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Lidarr/NzbDrone.Core/Jobs/Scheduler.cs

67 lines
1.8 KiB

using System;
using System.Timers;
using NLog;
using NzbDrone.Common.Composition;
using NzbDrone.Common.Messaging;
using NzbDrone.Core.Lifecycle;
namespace NzbDrone.Core.Jobs
{
[Singleton]
public class Scheduler :
IHandle<ApplicationStartedEvent>,
IHandle<ApplicationShutdownRequested>
{
private readonly ITaskManager _taskManager;
private readonly IMessageAggregator _messageAggregator;
private readonly Logger _logger;
private static readonly Timer Timer = new Timer();
public Scheduler(ITaskManager taskManager, IMessageAggregator messageAggregator, Logger logger)
{
_taskManager = taskManager;
_messageAggregator = messageAggregator;
_logger = logger;
}
public void Handle(ApplicationStartedEvent message)
{
Timer.Interval = 1000 * 30;
Timer.Elapsed += (o, args) => ExecuteCommands();
Timer.Start();
}
private void ExecuteCommands()
{
var tasks = _taskManager.GetPending();
foreach (var task in tasks)
{
try
{
var commandType = Type.GetType(task.TypeName);
var command = (ICommand)Activator.CreateInstance(commandType);
_messageAggregator.PublishCommand(command);
}
catch (Exception e)
{
_logger.ErrorException("Error occured while execution task " + task.TypeName, e);
}
finally
{
_taskManager.SetLastExecutionTime(task.Id);
}
}
}
public void Handle(ApplicationShutdownRequested message)
{
Timer.Stop();
}
}
}