/// <summary>
/// Orchestration using REST services, this orchestration signals the above orchestration which waits for an external signal.
/// </summary>
/// <param name="aws"></param>
/// <returns></returns>
static async Task RestSequence(AWS aws)
{
var orchestrationFactory = new AWSOrchestrationFactory(aws.AccessKeyID, aws.SecretAccessKey, aws.Region, true, aws.LambdaRole);
var orchestration = await orchestrationFactory.CreateOrchestrationAsync("RESTSequence1");
try
{
await orchestration.StartWorkflowAsync("REST Workflow Started");
var url = "http://dummy.restapiexample.com/api/v1/";
var a = await orchestration.CallGetAsync <DummyResponse>(url + "employees", null, null, "ServiceOperation1");
var b = await orchestration.CallPostAsync <DummyResponse>(url + "create", null, null, null, "ServiceOperation2");
var c = await orchestration.CallPutAsync <DummyResponse>(url + "update/21", null, null, null, "ServiceOperation3");
var d = await orchestration.CallDeleteAsync <DummyResponse>(url + "delete/21", null, null, "ServiceOperation4");
await orchestration.RaiseEventAsync("Approve", "Sequence3", true);
await orchestration.CompleteWorkflowAsync(d);
}
catch (Exception ex)
{
await orchestration.FailWorkflowAsync(ex);
}
var currentState = await orchestration.GetCurrentState();
}
/// <summary>
/// Orchestration using AWS Lambda functions
/// </summary>
/// <param name="aws"></param>
/// <returns></returns>
static async Task Sequence(AWS aws)
{
/// Initialize orchestration factory for AWS
var orchestrationFactory = new AWSOrchestrationFactory(aws.AccessKeyID, aws.SecretAccessKey, aws.Region, true, aws.LambdaRole);
/// Create a new orchestration
var orchestration = await orchestrationFactory.CreateOrchestrationAsync("Sequence3");
try {
/// Start workflow
await orchestration.StartWorkflowAsync("Workflow Started");
/// Call AWS lambda task
var a = await orchestration.CallTaskAsync <Numbers>("Number", new Numbers { Number1 = 15, Number2 = 5 }, "Operation1");
var b = await orchestration.CallTaskAsync <OperationResult>("Sum", a, "Operation2");
var c = await orchestration.CallTaskAsync <OperationResult>("Difference", a, "Operation3");
var d = await orchestration.CallTaskAsync <OperationResult>("Product", a, "Operation4");
var e = await orchestration.CallTaskAsync <OperationResult>("Quotient", a, "Operation5");
/// Start timer
await orchestration.StartTimerAsync("30SecTimer", new TimeSpan(0, 0, 0, 30, 0));
/// Wait for user input
var approved = await orchestration.WaitForEventAsync <bool>("Approve");
/// Complete workflow
await orchestration.CompleteWorkflowAsync(e);
}
catch (Exception ex)
{
/// Fail workflow
await orchestration.FailWorkflowAsync(ex);
}
var currentState = await orchestration.GetCurrentState();
}
public async Task <Model.Workflow> ProcessAsync(Request request, ILambdaContext context)
{
/// Initialize orchestration factory for AWS
var orchestrationFactory = new AWSOrchestrationFactory(true, request.LambdaRole);
context.Logger.LogLine(JsonConvert.SerializeObject(request));
/// Create a new .
var orchestration = await orchestrationFactory.CreateOrchestrationAsync(request.OrchestrationId);
context.Logger.LogLine("Created");
try
{
/// Start workflow
await orchestration.StartWorkflowAsync("Workflow Started");
context.Logger.LogLine("Started");
/// Call AWS lambda task
var a = await orchestration.CallTaskAsync <Numbers>("Number", request.Numbers, "Operation1");
context.Logger.LogLine("Operation1");
var b = await orchestration.CallTaskAsync <OperationResult>("Sum", a, "Operation2");
context.Logger.LogLine("Operation2");
var c = await orchestration.CallTaskAsync <OperationResult>("Difference", a, "Operation3");
context.Logger.LogLine("Operation3");
var d = await orchestration.CallTaskAsync <OperationResult>("Product", a, "Operation4");
context.Logger.LogLine("Operation4");
var e = await orchestration.CallTaskAsync <OperationResult>("Quotient", a, "Operation5");
context.Logger.LogLine("Operation5");
/// Start timer
await orchestration.StartTimerAsync("30SecTimer", new TimeSpan(0, 0, 0, 30, 0));
context.Logger.LogLine("30SecTimer");
/// Wait for user input
var approved = await orchestration.WaitForEventAsync <bool>("Approve");
context.Logger.LogLine("Approved");
/// Complete workflow
await orchestration.CompleteWorkflowAsync(e);
context.Logger.LogLine("Complete");
}
catch (Exception ex)
{
/// Fail workflow
await orchestration.FailWorkflowAsync(ex);
context.Logger.LogLine("Fail");
context.Logger.LogLine(ex.Message);
context.Logger.LogLine(ex.StackTrace);
}
var currentState = await orchestration.GetCurrentState();
return(currentState);
}
