public TabWorkflowTracker()
{
_tabController = TabController.Instance;
_workflowEngine = WorkflowEngine.Instance;
_workflowManager = WorkflowManager.Instance;
_tabWorkflowSettings = TabWorkflowSettings.Instance;
}
static void ComposeModules()
{
//Bootstrapping section
//Wherein we select the modules this application will use.
//This is referred to as the "composition root" of a modular application.
//There are several ways of implementing it, but I'm doing the simple route of hard coding the modules.
var defaultLogger = new ConsoleLogger();
var defaultItemRepository = new ItemRepository();
_defaultWorkflowEngine = new WorkflowEngine(defaultLogger);
_defaultWorkflowProducer = new WorkflowProducer
(
new FooWorkflowFactory
(
defaultItemRepository,
new FooProcessor(),
new FooSender(defaultLogger)
),
new BarWorkflowFactory
(
defaultItemRepository,
new RecordDeleter(defaultLogger)
)
);
}
public void Initialize()
{
var options = TestDbContext.CreateDbContextOptions();
Context = new TestDbContext(options);
var diHelper = new DITestHelper();
var loggerFactory = diHelper.GetLoggerFactory();
ILogger <WorkflowEngine <TestDbContext> > logger = loggerFactory
.CreateLogger <WorkflowEngine <TestDbContext> >();
SimpleWorkflowDefinitionProvider.Instance
.RegisterWorkflowDefinition(new HolidayApprovalWorkflow());
SimpleWorkflowDefinitionProvider.Instance
.RegisterWorkflowDefinition(new OnOffWorkflow());
SimpleWorkflowDefinitionProvider.Instance
.RegisterWorkflowDefinition(new EntityOnOffWorkflow());
IUserContextService userContextService = new TestUserContextService();
this.WorkflowEngine = new WorkflowEngine <TestDbContext>(
Context,
logger,
SimpleWorkflowDefinitionProvider.Instance,
userContextService
);
}
static void ComposeModules()
{
//Bootstrapping section
//Wherein we select the modules this application will use.
//This is referred to as the "composition root" of a modular application.
//There are several ways of implementing it, but I'm doing the simple route of hard coding the modules.
var defaultLogger = new ConsoleLogger();
var defaultItemRepository = new ItemRepository();
_defaultWorkflowEngine = new WorkflowEngine(defaultLogger);
_defaultWorkflowProducer = new WorkflowProducer
(
new FooWorkflowFactory
(
defaultItemRepository,
new FooProcessor(),
new FooSender(defaultLogger)
),
new BarWorkflowFactory
(
defaultItemRepository,
new RecordDeleter(defaultLogger)
)
);
}
public WorkflowEngineTests()
{
_fixture = new Fixture();
_criteriaFactory = new FakeCriteriaFactory();
_corralSetttings = new List <TestCorralSettings>
{
new TestCorralSettings
{
Name = "A",
MaxElements = 50,
StartBIBNumber = 1
},
new TestCorralSettings
{
Name = "B",
MaxElements = 100,
StartBIBNumber = 4000
},
new TestCorralSettings
{
Name = "C",
MaxElements = 2000,
StartBIBNumber = 2000
}
};
_runnerGeneratorMock = new Mock <IRunnerGenerator>();
_workflowEngine = new WorkflowEngine(_corralSetttings, _criteriaFactory, _runnerGeneratorMock.Object);
}
public void Run(IWorkflowEngine workflow)
{
foreach (ITasks tasks in workflow.GetTasks())
{
tasks.Execute();
}
}
public WorkerClient(IClientService clientService, IConfiguration configuration, IServerStatusService serverStatusService,
IWorkflowEngine workflowEngine, ILog log, IWorkerLockManager workerLockManager, IWorkerServiceHost workerServiceHost)
: base(clientService, configuration, serverStatusService, log)
{
_workflowEngine = workflowEngine;
_workerLockManager = workerLockManager;
_workerServiceHost = workerServiceHost;
}
private static void ExecuteBenchmark()
{
// Get number of transitions
Console.Write("Executed transitions: ");
var transCount = int.Parse(Console.ReadLine());
// Generate Workplan
Console.WriteLine();
Console.Write("Generating workplan...");
var workplan = GenerateWorkplan(transCount);
Console.WriteLine("done!");
// Prepare benchmarks
IWorkflowEngine engine = null;
var benchmarks = new[]
{
new
{
message = "Creating engine",
operation = new Action(() => engine = CreateEngine(workplan))
},
new
{
message = "Running on default path",
operation = new Action(() =>
{
engine.TransitionTriggered += (sender, transition) => { };
engine.Start();
})
},
new
{
message = "Creating engine",
