private Status RunTasks(IEnumerable <Node> nodes, IEnumerable <Task> tasks)
{
bool success = true;
bool warning = false;
bool atLeastOneSucceed = false;
if (nodes.Count() > 0)
{
Node startNode = nodes.ElementAt(0);
if (startNode is DoIf)
{
DoIf doIf = (DoIf)startNode;
RunDoIf(tasks, nodes, doIf, ref success, ref warning, ref atLeastOneSucceed);
}
else if (startNode is DoWhile)
{
DoWhile doWhile = (DoWhile)startNode;
RunDoWhile(tasks, nodes, doWhile, ref success, ref warning, ref atLeastOneSucceed);
}
else
{
if (startNode.ParentId == START_ID)
{
RunTasks(tasks, nodes, startNode, ref success, ref warning, ref atLeastOneSucceed);
}
}
}
else
{
RunSequentialTasks(tasks, ref success, ref warning, ref atLeastOneSucceed);
}
if (success)
{
return(Status.Success);
}
else
{
if (atLeastOneSucceed || warning)
{
return(Status.Warning);
}
else
{
return(Status.Error);
}
}
}
private void RunDoIf(IEnumerable <Task> tasks, IEnumerable <Node> nodes, DoIf doIf, ref bool success, ref bool warning, ref bool atLeastOneSucceed)
{
Task ifTask = GetTask(doIf.If);
if (ifTask != null)
{
if (ifTask.IsEnabled)
{
TaskStatus status = ifTask.Run();
success &= status.Status == Status.Success;
warning |= status.Status == Status.Warning;
if (!atLeastOneSucceed && status.Status == Status.Success)
{
atLeastOneSucceed = true;
}
if (status.Condition == true)
{
if (doIf.DoNodes.Length > 0)
{
// Build Tasks
var doIfTasks = NodesToTasks(doIf.DoNodes);
// Run Tasks
Node doIfStartNode = doIf.DoNodes[0];
if (doIfStartNode.ParentId == START_ID)
{
RunTasks(doIfTasks, doIf.DoNodes, doIfStartNode, ref success, ref warning, ref atLeastOneSucceed);
}
}
}
else if (status.Condition == false)
{
if (doIf.OtherwiseNodes.Length > 0)
{
// Build Tasks
var otherwiseTasks = NodesToTasks(doIf.OtherwiseNodes);
// Run Tasks
Node otherwiseStartNode = doIf.OtherwiseNodes[0];
if (otherwiseStartNode.ParentId == START_ID)
{
RunTasks(otherwiseTasks, doIf.OtherwiseNodes, otherwiseStartNode, ref success, ref warning, ref atLeastOneSucceed);
}
}
}
// Child node
Node childNode = nodes.Where(n => n.ParentId == doIf.Id).FirstOrDefault();
if (childNode != null)
{
RunTasks(this.Taks, nodes, childNode, ref success, ref warning, ref atLeastOneSucceed);
}
}
}
else
{
throw new Exception("Task " + doIf.Id + " not found.");
}
}
private void RunTasks(IEnumerable <Task> tasks, IEnumerable <Node> nodes, Node node, ref bool success, ref bool warning, ref bool atLeastOneSucceed)
{
if (node != null)
{
Task task = GetTask(tasks, node.Id);
if (task != null)
{
if (task.IsEnabled)
{
TaskStatus status = task.Run();
success &= status.Status == Status.Success;
warning |= status.Status == Status.Warning;
if (!atLeastOneSucceed && status.Status == Status.Success)
{
atLeastOneSucceed = true;
}
Node childNode = nodes.Where(n => n.ParentId == node.Id).FirstOrDefault();
if (childNode != null)
{
if (childNode is DoIf)
{
DoIf doIf = (DoIf)childNode;
RunDoIf(tasks, nodes, doIf, ref success, ref warning, ref atLeastOneSucceed);
}
else if (childNode is DoWhile)
{
DoWhile doWhile = (DoWhile)childNode;
RunDoWhile(tasks, nodes, doWhile, ref success, ref warning, ref atLeastOneSucceed);
}
else
{
Task childTask = GetTask(tasks, childNode.Id);
if (childTask != null)
{
if (childTask.IsEnabled)
{
TaskStatus childStatus = childTask.Run();
success &= childStatus.Status == Status.Success;
warning |= childStatus.Status == Status.Warning;
if (!atLeastOneSucceed && status.Status == Status.Success)
{
atLeastOneSucceed = true;
}
// Recusive call
Node ccNode = nodes.Where(n => n.ParentId == childNode.Id).FirstOrDefault();
if (ccNode is DoIf)
{
DoIf doIf = (DoIf)ccNode;
RunDoIf(tasks, nodes, doIf, ref success, ref warning, ref atLeastOneSucceed);
}
else if (ccNode is DoWhile)
{
DoWhile doWhile = (DoWhile)ccNode;
RunDoWhile(tasks, nodes, doWhile, ref success, ref warning, ref atLeastOneSucceed);
}
else
{
RunTasks(tasks, nodes, ccNode, ref success, ref warning, ref atLeastOneSucceed);
}
}
}
else
{
throw new Exception("Task " + childNode.Id + " not found.");
}
}
}
}
}
else
{
throw new Exception("Task " + node.Id + " not found.");
}
}
}