/// <summary> /// Initiates the asynchronous execution of the StartWorkflowExecution operation. /// <seealso cref="Amazon.SimpleWorkflow.AmazonSimpleWorkflow.StartWorkflowExecution"/> /// </summary> /// /// <param name="startWorkflowExecutionRequest">Container for the necessary parameters to execute the StartWorkflowExecution operation on /// AmazonSimpleWorkflow.</param> /// <param name="callback">An AsyncCallback delegate that is invoked when the operation completes.</param> /// <param name="state">A user-defined state object that is passed to the callback procedure. Retrieve this object from within the callback /// procedure using the AsyncState property.</param> /// /// <returns>An IAsyncResult that can be used to poll or wait for results, or both; this value is also needed when invoking /// EndStartWorkflowExecution operation.</returns> public IAsyncResult BeginStartWorkflowExecution(StartWorkflowExecutionRequest startWorkflowExecutionRequest, AsyncCallback callback, object state) { return invokeStartWorkflowExecution(startWorkflowExecutionRequest, callback, state, false); }
/// <summary> /// <para> Starts an execution of the workflow type in the specified domain using the provided workflowId, and input data. </para> <para> This /// action returns the newly started workflow execution. </para> /// </summary> /// /// <param name="startWorkflowExecutionRequest">Container for the necessary parameters to execute the StartWorkflowExecution service method on /// AmazonSimpleWorkflow.</param> /// /// <returns>The response from the StartWorkflowExecution service method, as returned by AmazonSimpleWorkflow.</returns> /// /// <exception cref="TypeDeprecatedException"/> /// <exception cref="OperationNotPermittedException"/> /// <exception cref="DefaultUndefinedException"/> /// <exception cref="UnknownResourceException"/> /// <exception cref="WorkflowExecutionAlreadyStartedException"/> /// <exception cref="LimitExceededException"/> public StartWorkflowExecutionResponse StartWorkflowExecution(StartWorkflowExecutionRequest startWorkflowExecutionRequest) { IAsyncResult asyncResult = invokeStartWorkflowExecution(startWorkflowExecutionRequest, null, null, true); return EndStartWorkflowExecution(asyncResult); }
IAsyncResult invokeStartWorkflowExecution(StartWorkflowExecutionRequest startWorkflowExecutionRequest, AsyncCallback callback, object state, bool synchronized) { IRequest irequest = new StartWorkflowExecutionRequestMarshaller().Marshall(startWorkflowExecutionRequest); var unmarshaller = StartWorkflowExecutionResponseUnmarshaller.GetInstance(); AsyncResult result = new AsyncResult(irequest, callback, state, synchronized, signer, unmarshaller); Invoke(result); return result; }
internal StartWorkflowExecutionResponse StartWorkflowExecution(StartWorkflowExecutionRequest request) { var task = StartWorkflowExecutionAsync(request); try { return task.Result; } catch(AggregateException e) { ExceptionDispatchInfo.Capture(e.InnerException).Throw(); return null; } }
/// <summary> /// <para> Starts an execution of the workflow type in the specified domain using the provided <c>workflowId</c> and input data. </para> /// <para>This action returns the newly started workflow execution.</para> <para> <b>Access Control</b> </para> <para>You can use IAM policies /// to control this action's access to Amazon SWF resources as follows:</para> /// <ul> /// <li>Use a <c>Resource</c> element with the domain name to limit the action to only specified domains.</li> /// <li>Use an <c>Action</c> element to allow or deny permission to call this action.</li> /// <li>Constrain the following parameters by using a <c>Condition</c> element with the appropriate keys. /// <ul> /// <li> <c>tagList.member.0</c> : The key is <c>swf:tagList.member.0</c> .</li> /// <li> <c>tagList.member.1</c> : The key is <c>swf:tagList.member.1</c> .</li> /// <li> <c>tagList.member.2</c> : The key is <c>swf:tagList.member.2</c> .</li> /// <li> <c>tagList.member.3</c> : The key is <c>swf:tagList.member.3</c> .</li> /// <li> <c>tagList.member.4</c> : The key is <c>swf:tagList.member.4</c> .