operation = new Action(() => engine = CreateEngine(workplan))
},
new
{
message = "Running on random path",
operation = new Action(() =>
{
engine.TransitionTriggered += FindPath;
engine.Start();
})
}
};
// Run benchmarks
foreach (var benchmark in benchmarks)
{
Console.Write(benchmark.message + "...");
StopWatch.Restart();
benchmark.operation();
StopWatch.Stop();
Console.WriteLine("done! Elapsed time: {0}ms", StopWatch.ElapsedMilliseconds);
}
}
public async Task <OpenApiResult> HandleTrigger(string tenantId, string workflowInstanceId, IWorkflowTrigger body)
{
ITenant tenant = await this.marainServicesTenancy.GetRequestingTenantAsync(tenantId).ConfigureAwait(false);
IWorkflowEngine workflowEngine = await this.workflowEngineFactory.GetWorkflowEngineAsync(tenant).ConfigureAwait(false);
await workflowEngine.ProcessTriggerAsync(body, workflowInstanceId).ConfigureAwait(false);
return(this.OkResult());
}
public async Task <OpenApiResult> StartWorkflowInstance(string tenantId, StartWorkflowInstanceRequest body)
{
ITenant tenant = await this.marainServicesTenancy.GetRequestingTenantAsync(tenantId).ConfigureAwait(false);
IWorkflowEngine workflowEngine = await this.workflowEngineFactory.GetWorkflowEngineAsync(tenant).ConfigureAwait(false);
await workflowEngine.StartWorkflowInstanceAsync(body).ConfigureAwait(false);
return(this.CreatedResult());
}
public HolidayService(
DomainContext context,
IWorkflowEngine workflowEngine,
IUserContextService userContext
)
{
this._context = context;
this._workflowEngine = workflowEngine;
this._userContext = userContext;
}
public StepperService(
DomainContext context,
IWorkflowEngine workflowEngine,
IUserContextService userContext,
IMessageBus messageBus
)
{
this.context = context;
this.workflowEngine = workflowEngine;
this.userContext = userContext;
this.messageBus = messageBus;
}
public IssueService(
DomainContext context,
IWorkflowEngine workflowEngine,
IUserContextService userContext,
IMessageBus messageBus
)
{
this._context = context;
this._workflowEngine = workflowEngine;
this._userContext = userContext;
this._messageBus = messageBus;
}
public void Monitor(IWorkflowEngine instance)
{
lock (_monitoredEngines)
{
var monitoredEngine = (IMonitoredEngine)instance;
_monitoredEngines.Add(monitoredEngine);
monitoredEngine.TransitionTriggered += OnTransitionTriggered;
monitoredEngine.PlaceReached += OnPlaceReached;
monitoredEngine.Completed += EngineCompleted;
}
}
public StepperService(
DomainContext context,
IWorkflowEngine workflowEngine,
IUserContextService userContext,
IMessageBus messageBus
)
{
_context = context;
_workflowEngine = workflowEngine;
_userContext = userContext;
_messageBus = messageBus;
}
public async Task WhenICreateANewInstanceCalledOfTheWorkflowWithId(
string instanceId,
string workflowId,
Table table)
{
var context = table.Rows.ToDictionary(x => x["Key"], x => x["Value"]);
ITenantedWorkflowEngineFactory engineFactory = ContainerBindings.GetServiceProvider(this.featureContext).GetService <ITenantedWorkflowEngineFactory>();
ITenantProvider tenantProvider = ContainerBindings.GetServiceProvider(this.featureContext).GetService <ITenantProvider>();
IWorkflowEngine engine = await engineFactory.GetWorkflowEngineAsync(tenantProvider.Root).ConfigureAwait(false);
await engine.StartWorkflowInstanceAsync(new StartWorkflowInstanceRequest { Context = context, WorkflowId = workflowId, WorkflowInstanceId = instanceId }).ConfigureAwait(false);
}
public BaseController()
{
// DI ready
IServiceLocator locator = ServiceLocator.Current;
_host = locator.GetService <IApplicationHost>();
_dbContext = locator.GetService <IDbContext>();
_renderer = locator.GetServiceOrNull <IRenderer>();
_workflowEngine = locator.GetServiceOrNull <IWorkflowEngine>();
_localizer = locator.GetService <ILocalizer>();
_scripter = locator.GetService <IDataScripter>();
_messageService = locator.GetServiceOrNull <IMessageService>();
_userStateManager = locator.GetServiceOrNull <IUserStateManager>();
}
/// <summary>
/// The Process method is invoked asynchronously when <see cref="StartProcessing" /> is
/// called. It will run on a background thread until <see cref="FinishProcessing" />
/// is called.
