasks)
{
var result = new List <RuntimeTask>();
foreach (var taskConfigConnection in node.TaskConfig.Connections)
{
var task = new Task(() =>
{
Console.WriteLine($"{DateTime.Now}: Executing task {node.TaskConfig.Name} and connection {taskConfigConnection}.");
Thread.Sleep(1000);
});
var runtimeTask = new RuntimeTask(task, taskConfigConnection, node.TaskConfig.Name, node.TaskConfig.MaxDegreeOfParallelism);
if (parentTasks != null)
{
if (node.TaskConfig.OnlyIfDependentTaskSucceeded)
{
runtimeTask.Dependencies.AddRange(parentTasks.Select(rt => rt.Task));
}
else
{
var parentRuntimeTaskWithSameConnection = parentTasks.SingleOrDefault(rt => rt.Connection == taskConfigConnection);
if (parentRuntimeTaskWithSameConnection != null)
{
runtimeTask.Dependencies.Add(parentRuntimeTaskWithSameConnection.Task);
}
else
{
//TBD
}
}
}
result.Add(runtimeTask);
}
return(result);
}