</li> /// <li> <c>taskList</c> : String constraint. The key is <c>swf:taskList.name</c> .</li> /// <li> <c>name</c> : String constraint. The key is <c>swf:workflowType.name</c> .</li> /// <li> <c>version</c> : String constraint. The key is <c>swf:workflowType.version</c> .</li> /// /// </ul> /// </li> /// /// </ul> /// <para>If the caller does not have sufficient permissions to invoke the action, or the parameter values fall outside the specified /// constraints, the action fails by throwing <c>OperationNotPermitted</c> . For details and example IAM policies, see <a href="http://docs.aws.amazon.com/amazonswf/latest/developerguide/swf-dev-iam.html">Using IAM to Manage Access to Amazon SWF Workflows</a> /// .</para> /// </summary> /// /// <param name="startWorkflowExecutionRequest">Container for the necessary parameters to execute the StartWorkflowExecution service method on /// AmazonSimpleWorkflow.</param> /// /// <returns>The response from the StartWorkflowExecution service method, as returned by AmazonSimpleWorkflow.</returns> /// /// <exception cref="T:Amazon.SimpleWorkflow.Model.TypeDeprecatedException" /> /// <exception cref="T:Amazon.SimpleWorkflow.Model.OperationNotPermittedException" /> /// <exception cref="T:Amazon.SimpleWorkflow.Model.DefaultUndefinedException" /> /// <exception cref="T:Amazon.SimpleWorkflow.Model.UnknownResourceException" /> /// <exception cref="T:Amazon.SimpleWorkflow.Model.WorkflowExecutionAlreadyStartedException" /> /// <exception cref="T:Amazon.SimpleWorkflow.Model.LimitExceededException" /> /// <param name="cancellationToken"> /// A cancellation token that can be used by other objects or threads to receive notice of cancellation. /// </param> public Task<StartWorkflowExecutionResponse> StartWorkflowExecutionAsync(StartWorkflowExecutionRequest startWorkflowExecutionRequest, CancellationToken cancellationToken = default(CancellationToken)) { var marshaller = new StartWorkflowExecutionRequestMarshaller(); var unmarshaller = StartWorkflowExecutionResponseUnmarshaller.GetInstance(); return Invoke<IRequest, StartWorkflowExecutionRequest, StartWorkflowExecutionResponse>(startWorkflowExecutionRequest, marshaller, unmarshaller, signer, cancellationToken); }
/// <summary> /// Starts an execution of the workflow type in the specified domain using the provided /// <code>workflowId</code> and input data. /// /// /// <para> /// This action returns the newly started workflow execution. /// </para> /// /// <para> /// <b>Access Control</b> /// </para> /// /// <para> /// You can use IAM policies to control this action's access to Amazon SWF resources as /// follows: /// </para> /// <ul> <li>Use a <code>Resource</code> element with the domain name to limit the action /// to only specified domains.</li> <li>Use an <code>Action</code> element to allow or /// deny permission to call this action.</li> <li>Constrain the following parameters by /// using a <code>Condition</code> element with the appropriate keys. <ul> <li> <code>tagList.member.0</code>: /// The key is <code>swf:tagList.member.0</code>.</li> <li> <code>tagList.member.1</code>: /// The key is <code>swf:tagList.member.1</code>.</li> <li> <code>tagList.member.2</code>: /// The key is <code>swf:tagList.member.2</code>.</li> <li> <code>tagList.member.3</code>: /// The key is <code>swf:tagList.member.3</code>.</li> <li> <code>tagList.member.4</code>: /// The key is <code>swf:tagList.member.4</code>.</li> <li> <code>taskList</code>: String /// constraint. The key is <code>swf:taskList.name</code>.</li> <li> <code>name</code>: /// String constraint. The key is <code>swf:workflowType.name</code>.</li> <li> <code>version</code>: /// String constraint. The key is <code>swf:workflowType.version</code>.</li> </ul> </li> /// </ul> /// <para> /// If the caller does not have sufficient permissions to invoke the action, or the parameter /// values fall outside the specified constraints, the action fails by throwing <code>OperationNotPermitted</code>. /// For details and example IAM policies, see <a href="http://docs.aws.amazon.com/amazonswf/latest/developerguide/swf-dev-iam.html">Using /// IAM to Manage Access to Amazon SWF Workflows</a>. /// </para> /// </summary> /// <param name="request">Container for the necessary parameters to execute the StartWorkflowExecution service method.