/// </summary>
/// <returns>
/// A <see cref="Task" /> that will complete after <see cref="FinishProcessing" /> is called.
/// </returns>
private async Task Process()
{
while (true)
{
if (this.queue.IsEmpty)
{
if (this.shouldComplete)
{
break;
}
await Task.Delay(TimeSpan.FromSeconds(1)).ConfigureAwait(false);
continue;
}
this.queue.TryPeek(out WorkflowMessageEnvelope item);
IWorkflowInstanceStore instanceStore =
await this.workflowInstanceStoreFactory.GetWorkflowInstanceStoreForTenantAsync(this.tenantProvider.Root).ConfigureAwait(false);
IWorkflowEngine engine =
await this.workflowEngineFactory.GetWorkflowEngineAsync(this.tenantProvider.Root).ConfigureAwait(false);
if (item.IsTrigger)
{
this.logger.LogInformation("Processing trigger with content type {ContentType}", item.ContentType);
IWorkflowTrigger trigger = item.Trigger;
IEnumerable <string> instanceIds = await instanceStore.GetMatchingWorkflowInstanceIdsForSubjectsAsync(
item.Trigger.GetSubjects(),
int.MaxValue,
0).ConfigureAwait(false);
foreach (string current in instanceIds)
{
await engine.ProcessTriggerAsync(trigger, current).ConfigureAwait(false);
}
}
else
{
this.logger.LogInformation("Processing start workflow instance request");
await engine.StartWorkflowInstanceAsync(item.StartWorkflowInstanceRequest)
.ConfigureAwait(false);
}
this.queue.TryDequeue(out _);
}
}
public bool Remove(IWorkflowEngine instance)
{
lock (_monitoredEngines)
{
var monitoredEngine = (IMonitoredEngine)instance;
var wasMonitored = _monitoredEngines.Remove(monitoredEngine);
if (wasMonitored)
{
UnregisterEvents(monitoredEngine);
}
return(wasMonitored);
}
}
public BaseController(IServiceLocator currentLocator = null)
{
// DI ready
_locator = currentLocator ?? ServiceLocator.Current;
_host = _locator.GetService <IApplicationHost>();
_dbContext = _locator.GetService <IDbContext>();
_renderer = _locator.GetServiceOrNull <IRenderer>();
_workflowEngine = _locator.GetServiceOrNull <IWorkflowEngine>();
_localizer = _locator.GetService <ILocalizer>();
_scripter = _locator.GetService <IDataScripter>();
_messageService = _locator.GetServiceOrNull <IMessageService>();
_userStateManager = _locator.GetServiceOrNull <IUserStateManager>();
_externalDataProvider = _locator.GetServiceOrNull <IExternalDataProvider>();
_tokenProvider = _locator.GetService <ITokenProvider>();
_userLocale = _locator.GetService <IUserLocale>();
}
static void Main()
{
// 0. First define workflow types and implementation classes. Register these with
// the batch workflow factory.
// As an example, a workflow 'type' could constitute a sequence of tasks to deploy
// an application. For example, the sample type 'K8S_DETAILS' below retrieves and
// prints info. on the kubernetes cluster deployed on Azure Batch.
// 1. Register workflow type(s) with the workflow factory
IBatchWorkflowFactory factory = BatchWorkflowFactory.GetInstance();
factory.RegisterWorkflowType(WorkflowTypes.K8S_DETAILS, "core.Flows.K8sClusterInfo");
factory.RegisterWorkflowType(WorkflowTypes.TESK_DEPLOY, "core.Flows.DeployTesk");
// Add a couple more tasks to test TESK deployment
// factory.RegisterWorkflowType("test-tesk-deployment","core.Flows.VerifyTeskDeployment");
// 2. Instantiate the workflow engine (Kubernetes on Azure Batch)
IWorkflowEngine engine =
BatchEngineFactory.GetEngine(
BatchEngineFactory.ENGINE_TYPE_K8S, // Batch workflow engine of type "Kubernetes"
"k8s-pool"); // Name of the Azure Batch pool
// Add batch pool metadata
Dictionary <string, string> poolMetaData = new Dictionary <string, string>();
poolMetaData.Add("Env", "Test");
poolMetaData.Add("OS", "Ubuntu Server 18.04 LTS");
poolMetaData.Add("ImageType", "Custom image with docker");
// Add batch job metadata
Dictionary <string, string> jobMetaData = new Dictionary <string, string>();
jobMetaData.Add("Type", "Run tasks on K8s on Azure Batch");
// 3. Add workflow type(s) to be executed by the workflow engine
// Sample workflow types can be found in './core/Flows' directory
engine.AddWorkflow(WorkflowTypes.K8S_DETAILS);
