/// <summary>
/// Constructor
/// </summary>
/// <param name="Name">Event name</param>
/// <param name="StartTime">Time of the event</param>
/// <param name="FinishTime">Finish time for the event. May be null.</param>
public Event(string Name, TimeSpan StartTime, TimeSpan?FinishTime)
{
this.Name = Name;
this.StartTime = StartTime;
this.FinishTime = FinishTime;
this.Span = TraceSpan.Create(Name);
}
/// <summary>
/// Build all the tasks for this node
/// </summary>
/// <param name="Job">Information about the current job</param>
/// <param name="TagNameToFileSet">Mapping from tag names to the set of files they include. Should be set to contain the node inputs on entry.</param>
/// <returns>Whether the task succeeded or not. Exiting with an exception will be caught and treated as a failure.</returns>
public bool Build(JobContext Job, Dictionary <string, HashSet <FileReference> > TagNameToFileSet)
{
// Run each of the tasks in order
HashSet <FileReference> BuildProducts = TagNameToFileSet[DefaultOutput.TagName];
for (int Idx = 0; Idx < Tasks.Count; Idx++)
{
using (ITraceSpan Span = TraceSpan.Create("Task", Tasks[Idx].GetTraceName()))
{
ITaskExecutor Executor = Tasks[Idx].GetExecutor();
if (Executor == null)
{
// Execute this task directly
try
{
Tasks[Idx].GetTraceMetadata(Span, "");
Tasks[Idx].Execute(Job, BuildProducts, TagNameToFileSet);
}
catch (Exception Ex)
{
ExceptionUtils.AddContext(Ex, "while executing task {0}", Tasks[Idx].GetTraceString());
if (Tasks[Idx].SourceLocation != null)
{
ExceptionUtils.AddContext(Ex, "at {0}({1})", GetReadablePathForDiagnostics(Tasks[Idx].SourceLocation.Item1), Tasks[Idx].SourceLocation.Item2);
}
throw;
}
}
else
{
Tasks[Idx].GetTraceMetadata(Span, "1.");
// The task has a custom executor, which may be able to execute several tasks simultaneously. Try to add the following tasks.
int FirstIdx = Idx;
while (Idx + 1 < Tasks.Count && Executor.Add(Tasks[Idx + 1]))
{
Idx++;
Tasks[Idx].GetTraceMetadata(Span, string.Format("{0}.", 1 + Idx - FirstIdx));
}
try
{
Executor.Execute(Job, BuildProducts, TagNameToFileSet);
}
catch (Exception Ex)
{
for (int TaskIdx = FirstIdx; TaskIdx <= Idx; TaskIdx++)
{
ExceptionUtils.AddContext(Ex, "while executing {0}", Tasks[TaskIdx].GetTraceString());
}
if (Tasks[FirstIdx].SourceLocation != null)
{
ExceptionUtils.AddContext(Ex, "at {0}({1})", GetReadablePathForDiagnostics(Tasks[FirstIdx].SourceLocation.Item1), Tasks[FirstIdx].SourceLocation.Item2);
}
throw;
}
}
}
}
// Remove anything that doesn't exist, since these files weren't explicitly tagged
BuildProducts.RemoveWhere(x => !FileReference.Exists(x));
return(true);
}