</param> /// /// <returns>The response from the StartWorkflowExecution service method, as returned by SimpleWorkflow.</returns> /// <exception cref="DefaultUndefinedException"> /// /// </exception> /// <exception cref="LimitExceededException"> /// Returned by any operation if a system imposed limitation has been reached. To address /// this fault you should either clean up unused resources or increase the limit by contacting /// AWS. /// </exception> /// <exception cref="OperationNotPermittedException"> /// Returned when the caller does not have sufficient permissions to invoke the action. /// </exception> /// <exception cref="TypeDeprecatedException"> /// Returned when the specified activity or workflow type was already deprecated. /// </exception> /// <exception cref="UnknownResourceException"> /// Returned when the named resource cannot be found with in the scope of this operation /// (region or domain). This could happen if the named resource was never created or is /// no longer available for this operation. /// </exception> /// <exception cref="WorkflowExecutionAlreadyStartedException"> /// Returned by <a>StartWorkflowExecution</a> when an open execution with the same workflowId /// is already running in the specified domain. /// </exception> public StartWorkflowExecutionResponse StartWorkflowExecution(StartWorkflowExecutionRequest request) { var marshaller = new StartWorkflowExecutionRequestMarshaller(); var unmarshaller = StartWorkflowExecutionResponseUnmarshaller.Instance; return Invoke<StartWorkflowExecutionRequest,StartWorkflowExecutionResponse>(request, marshaller, unmarshaller); }
/// <summary> /// Initiates the asynchronous execution of the StartWorkflowExecution operation. /// <seealso cref="Amazon.SimpleWorkflow.IAmazonSimpleWorkflow"/> /// </summary> /// /// <param name="request">Container for the necessary parameters to execute the StartWorkflowExecution operation.</param> /// <param name="cancellationToken"> /// A cancellation token that can be used by other objects or threads to receive notice of cancellation. /// </param> /// <returns>The task object representing the asynchronous operation.</returns> public Task<StartWorkflowExecutionResponse> StartWorkflowExecutionAsync(StartWorkflowExecutionRequest request, System.Threading.CancellationToken cancellationToken = default(CancellationToken)) { var marshaller = new StartWorkflowExecutionRequestMarshaller(); var unmarshaller = StartWorkflowExecutionResponseUnmarshaller.Instance; return InvokeAsync<StartWorkflowExecutionRequest,StartWorkflowExecutionResponse>(request, marshaller, unmarshaller, cancellationToken); }
/// <summary> /// <para> Starts an execution of the workflow type in the specified domain using the provided <c>workflowId</c> and input data. </para> /// <para>This action returns the newly started workflow execution.</para> <para> <b>Access Control</b> </para> <para>You can use IAM policies /// to control this action's access to Amazon SWF resources as follows:</para> /// <ul> /// <li>Use a <c>Resource</c> element with the domain name to limit the action to only specified domains.</li> /// <li>Use an <c>Action</c> element to allow or deny permission to call this action.</li> /// <li>Constrain the following parameters by using a <c>Condition</c> element with the appropriate keys. /// <ul> /// <li> <c>tagList.member.0</c> : The key is <c>swf:tagList.member.0</c> .</li> /// <li> <c>tagList.member.1</c> : The key is <c>swf:tagList.member.1</c> .</li> /// <li> <c>tagList.member.2</c> : The key is <c>swf:tagList.member.2</c> .</li> /// <li> <c>tagList.member.3</c> : The key is <c>swf:tagList.member.3</c> .</li> /// <li> <c>tagList.member.4</c> : The key is <c>swf:tagList.member.4</c> .</li> /// <li> <c>taskList</c> : String constraint. The key is <c>swf:taskList.name</c> .