public void TestDiscreteModel()
{
Model model = new Model();
Metronome_Simple sm = Metronome_Simple.CreateMetronome(model.Executive, DateTime.Now, DateTime.Now + TimeSpan.FromHours(5), _timedifference);
sm.TickEvent += new ExecEventReceiver(sm_TickEvent);
model.Start();
_Debug.Assert(_dotick == 0, "Tick event did not fire 30 times");
}
/// <summary>
/// Creates a metronome with the specified parameters. It uses a static factory method
/// because if there is already an existing metronome with the same parameters, that
/// metronome is returned, rather than creating another one - after all, the whole
/// point is to avoid a large number of tick events on the executive's event list.
/// </summary>
/// <param name="exec">The executive that will issue the ticks.</param>
/// <param name="period">The period of the ticking.</param>
/// <returns>Metronome_Simple.</returns>
public static Metronome_Simple CreateMetronome(IExecutive exec, TimeSpan period)
{
Metronome_Simple retval = null;
foreach (Metronome_Simple ms in m_channels)
{
if (ms.Period.Equals(period) && ms.StartAt == DateTime.MinValue && ms.FinishAt == DateTime.MaxValue)
{
retval = ms;
break;
}
}
if (retval == null)
{
retval = new Metronome_Simple(exec, period);
m_channels.Add(exec, retval);
}
return(retval);
}
/// <summary>
/// Creates a metronome with the specified parameters. It uses a static factory method
/// because if there is already an existing metronome with the same parameters, that
/// metronome is returned, rather than creating another one - after all, the whole
/// point is to avoid a large number of tick events on the executive's event list.
/// </summary>
/// <param name="exec">The executive that will issue the ticks.</param>
/// <param name="startAt">The time at which the metronome's ticks are to start.</param>
/// <param name="finishAfter">The time at which the metronome's ticks are to stop.</param>
/// <param name="period">The period of the ticking.</param>
/// <returns>A metronome that meets the criteria.</returns>
public static Metronome_Simple CreateMetronome(IExecutive exec, DateTime startAt, DateTime finishAfter, TimeSpan period)
{
Metronome_Simple retval = null;
foreach (Metronome_Simple ms in m_channels)
{
if (ms.Executive.Equals(exec) && ms.StartAt.Equals(startAt) && ms.FinishAt.Equals(finishAfter) && ms.Period.Equals(period))
{
retval = ms;
break;
}
}
if (retval == null)
{
retval = new Metronome_Simple(exec, startAt, finishAfter, period);
m_channels.Add(exec, retval);
exec.ExecutiveFinished += exec_ExecutiveFinished;
}
return(retval);
}
