private void EnableOnThread(EnablingEventArgs e, Action actionOnComplete)
{
// TODO: There was a problem with enabled connections deserializing, failing
// to enable, but still appearing enabled.
// Setting this to false here seems to have fixed it, but I believe it is a
// race condition that is happening.
//IsEnabled = false;
if (!Event.IsEnabled)
{
// Enable the event
Event.Enable(e);
}
// If the event is not enabled we don't try to enable the reaction
if (Event.IsEnabled && !Reaction.IsEnabled)
{
Reaction.Enable(e);
if (!Reaction.IsEnabled)
{
// If we got here, then it means the event is enabled and the reaction won't enable.
// We need to disable the event and then return out
Event.Disable(new DisabledEventArgs(e.WasConfiguring));
}
}
// Double check that both are enabled. We shouldn't be able to get here if they aren't.
IsEnabled = Event.IsEnabled && Reaction.IsEnabled;
if (actionOnComplete != null)
{
actionOnComplete();
}
}
/// <summary>
/// Enable this connection's event and reaction
/// </summary>
internal void Enable(EnablingEventArgs e, Action actionOnComplete)
{
// if we are already enabled, just stop
if (IsEnabled)
{
if (actionOnComplete != null)
{
actionOnComplete();
}
return;
}
EnableHelper(e, actionOnComplete);
}
internal void Enable(EnablingEventArgs e)
{
try
{
OnEnabling(e);
if (!e.Cancel)
{
IsEnabled = true;
}
}
catch
{
ErrorLog.AddError(ErrorType.Failure, "Error enabling " + Name);
}
}
private void EnableHelper(EnablingEventArgs e, Action actionOnComplete)
{
ThreadPool.QueueUserWorkItem(o => EnableOnThread(e, actionOnComplete));
}
/// <summary>
/// This method is called before enabling the module. The module should verify that it can
/// be started up. If for whatever reason it cannot, then e.Cancel should be set to true.
/// The property WasConfiguring is set to true in the case that we are re-enabling after
/// the configuration window was closed.
/// This method is called on a background thread.
/// </summary>
/// <param name="e">Enabling arguments object</param>
protected virtual void OnEnabling(EnablingEventArgs e)
{
}