</li> /// <li> <c>name</c> : String constraint. The key is <c>swf:workflowType.name</c> .</li> /// <li> <c>version</c> : String constraint. The key is <c>swf:workflowType.version</c> .</li> /// /// </ul> /// </li> /// /// </ul> /// <para>If the caller does not have sufficient permissions to invoke the action, or the parameter values fall outside the specified /// constraints, the action fails by throwing <c>OperationNotPermitted</c> . For details and example IAM policies, see <a href="http://docs.aws.amazon.com/amazonswf/latest/developerguide/swf-dev-iam.html">Using IAM to Manage Access to Amazon SWF Workflows</a> /// .</para> /// </summary> /// /// <param name="startWorkflowExecutionRequest">Container for the necessary parameters to execute the StartWorkflowExecution service method on /// AmazonSimpleWorkflow.</param> /// /// <returns>The response from the StartWorkflowExecution service method, as returned by AmazonSimpleWorkflow.</returns> /// /// <exception cref="T:Amazon.SimpleWorkflow.Model.TypeDeprecatedException" /> /// <exception cref="T:Amazon.SimpleWorkflow.Model.OperationNotPermittedException" /> /// <exception cref="T:Amazon.SimpleWorkflow.Model.DefaultUndefinedException" /> /// <exception cref="T:Amazon.SimpleWorkflow.Model.UnknownResourceException" /> /// <exception cref="T:Amazon.SimpleWorkflow.Model.WorkflowExecutionAlreadyStartedException" /> /// <exception cref="T:Amazon.SimpleWorkflow.Model.LimitExceededException" /> /// <param name="cancellationToken"> /// A cancellation token that can be used by other objects or threads to receive notice of cancellation. /// </param> public async Task<StartWorkflowExecutionResponse> StartWorkflowExecutionAsync(StartWorkflowExecutionRequest startWorkflowExecutionRequest, CancellationToken cancellationToken = default(CancellationToken)) { var marshaller = new StartWorkflowExecutionRequestMarshaller(); var unmarshaller = StartWorkflowExecutionResponseUnmarshaller.GetInstance(); var response = await Invoke<IRequest, StartWorkflowExecutionRequest, StartWorkflowExecutionResponse>(startWorkflowExecutionRequest, marshaller, unmarshaller, signer, cancellationToken) .ConfigureAwait(continueOnCapturedContext: false); return response; }
/// <summary> /// Initiates the asynchronous execution of the StartWorkflowExecution operation. /// </summary> /// /// <param name="request">Container for the necessary parameters to execute the StartWorkflowExecution operation on AmazonSimpleWorkflowClient.</param> /// <param name="callback">An AsyncCallback delegate that is invoked when the operation completes.</param> /// <param name="state">A user-defined state object that is passed to the callback procedure. Retrieve this object from within the callback /// procedure using the AsyncState property.</param> /// /// <returns>An IAsyncResult that can be used to poll or wait for results, or both; this value is also needed when invoking EndStartWorkflowExecution /// operation.</returns> public IAsyncResult BeginStartWorkflowExecution(StartWorkflowExecutionRequest request, AsyncCallback callback, object state) { var marshaller = new StartWorkflowExecutionRequestMarshaller(); var unmarshaller = StartWorkflowExecutionResponseUnmarshaller.Instance; return BeginInvoke<StartWorkflowExecutionRequest>(request, marshaller, unmarshaller, callback, state); }
internal StartWorkflowExecutionResponse StartWorkflowExecution(StartWorkflowExecutionRequest request) { var task = StartWorkflowExecutionAsync(request); try { return task.Result; } catch(AggregateException e) { throw e.InnerException; } }
private Amazon.SimpleWorkflow.Model.StartWorkflowExecutionResponse CallAWSServiceOperation(IAmazonSimpleWorkflow client, Amazon.SimpleWorkflow.Model.StartWorkflowExecutionRequest request) { Utils.Common.WriteVerboseEndpointMessage(this, client.Config, "AWS Simple Workflow Service (SWF)", "StartWorkflowExecution"); try { #if DESKTOP return(client.StartWorkflowExecution(request)); #elif CORECLR return(client.StartWorkflowExecutionAsync(request).GetAwaiter().GetResult()); #else #error "Unknown build edition" #endif } catch (AmazonServiceException exc) { var webException = exc.InnerException as System.Net.WebException; if (webException != null) { throw new Exception(Utils.Common.FormatNameResolutionFailureMessage(client.Config, webException.Message), webException); } throw; } }
