public async Task <TResult> ExecuteTask <TResult>(string name, string version, params object[] parameters)
{
string serializedInput = dataConverter.Serialize(parameters);
TaskActivity activity = objectManager.GetObject(name, version);
Interlocked.Increment(ref pendingExecutions);
string serializedResult = await Task.Factory.StartNew(() =>
{
try
{
string result = activity.RunAsync(null, serializedInput).Result;
return(result);
}
catch (AggregateException e)
{
e = e.Flatten();
if (e.InnerException is TaskFailureException)
{
var taskFailureException = e.InnerException as TaskFailureException;
Exception cause = Utils.RetrieveCause(taskFailureException.Details, dataConverter);
throw new TaskFailedException(0, 0, name, version, taskFailureException.Message, cause);
}
throw new TaskFailedException(0, 0, name, version, e.Message, e);
}
finally
{
Interlocked.Decrement(ref pendingExecutions);
}
});
var r = dataConverter.Deserialize <TResult>(serializedResult);
return(r);
}
/// <summary>
/// Sets the JSON-serializeable output of the current orchestrator function.
/// </summary>
/// <remarks>
/// If this method is not called explicitly, the return value of the orchestrator function is used as the output.
/// </remarks>
/// <param name="output">The JSON-serializeable value to use as the orchestrator function output.</param>
internal void SetOutput(object output)
{
this.ThrowIfInvalidAccess();
if (this.IsOutputSet)
{
throw new InvalidOperationException("The output has already been set of this orchestration instance.");
}
if (output != null)
{
JToken json = output as JToken;
if (json != null)
{
this.serializedOutput = json.ToString(Formatting.None);
}
else
{
this.serializedOutput = SharedJsonConverter.Serialize(output);
}
}
else
{
this.serializedOutput = null;
}
}
public void RaiseEvent(OrchestrationInstance instance, string eventName, object eventData)
{
if (instance == null || string.IsNullOrWhiteSpace(instance.InstanceId))
{
throw new ArgumentException("instance");
}
TaskOrchestration execution = null;
if (!currentExecutions.TryGetValue(instance.InstanceId, out execution))
{
throw new OrchestrationFrameworkException("Unknown orchestration instance. Id: " + instance.InstanceId);
}
string serializedInput = dataConverter.Serialize(eventData);
execution.RaiseEvent(null, eventName, serializedInput);
}
public async Task <string> GetOrchestrationRuntimeStateAsync(string instanceId)
{
var session = await this.orchestrationProvider.GetSession(instanceId);
if (session == null)
{
throw new ArgumentException($"There is no running or pending Orchestration with the instanceId {instanceId}");
}
return(FormattingConverter.Serialize(session.SessionState));
}
/// <summary>
/// Sets the JSON-serializeable output of the activity function.
/// </summary>
/// <remarks>
/// If this method is not called explicitly, the return value of the activity function is used as the output.
/// </remarks>
/// <param name="output">
/// The JSON-serializeable value to use as the activity function output.
/// </param>
public void SetOutput(object output)
{
if (output != null)
{
JToken json = output as JToken;
if (json != null)
{
this.serializedOutput = json.ToString(Formatting.None);
}
else
{
this.serializedOutput = SharedJsonConverter.Serialize(output);
}
}
else
{
this.serializedOutput = null;
}
}
