/// <summary>
/// Called to handle a workflow related request message received from the cadence-proxy.
/// </summary>
/// <param name="client">The client that received the request.</param>
/// <param name="request">The request message.</param>
/// <returns>The tracking <see cref="Task"/>.</returns>
internal static async Task OnProxyRequestAsync(CadenceClient client, ProxyRequest request)
{
Covenant.Requires <ArgumentNullException>(client != null);
Covenant.Requires <ArgumentNullException>(request != null);
ProxyReply reply;
switch (request.Type)
{
case InternalMessageTypes.ActivityInvokeRequest:
reply = await OnActivityInvokeRequest(client, (ActivityInvokeRequest)request);
break;
case InternalMessageTypes.ActivityStoppingRequest:
reply = await ActivityStoppingRequest(client, (ActivityStoppingRequest)request);
break;
default:
throw new InvalidOperationException($"Unexpected message type [{request.Type}].");
}
await client.ProxyReplyAsync(request, reply);
}
/// <summary>
/// Called to handle a workflow related request message received from the cadence-proxy.
/// </summary>
/// <param name="client">The client that received the request.</param>
/// <param name="request">The request message.</param>
/// <returns>The tracking <see cref="Task"/>.</returns>
internal static async Task OnProxyRequestAsync(CadenceClient client, ProxyRequest request)
{
Covenant.Requires<ArgumentNullException>(client != null, nameof(client));
Covenant.Requires<ArgumentNullException>(request != null, nameof(request));
ProxyReply reply;
switch (request.Type)
{
case InternalMessageTypes.WorkflowInvokeRequest:
reply = await OnInvokeAsync(client, (WorkflowInvokeRequest)request);
break;
case InternalMessageTypes.WorkflowSignalInvokeRequest:
reply = await OnSignalAsync(client, (WorkflowSignalInvokeRequest)request);
break;
case InternalMessageTypes.WorkflowQueryInvokeRequest:
reply = await OnQueryAsync(client, (WorkflowQueryInvokeRequest)request);
break;
case InternalMessageTypes.ActivityInvokeLocalRequest:
reply = await OnInvokeLocalActivity(client, (ActivityInvokeLocalRequest)request);
break;
case InternalMessageTypes.WorkflowFutureReadyRequest:
// $todo(jefflill): We need to actually implement this.
reply = new WorkflowFutureReadyReply();
break;
default:
throw new InvalidOperationException($"Unexpected message type [{request.Type}].");
}
await client.ProxyReplyAsync(request, reply);
}
