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Code Issues Releases Activity

added cancellation token to Scheduler.

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This commit is contained in:
kay.one 2013-05-21 22:39:46 -07:00
parent 4ad7ce8363
commit 028bd5251c
1 changed files with 13 additions and 3 deletions
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16
NzbDrone.Core/Jobs/Scheduler.cs
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@ -1,9 +1,11 @@
using System;
using System.Timers;
using System.Threading;
using System.Threading.Tasks;
using NLog;
using NzbDrone.Common.Composition;
using NzbDrone.Common.Messaging;
using NzbDrone.Core.Lifecycle;
using Timer = System.Timers.Timer;
namespace NzbDrone.Core.Jobs
{
@ -16,6 +18,7 @@ public class Scheduler :
private readonly IMessageAggregator _messageAggregator;
private readonly Logger _logger;
private static readonly Timer Timer = new Timer();
private static CancellationTokenSource _cancellationTokenSource;
public Scheduler(ITaskManager taskManager, IMessageAggregator messageAggregator, Logger logger)
{
@ -26,8 +29,9 @@ public Scheduler(ITaskManager taskManager, IMessageAggregator messageAggregator,
public void Handle(ApplicationStartedEvent message)
{
_cancellationTokenSource = new CancellationTokenSource();
Timer.Interval = 1000 * 30;
Timer.Elapsed += (o, args) => ExecuteCommands();
Timer.Elapsed += (o, args) => Task.Factory.StartNew(ExecuteCommands, _cancellationTokenSource.Token);
Timer.Start();
}
@ -43,6 +47,8 @@ private void ExecuteCommands()
foreach (var task in tasks)
{
_cancellationTokenSource.Token.ThrowIfCancellationRequested();
try
{
_messageAggregator.PublishCommand(task.TypeName);
@ -55,12 +61,16 @@ private void ExecuteCommands()
}
finally
{
Timer.Enabled = true;
if (!_cancellationTokenSource.IsCancellationRequested)
{
Timer.Enabled = true;
}
}
}
public void Handle(ApplicationShutdownRequested message)
{
_cancellationTokenSource.Cancel(true);
Timer.Stop();
}
}