protected virtual void OnAsyncMessageFailed(AsyncMessageFailedEventArgs e)
{
if (e == null)
{
throw new ArgumentNullException("e");
}
var threadSafeHandler = Interlocked.CompareExchange(ref AsyncMessageFailed, null, null);
if (threadSafeHandler != null)
{
threadSafeHandler(this, e);
}
}
public void RaiseAsync(InteractionMessage message)
{
if (message == null)
{
throw new ArgumentException("messageはnullにできません");
}
if (!message.IsFrozen)
{
message.Freeze();
}
var task = Task.Factory.StartNew(() => Raise(message), CancellationToken.None, TaskCreationOptions.None, TaskScheduler.FromCurrentSynchronizationContext());
task.ContinueWith(t =>
{
var e = new AsyncMessageFailedEventArgs(t.Exception);
OnAsyncMessageFailed(e);
t.Exception.Handle(ex => true);
}, TaskContinuationOptions.OnlyOnFaulted | TaskContinuationOptions.ExecuteSynchronously);
}
/// <summary>
/// 指定された、戻り値情報のある相互作用メッセージを非同期で送信します。
/// </summary>
/// <typeparam name="T">戻り値情報のある相互作用メッセージの型</typeparam>
/// <param name="message">戻り値情報のある相互作用メッセージ</param>
/// <param name="callback">コールバック</param>
public void GetResponseAsync <T>(T message, Action <T> callback)
where T : ResponsiveInteractionMessage
{
if (message == null)
{
throw new ArgumentException("messageはnullにできません");
}
if (!message.IsFrozen)
{
message.Freeze();
}
var task = Task <T> .Factory.StartNew(() => GetResponse(message));
task.ContinueWith(t =>
{
var e = new AsyncMessageFailedEventArgs(t.Exception);
OnAsyncMessageFailed(e);
t.Exception.Handle(ex => true);
}, TaskContinuationOptions.OnlyOnFaulted | TaskContinuationOptions.ExecuteSynchronously);
task.ContinueWith(t => callback(t.Result), TaskContinuationOptions.OnlyOnRanToCompletion);
}