engine.AddWorkflow(WorkflowTypes.TESK_DEPLOY);
// engine.AddWorkflow("test-tesk-deployment"); // verify Tesk deployment
// 4. Execute workflows in the context of a batch job on the engine
engine.ExecuteWorkflow(
"k8s-job1", // name of Azure Batch job
poolMetaData, // metadata to be assigned to the batch pool
jobMetaData); // metadata to be assigned to the job
}
public static IWorkflowEngine GetEngine(
string name,
string poolName)
{
IWorkflowEngine engine = null;
if (name.Equals(BatchEngineFactory.ENGINE_TYPE_K8S))
{
engine = new K8sWorkflowEngine(poolName);
}
else
{
throw new ArgumentOutOfRangeException($"Engine type: {name} not supported!");
}
return(engine);
}
public async Task GivenIHaveStartedAnInstanceOfTheWorkflowWithInstanceIdAndUsingContextObject(string workflowId, string instanceId, string contextInstanceName)
{
ITenantedWorkflowEngineFactory engineFactory = this.serviceProvider.GetRequiredService <ITenantedWorkflowEngineFactory>();
IWorkflowEngine engine = await engineFactory.GetWorkflowEngineAsync(this.transientTenantManager.PrimaryTransientClient).ConfigureAwait(false);
IDictionary <string, string> context = this.scenarioContext.Get <IDictionary <string, string> >(contextInstanceName);
var request =
new StartWorkflowInstanceRequest
{
WorkflowId = workflowId,
WorkflowInstanceId = instanceId,
Context = context,
};
await engine.StartWorkflowInstanceAsync(request).ConfigureAwait(false);
}
public WorkflowCommands(
IWorkflowLoader workflowLoader,
IWorkflowEngine workflowEngine,
IValuesEngine valuesEngine,
ITemplateEngineFactory templateEngineFactory,
IYamlSerializers serializers,
IPatternMatcherFactory patternMatcherFactory,
ISecretTracker secretTracker,
IBlueprintManager blueprintManager,
IConsole console)
{
_workflowLoader = workflowLoader;
_workflowEngine = workflowEngine;
_valuesEngine = valuesEngine;
_templateEngineFactory = templateEngineFactory;
_serializers = serializers;
_patternMatcherFactory = patternMatcherFactory;
_secretTracker = secretTracker;
_blueprintManager = blueprintManager;
_console = console;
}
public static async Task <WorkflowTriggerInfo> ToWorkflowTriggerInfo(
this IWorkflowEngine workflowEngine,
IWorkflow instance,
TriggerResult result = null)
{
WorkflowTriggerInfo info;
if (result == null || !result.HasErrors)
{
IEnumerable <TriggerResult> triggerResults = await workflowEngine.GetTriggersAsync(instance);
var triggers = triggerResults.Select(x => x.TriggerName);
info = WorkflowTriggerInfo.createForSuccess(triggers);
}
else
{
info = WorkflowTriggerInfo.createForError(result.Errors);
}
return(info);
}
/// <summary>
/// Destroy a workflow engine instance
/// </summary>
public static void Destroy(IWorkflowEngine engine)
{
engine.Dispose();
}
public WorkflowTest()
{
TestConfig.Start();
_dbContext = ServiceLocator.Current.GetService <IDbContext>();
_workflow = ServiceLocator.Current.GetService <IWorkflowEngine>();
}
public App(IWorkflowEngine workflowEngine)
{
this.workflowEngine = workflowEngine;
}
public ContentWorkflowServiceController()
{
_workflowEngine = WorkflowEngine.Instance;
}
public ContentWorkflowServiceController()
{
_workflowEngine = WorkflowEngine.Instance;
}
public WorkflowController()
{
_workflowManager = WorkflowManager.Instance;
_workflowEngine = WorkflowEngine.Instance;
_userController = UserController.Instance;
}
public WorkflowApiController(IWorkflowEngine workflowEngine)
{
this.workflowEngine = workflowEngine;
}
public EngineController(IWorkflowEngine workflowEngine, IWorkContext workContext, IRepository<string> repository)
: base(workContext, repository)
{
this.workflowEngine = workflowEngine;
}
/// <summary>
/// Create a new instance of the subworkflow transition
/// </summary>
public SubworkflowTransition(IWorkflowEngine engine, IIndexResolver indexResolver)
{
_engine = engine;
_indexResolver = indexResolver;
}
public WorkflowEngineBuildResult(WorkflowEngineBuilder workflowEngineBuilder, IWorkflowEngine workflowEngine)
{
WorkflowEngineBuilder = workflowEngineBuilder;
WorkflowEngine = workflowEngine;
}