public object Execute(ExecutorContext context) { var cmdletContext = context as CmdletContext; // create request var request = new Amazon.SimpleWorkflow.Model.StartWorkflowExecutionRequest(); if (cmdletContext.ChildPolicy != null) { request.ChildPolicy = cmdletContext.ChildPolicy; } if (cmdletContext.Domain != null) { request.Domain = cmdletContext.Domain; } if (cmdletContext.ExecutionStartToCloseTimeout != null) { request.ExecutionStartToCloseTimeout = cmdletContext.ExecutionStartToCloseTimeout; } if (cmdletContext.Input != null) { request.Input = cmdletContext.Input; } if (cmdletContext.LambdaRole != null) { request.LambdaRole = cmdletContext.LambdaRole; } if (cmdletContext.TagList != null) { request.TagList = cmdletContext.TagList; } // populate TaskList var requestTaskListIsNull = true; request.TaskList = new Amazon.SimpleWorkflow.Model.TaskList(); System.String requestTaskList_taskList_Name = null; if (cmdletContext.TaskList_Name != null) { requestTaskList_taskList_Name = cmdletContext.TaskList_Name; } if (requestTaskList_taskList_Name != null) { request.TaskList.Name = requestTaskList_taskList_Name; requestTaskListIsNull = false; } // determine if request.TaskList should be set to null if (requestTaskListIsNull) { request.TaskList = null; } if (cmdletContext.TaskPriority != null) { request.TaskPriority = cmdletContext.TaskPriority; } if (cmdletContext.TaskStartToCloseTimeout != null) { request.TaskStartToCloseTimeout = cmdletContext.TaskStartToCloseTimeout; } if (cmdletContext.WorkflowId != null) { request.WorkflowId = cmdletContext.WorkflowId; } // populate WorkflowType var requestWorkflowTypeIsNull = true; request.WorkflowType = new Amazon.SimpleWorkflow.Model.WorkflowType(); System.String requestWorkflowType_workflowType_Name = null; if (cmdletContext.WorkflowType_Name != null) { requestWorkflowType_workflowType_Name = cmdletContext.WorkflowType_Name; } if (requestWorkflowType_workflowType_Name != null) { request.WorkflowType.Name = requestWorkflowType_workflowType_Name; requestWorkflowTypeIsNull = false; } System.String requestWorkflowType_workflowType_Version = null; if (cmdletContext.WorkflowType_Version != null) { requestWorkflowType_workflowType_Version = cmdletContext.WorkflowType_Version; } if (requestWorkflowType_workflowType_Version != null) { request.WorkflowType.Version = requestWorkflowType_workflowType_Version; requestWorkflowTypeIsNull = false; } // determine if request.WorkflowType should be set to null if (requestWorkflowTypeIsNull) { request.WorkflowType = null; } CmdletOutput output; // issue call var client = Client ?? CreateClient(_CurrentCredentials, _RegionEndpoint); try { var response = CallAWSServiceOperation(client, request); object pipelineOutput = null; pipelineOutput = cmdletContext.Select(response, this); output = new CmdletOutput { PipelineOutput = pipelineOutput, ServiceResponse = response }; } catch (Exception e) { output = new CmdletOutput { ErrorResponse = e }; } return(output); }
/// <summary> /// <para> Starts an execution of the workflow type in the specified domain using the provided <c>workflowId</c> and input data. </para> <para> /// This action returns the newly started workflow execution. </para> /// </summary> /// /// <param name="startWorkflowExecutionRequest">Container for the necessary parameters to execute the StartWorkflowExecution service method on /// AmazonSimpleWorkflow.</param> /// /// <returns>The response from the StartWorkflowExecution service method, as returned by AmazonSimpleWorkflow.</returns> /// /// <exception cref="TypeDeprecatedException"/> /// <exception cref="OperationNotPermittedException"/> /// <exception cref="DefaultUndefinedException"/> /// <exception cref="UnknownResourceException"/> /// <exception cref="WorkflowExecutionAlreadyStartedException"/> /// <exception cref="LimitExceededException"/> public StartWorkflowExecutionResponse StartWorkflowExecution(StartWorkflowExecutionRequest startWorkflowExecutionRequest) { IRequest<StartWorkflowExecutionRequest> request = new StartWorkflowExecutionRequestMarshaller().Marshall(startWorkflowExecutionRequest); StartWorkflowExecutionResponse response = Invoke<StartWorkflowExecutionRequest, StartWorkflowExecutionResponse> (request, this.signer, StartWorkflowExecutionResponseUnmarshaller.GetInstance()); return response; }
