public async Task Run()
{
var t1 = new TaskConfigTreeNode(new TaskConfig("T1", 2, new List <string> {
"C1", "C2", "C3"
}, null, false));
var t2 = new TaskConfigTreeNode(new TaskConfig("T2", 2, new List <string> {
"C1", "C2", "C3"
}, "T1", false));
var t3 = new TaskConfigTreeNode(new TaskConfig("T3", 2, new List <string> {
"C1", "C2", "C4"
}, "T1", true));
var t4 = new TaskConfigTreeNode(new TaskConfig("T4", 2, new List <string> {
"C2", "C4", "C5"
}, "T2", false));
t1
.AddChildNode(t2)
.AddChildNode(t3);
t2.AddChildNode(t4);
var tree = new TaskConfigTree(t1);
var taskList = tree.CreateRuntimeTasks();
var taskExecutor = new TaskExecutor();
await taskExecutor.Execute(taskList);
}
private void CreateRuntimeTasks(TaskConfigTreeNode node, List <RuntimeTask> accumulator, List <RuntimeTask> parentTasks)
{
//var tasksDictionary = new Dictionary<string, List<RuntimeTask>>(); //key is TaskConfigName
var tasks = CreateRuntimeTaskForNode(node, parentTasks);
accumulator.AddRange(tasks);
foreach (var dependency in node.Children)
{
CreateRuntimeTasks(dependency, accumulator, tasks);
}
}
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);
}
public TaskConfigTree(TaskConfigTreeNode root)
{
Root = root;
}
public TaskConfigTreeNode AddChildNode(TaskConfigTreeNode child)
{
_children.Add(child);
return(this);
}