/// <summary>
/// Resume the task.
/// </summary>
public void Resume()
{
TaskWrapper.Log(
this,
"Resuming.",
TaskWrapper.TaskWrapperLogType.Info);
this.Enabled = true;
}
/// <summary>
/// Pause the task.
/// </summary>
public void Pause()
{
TaskWrapper.Log(
this,
"Paused.",
TaskWrapper.TaskWrapperLogType.Info);
this.Enabled = false;
}
/// <summary>
/// Remove the task from the list of entries.
/// </summary>
public void Remove()
{
this.Pause();
TaskWrapper.Log(
this,
"Removing.",
TaskWrapper.TaskWrapperLogType.Info);
var entry = TaskWrapper.Entries.SingleOrDefault(n => n.Name == this.Name);
if (entry == null)
{
return;
}
TaskWrapper.Entries.Remove(entry);
this.Interval = null;
this.DateTimes = null;
}
/// <summary>
/// Attempt to run the action now.
/// </summary>
public async Task Run()
{
if (this.Removed)
{
return;
}
if (!this.Enabled)
{
TaskWrapper.Log(
this,
"Skipping run since task is disabled.",
TaskWrapper.TaskWrapperLogType.Warning);
this.QueueNextRun(null);
return;
}
TaskWrapper.Log(
this,
"Preparing to run function.",
TaskWrapper.TaskWrapperLogType.Info);
this.LastAttemptedRun = DateTime.Now;
// Run VerifyAtRuntime
if (this.VerifyAtRuntime != null)
{
TaskWrapper.Log(
this,
"Found verify function, running.",
TaskWrapper.TaskWrapperLogType.Info);
var postpone = this.VerifyAtRuntime.Invoke(this);
if (postpone.Ticks > 0)
{
TaskWrapper.Log(
this,
string.Format(
"Postponing the function {0} seconds.",
postpone.TotalSeconds),
TaskWrapper.TaskWrapperLogType.Warning);
this.QueueNextRun(postpone);
return;
}
}
try {
this.LastRunStarted = DateTime.Now;
this.IsRunning = true;
TaskWrapper.Log(
this,
"Running main function.",
TaskWrapper.TaskWrapperLogType.Info);
var task = new Task <bool>(() => this.Action(this));
task.Start();
await task;
this.IsRunning = false;
this.LastRunEnded = DateTime.Now;
var span = this.LastRunEnded - this.LastRunStarted;
TaskWrapper.Log(
this,
string.Format(
"Run completed successfully. Took {0} seconds.",
span.TotalSeconds),
TaskWrapper.TaskWrapperLogType.Info);
}
catch (Exception ex) {
TaskWrapper.Log(
this,
ex.Message,
TaskWrapper.TaskWrapperLogType.Exception,
ex);
this.Exceptions.Add(ex);
this.IsRunning = false;
this.LastRunEnded = DateTime.Now;
}
// Queue up the next run.
this.QueueNextRun(null);
}
/// <summary>
/// Queue up the next run.
/// </summary>
public async Task QueueNextRun(TimeSpan?postpone)
{
TimeSpan?timeSpan = null;
// Queue up based on postpone time-span.
if (postpone.HasValue)
{
timeSpan = postpone.Value;
}
// Queue up the next interval.
if (timeSpan == null &&
this.Interval.HasValue)
{
timeSpan = this.Interval.Value;
}
// Queue up the next time-to-run.
if (timeSpan == null &&
this.DateTimes != null &&
this.DateTimes.Any())
{
var now = DateTime.Now;
foreach (var dateTime in this.DateTimes.OrderBy(t => t))
{
var dt = new DateTime(
now.Year,
now.Month,
now.Day,
dateTime.Hour,
dateTime.Minute,
dateTime.Second);
if (dt <= now)
{
continue;
}
timeSpan = dt - now;
break;
}
}
// Task up the next run.
if (timeSpan == null)
{
return;
}
TaskWrapper.Log(
this,
string.Format(
"Next run will be in {0}.",
timeSpan),
TaskWrapper.TaskWrapperLogType.Info);
// Wait the alotted time.
await Task.Delay(timeSpan.Value);
// Attempt to run the action now.
Run();
}
