/// <summary>
/// Called internally to execute the activity.
/// </summary>
/// <param name="client">The Cadence client.</param>
/// <param name="args">The encoded activity arguments.</param>
/// <returns>The activity results.</returns>
internal async Task <byte[]> OnInvokeAsync(CadenceClient client, byte[] args)
{
await SyncContext.Clear;
Covenant.Requires <ArgumentNullException>(client != null, nameof(client));
// Capture the activity information.
var reply = (ActivityGetInfoReply)(await Client.CallProxyAsync(
new ActivityGetInfoRequest()
{
ContextId = ContextId,
}));
reply.ThrowOnError();
ActivityTask = reply.Info.ToPublic();
// Invoke the activity.
if (IsLocal)
{
// This doesn't make sense for local activities.
ActivityTask.ActivityTypeName = null;
return(await InvokeAsync(client, args));
}
else
{
// Track the activity.
var activityKey = new ActivityKey(client, ContextId);
try
{
lock (syncLock)
{
idToActivity[activityKey] = this;
}
return(await InvokeAsync(client, args));
}
catch (Exception e)
{
logger.LogError(e);
throw;
}
finally
{
lock (syncLock)
{
idToActivity.Remove(activityKey);
}
}
}
}
/// <summary>
/// Called internally to execute the activity.
/// </summary>
/// <param name="client">The Cadence client.</param>
/// <param name="args">The encoded activity arguments.</param>
/// <returns>Thye activity results.</returns>
internal async Task <byte[]> OnRunAsync(CadenceClient client, byte[] args)
{
Covenant.Requires <ArgumentNullException>(client != null);
if (IsLocal)
{
return(await RunAsync(args));
}
else
{
// Capture the activity information.
var reply = (ActivityGetInfoReply)(await Client.CallProxyAsync(
new ActivityGetInfoRequest()
{
ContextId = ContextId.Value,
}));
reply.ThrowOnError();
ActivityTask = reply.Info.ToPublic();
// Track the activity.
var activityKey = new ActivityKey(client, ContextId.Value);
try
{
lock (syncLock)
{
idToActivity[activityKey] = this;
}
return(await RunAsync(args));
}
finally
{
lock (syncLock)
{
idToActivity.Remove(activityKey);
}
}
}
}