public static void Main(string[] args) { // Define the workflows that we know of that event processor will be handling var workflows = new Dictionary<string, Type> { {"CustomerOrderWorkflow", typeof (CustomerOrderWorkflow)}, {"VerifyCustomerWorkflow", typeof (VerifyCustomerWorkflow)} }; // Stopwatch to see how well we are performing var stopwatch = new Stopwatch(); // We will use this ID as our decision task ID and activity task ID to identify ourselves when polling for // decision and activity tasks. var workflowWorkerIdentity = Guid.NewGuid(); // Print out our AWS SWF domains, workflows and activities Console.Write(GetServiceOutput()); var loop = true; do { // Our super simple application menu Console.WriteLine(""); Console.WriteLine("============="); Console.WriteLine("| Main Menu |"); Console.WriteLine("============="); Console.WriteLine("[1] Submit a new workflow"); Console.WriteLine("[2] Wait for decide using a decision task"); Console.WriteLine("[3] Wait for and do some work for an activity task"); Console.WriteLine("[4] Quit"); Console.Write("\nChoice: "); var key = Console.ReadLine(); if (String.IsNullOrEmpty(key)) { continue; } switch (key) { // Initiate a workflow execution case "1": { Console.WriteLine("Option [1] selected - Submit a new workflow"); // SWF client is disposable, so dispose it using (var swfClient = new AmazonSimpleWorkflowClient(RegionEndpoint.USWest2)) { // Our simple property bag: we just need to the email for the account var propertyBag = new Dictionary<string, object> { { "SampleOrderNumber", "12345" } }; // Setup the workflow request var workflowRequest = new StartWorkflowExecutionRequest { Domain = "demo-domain", WorkflowId = Guid.NewGuid().ToString(), WorkflowType = new WorkflowType { Name = "CustomerOrderWorkflow", Version = "1.0" }, Input = JsonConvert.SerializeObject(propertyBag) }; try { // Call AWS SWF and submit the workflow request swfClient.StartWorkflowExecution(workflowRequest); } catch (AmazonSimpleWorkflowException ex) { Console.WriteLine("Caught Exception: " + ex.Message); Console.WriteLine("Response Status Code: " + ex.StatusCode); Console.WriteLine("Error Code: " + ex.ErrorCode); Console.WriteLine("Error Type: " + ex.ErrorType); Console.WriteLine("Request ID: " + ex.RequestId); Console.WriteLine("Data: " + ex.Data); Console.WriteLine("Stacktrace: " + ex.StackTrace); } } } break; // Poll for decision task case "2": { Console.WriteLine("Option [2] selected - Wait for decide using a decision task"); Console.WriteLine("Waiting..."); // SWF client is disposable, so dispose it using (var swfClient = new AmazonSimpleWorkflowClient(RegionEndpoint.USWest2)) { try { // Setup the decision request var decisionTaskRequest = new PollForDecisionTaskRequest { Domain = "demo-domain", Identity = workflowWorkerIdentity.ToString(), TaskList = new TaskList { Name = "DeciderTaskList-Default" } }; // Call AWS SWF and wait for (default timeout: 60 secs) a decision task var decisionTaskResponse = swfClient.PollForDecisionTask(decisionTaskRequest); // Task token being an empty string means there are no tasks available and // we are past the 60 seconds that AWS holds a connection in case a task // becomes available. If this is the case, we simply retry. var taskToken = decisionTaskResponse.DecisionTask.TaskToken; if (!String.IsNullOrEmpty(taskToken)) { // We have a valid task, do something... var decisionTask = decisionTaskResponse.DecisionTask; switch (decisionTask.WorkflowType.Name) { case "CustomerOrderWorkflow": case "VerifyCustomerWorkflow": { Debug.Assert(decisionTask.WorkflowType.Version == "1.0"); } break; default: Console.WriteLine("ERROR: Unknown workflow."); break; } // Define a new WorkflowEventsProcessor object and let it make the decision! stopwatch.Start(); var workflowProcessor = new WorkflowEventsProcessor(decisionTask, workflows, decisionTaskRequest, swfClient); var decisionRequest = workflowProcessor.Decide(); stopwatch.Stop(); Console.WriteLine(">>> Decision(s) made in " + stopwatch.ElapsedMilliseconds + "ms"); // We have our decision, send it away and do something // more productive with the response swfClient.RespondDecisionTaskCompleted(decisionRequest); } } catch (AmazonSimpleWorkflowException ex) { Console.WriteLine("Caught Exception: " + ex.Message); Console.WriteLine("Response Status Code: " + ex.StatusCode); Console.WriteLine("Error Code: " + ex.ErrorCode); Console.WriteLine("Error Type: " + ex.ErrorType); Console.WriteLine("Request ID: " + ex.RequestId); Console.WriteLine("Data: " + ex.Data); Console.WriteLine("Stacktrace: " + ex.StackTrace); } } } break; // Poll for activity task case "3": { Console.WriteLine("Option [3] selected - Wait for decide using a activity task"); Console.WriteLine("Waiting..."); // SWF client is disposable, so dispose it using (var swfClient = new AmazonSimpleWorkflowClient(RegionEndpoint.USWest2)) { try { // Setup the activity request var activityTaskRequest = new PollForActivityTaskRequest { Domain = "demo-domain", Identity = workflowWorkerIdentity.ToString(), TaskList = new TaskList { Name = "ActivityTaskList-Default" } }; // Call AWS SWF and wait for (default timeout: 60 secs) a activity task var activityTaskResponse = swfClient.PollForActivityTask(activityTaskRequest); // Task token being an empty string means there are no tasks available and // we are past the 60 seconds that AWS holds a connection in case a task // becomes available. If this is the case, we simply retry. var taskToken = activityTaskResponse.ActivityTask.TaskToken; if (!String.IsNullOrEmpty(taskToken)) { // We have a valid task, do something... var activityTask = activityTaskResponse.ActivityTask; Console.WriteLine("\n"); Console.WriteLine(">>> Activity: " + activityTask.ActivityType.Name); // In the real world we would define the activity code in a separate object // and fire off a thread to actually work on it but in this case we are just // testing the workflow so this suffices switch (activityTask.ActivityType.Name) { // CustomerOrderWorkflow activities case "VerifyOrder": case "ShipOrder": { Debug.Assert(activityTask.ActivityType.Version == "1.0"); } break; // VerifyCustomerWorkflow activities case "VerifyCustomerAddress": case "CheckFraudDB": case "ChargeCreditCard": { Debug.Assert(activityTask.ActivityType.Version == "1.0"); } break; default: Console.WriteLine("ERROR: Unknown activity."); break; } var activityCompletedRequest = new RespondActivityTaskCompletedRequest { TaskToken = activityTask.TaskToken, Result = activityTask.Input }; // Completion request setup complete, send it away. NOTE: Do something more // productive with the response swfClient.RespondActivityTaskCompleted(activityCompletedRequest); //var activityFailedRequest = new RespondActivityTaskFailedRequest // { // TaskToken = activityTask.TaskToken, // Details = "Test failure." // }; //// Completion request setup complete, send it away. NOTE: Do something more //// productive with the response //swfClient.RespondActivityTaskFailed(activityFailedRequest); } } catch (AmazonSimpleWorkflowException ex) { Console.WriteLine("Caught Exception: " + ex.Message); Console.WriteLine("Response Status Code: " + ex.StatusCode); Console.WriteLine("Error Code: " + ex.ErrorCode); Console.WriteLine("Error Type: " + ex.ErrorType); Console.WriteLine("Request ID: " + ex.RequestId); Console.WriteLine("Data: " + ex.Data); Console.WriteLine("Stacktrace: " + ex.StackTrace); } } } break; case "4": // Quit loop = false; break; default: Console.WriteLine("ERROR: Unknown command."); break; } } while (loop); }