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jellyfin/MediaBrowser.Common/ScheduledTasks/IntervalTrigger.cs

79 lines
2.1 KiB

using System;
using System.Threading;
using MediaBrowser.Model.Events;
namespace MediaBrowser.Common.ScheduledTasks
{
/// <summary>
/// Represents a task trigger that runs repeatedly on an interval
/// </summary>
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public class IntervalTrigger : ITaskTrigger
{
/// <summary>
/// Gets or sets the interval.
/// </summary>
/// <value>The interval.</value>
public TimeSpan Interval { get; set; }
/// <summary>
/// Gets or sets the timer.
/// </summary>
/// <value>The timer.</value>
private Timer Timer { get; set; }
/// <summary>
/// Gets the execution properties of this task.
/// </summary>
/// <value>
/// The execution properties of this task.
/// </value>
public TaskExecutionOptions TaskOptions { get; set; }
/// <summary>
/// Stars waiting for the trigger action
/// </summary>
/// <param name="isApplicationStartup">if set to <c>true</c> [is application startup].</param>
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public void Start(bool isApplicationStartup)
{
DisposeTimer();
Timer = new Timer(state => OnTriggered(), null, Interval, TimeSpan.FromMilliseconds(-1));
}
/// <summary>
/// Stops waiting for the trigger action
/// </summary>
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public void Stop()
{
DisposeTimer();
}
/// <summary>
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/// Disposes the timer.
/// </summary>
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private void DisposeTimer()
{
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if (Timer != null)
{
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Timer.Dispose();
}
}
/// <summary>
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/// Occurs when [triggered].
/// </summary>
public event EventHandler<GenericEventArgs<TaskExecutionOptions>> Triggered;
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/// <summary>
/// Called when [triggered].
/// </summary>
private void OnTriggered()
{
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if (Triggered != null)
{
Triggered(this, new GenericEventArgs<TaskExecutionOptions>(TaskOptions));
}
}
}
}