DispatchDialog.cs
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33 
34 using System;
35 using System.Collections.Generic;
36 using System.Linq;
37 using System.Threading;
38 using System.Threading.Tasks;
39 
40 using Microsoft.Bot.Connector;
42 
43 namespace Microsoft.Bot.Builder.Dialogs
44 {
49  [Serializable]
50  public class DispatchDialog<TResult> : Dispatcher, IDialog<TResult>
51  {
52  public virtual async Task StartAsync(IDialogContext context)
53  {
54  context.Wait(ActivityReceivedAsync);
55  }
56 
57  [NonSerialized]
58  private IReadOnlyList<object> services;
59  protected override IReadOnlyList<object> MakeServices()
60  {
61  return this.services;
62  }
63 
64  protected virtual async Task ActivityReceivedAsync(IDialogContext context, IAwaitable<IActivity> item)
65  {
66  var activity = await item;
67  this.services = new object[] { this, context, activity };
68  try
69  {
70  IDispatcher dispatcher = this;
71  await dispatcher.TryPostAsync(context.CancellationToken);
72  }
73  finally
74  {
75  this.services = null;
76  }
77  }
78  }
79 
87  [Serializable]
88  public class DispatchDialog : DispatchDialog<object>
89  {
90  }
91 }
The context for the execution of a dialog&#39;s conversational process.
Namespace for the Microsoft Bot Connector SDK.
override IReadOnlyList< object > MakeServices()
Explicit interface to support the compiling of async/await.
Definition: Awaitable.cs:55
A dialog specialized to dispatch an IScorable.
virtual async Task StartAsync(IDialogContext context)
Task< bool > TryPostAsync(CancellationToken token)
Namespace for scorable interfaces, classes and compositions.
A IDialog<TResult> is a suspendable conversational process that produces a result of type TResult ...
Definition: IDialog.cs:47
virtual async Task ActivityReceivedAsync(IDialogContext context, IAwaitable< IActivity > item)
Root namespace for the Microsoft Bot Builder SDK.