protected override void OnStart(string[] args)
{
using (var eventLog = new TaskManagementEventLog())
{
try
{
var combo = string.Empty;
if (null != args)
{
combo = args.Aggregate(combo, (x,
arg) => "{0}{1}\"{2}\"".FormatWith(x, null == x ? string.Empty : ", ", arg));
}
Trace.WriteLineIf(Tracing.Is.TraceVerbose, "args={0}".FormatWith(combo));
if (null != Manager)
{
throw new InvalidOperationException();
}
Args = args;
Manager = ServiceLocator.Current.GetInstance <IManageTasks>();
Manager.Start(args);
eventLog.SuccessOnStart();
}
catch (Exception exception)
{
eventLog.FailureOnStart();
Trace.TraceError("{0}", exception);
}
}
}
protected override void OnCustomCommand(int command)
{
using (var eventLog = new TaskManagementEventLog())
{
try
{
Trace.WriteLineIf(Tracing.Is.TraceVerbose, "command={0}".FormatWith(command));
throw new NotSupportedException(string.Format(
Thread.CurrentThread.CurrentUICulture,
Resources.TaskManagementService_UnsupportedCustomCommand,
command));
}
catch (Exception exception)
{
eventLog.FailureOnContinue();
Trace.TraceError("{0}", exception);
}
}
}
protected override void OnSessionChange(SessionChangeDescription changeDescription)
{
using (var eventLog = new TaskManagementEventLog())
{
try
{
Trace.WriteLineIf(Tracing.Is.TraceVerbose, "changeDescription.Reason={0}".FormatWith(changeDescription.Reason.ToString("G")));
throw new NotSupportedException(string.Format(
Thread.CurrentThread.CurrentUICulture,
Resources.TaskManagementService_UnsupportedSessionChange,
changeDescription.Reason.ToString("G")));
}
catch (Exception exception)
{
eventLog.FailureOnSessionChange(changeDescription);
Trace.TraceError("{0}", exception);
}
}
}
protected override bool OnPowerEvent(PowerBroadcastStatus powerStatus)
{
using (var eventLog = new TaskManagementEventLog())
{
try
{
Trace.WriteLineIf(Tracing.Is.TraceVerbose, "powerStatus={0}".FormatWith(powerStatus.ToString("G")));
switch (powerStatus)
{
case PowerBroadcastStatus.QuerySuspend:
OnPause();
break;
case PowerBroadcastStatus.Suspend:
OnStop();
break;
case PowerBroadcastStatus.QuerySuspendFailed:
case PowerBroadcastStatus.ResumeAutomatic:
case PowerBroadcastStatus.ResumeCritical:
case PowerBroadcastStatus.ResumeSuspend:
if (null == Manager)
{
OnStart(Args);
}
else
{
OnContinue();
}
break;
}
}
catch (Exception exception)
{
eventLog.FailureOnPowerEvent(powerStatus);
Trace.TraceError("{0}", exception);
}
}
return(false);
}
protected override void OnPause()
{
using (var eventLog = new TaskManagementEventLog())
{
try
{
Trace.WriteLineIf(Tracing.Is.TraceVerbose, string.Empty);
if (null == Manager)
{
throw new InvalidOperationException();
}
Manager.Pause();
eventLog.SuccessOnPause();
}
catch (Exception exception)
{
eventLog.FailureOnPause();
Trace.TraceError("{0}", exception);
}
}
}
protected override void OnStop()
{
using (var eventLog = new TaskManagementEventLog())
{
try
{
Trace.WriteLineIf(Tracing.Is.TraceVerbose, string.Empty);
if (null == Manager)
{
return;
}
Manager.Stop();
OnDispose();
eventLog.SuccessOnStop();
}
catch (Exception exception)
{
eventLog.FailureOnStop();
Trace.TraceError("{0}", exception);
}
}
}
