public WorkflowLaunchpad(
IWorkflowInstanceStore workflowInstanceStore,
IWorkflowFactory workflowFactory,
IBookmarkFinder bookmarkFinder,
ITriggerFinder triggerFinder,
IDistributedLockProvider distributedLockProvider,
IWorkflowInstanceDispatcher workflowInstanceDispatcher,
IWorkflowInstanceExecutor workflowInstanceExecutor,
IWorkflowRunner workflowRunner,
IWorkflowRegistry workflowRegistry,
IGetsStartActivities getsStartActivities,
ElsaOptions elsaOptions,
ILogger <WorkflowLaunchpad> logger)
{
_workflowInstanceStore = workflowInstanceStore;
_bookmarkFinder = bookmarkFinder;
_triggerFinder = triggerFinder;
_distributedLockProvider = distributedLockProvider;
_workflowInstanceDispatcher = workflowInstanceDispatcher;
_elsaOptions = elsaOptions;
_logger = logger;
_getsStartActivities = getsStartActivities;
_workflowRegistry = workflowRegistry;
_workflowRunner = workflowRunner;
_workflowInstanceExecutor = workflowInstanceExecutor;
_workflowFactory = workflowFactory;
}
public static ElsaOptions AddStartupActivities(this ElsaOptions options)
{
options.Services.AddStartupTask <RunStartupWorkflows>();
options.AddActivity <Activities.Startup>();
return(options);
}
public CreateSubscriptions(IServiceBusFactory serviceBusFactory, ElsaOptions elsaOptions, IContainerNameAccessor containerNameAccessor)
{
_serviceBusFactory = serviceBusFactory;
_containerNameAccessor = containerNameAccessor;
_competingMessageTypes = elsaOptions.CompetingMessageTypes;
_pubSubMessageTypes = elsaOptions.PubSubMessageTypes;
}
public QuartzWorkflowInstanceScheduler(QuartzSchedulerProvider schedulerProvider, IDistributedLockProvider distributedLockProvider, ElsaOptions elsaOptions, ILogger <QuartzWorkflowInstanceScheduler> logger)
{
_schedulerProvider = schedulerProvider;
_distributedLockProvider = distributedLockProvider;
_elsaOptions = elsaOptions;
_logger = logger;
}
public async Task DispatchAsync(ExecuteWorkflowInstanceRequest request, CancellationToken cancellationToken = default)
{
var workflowInstance = await _workflowInstanceStore.FindByIdAsync(request.WorkflowInstanceId, cancellationToken);
if (workflowInstance == null)
{
_logger.LogWarning("Cannot dispatch a workflow instance ID that does not exist");
return;
}
var workflowBlueprint = await _workflowRegistry.GetAsync(workflowInstance.DefinitionId, workflowInstance.TenantId, VersionOptions.SpecificVersion(workflowInstance.Version), cancellationToken);
if (workflowBlueprint == null)
{
_logger.LogWarning("Workflow instance {WorkflowInstanceId} references workflow blueprint {WorkflowDefinitionId} with version {Version}, but could not be found",
workflowInstance.Id,
workflowInstance.DefinitionId,
workflowInstance.Version);
return;
}
var channel = _workflowChannelOptions.GetChannelOrDefault(workflowBlueprint.Channel);
var queue = ElsaOptions.FormatChannelQueueName <ExecuteWorkflowInstanceRequest>(channel);
EnqueueJob <WorkflowInstanceJob>(x => x.ExecuteAsync(request, CancellationToken.None), queue);
}
public ServiceBusFactory(ElsaOptions elsaOptions, ILoggerFactory loggerFactory, IServiceProvider serviceProvider)
{
_elsaOptions = elsaOptions;
_loggerFactory = loggerFactory;
_serviceProvider = serviceProvider;
_handlerActivator = new DependencyInjectionHandlerActivator(serviceProvider);
}
public TypeBasedActivityProvider(ElsaOptions options,
IDescribesActivityType describesActivityType,
IActivityActivator activityActivator)
{
_describesActivityType = describesActivityType;
_activityActivator = activityActivator;
_elsaOptions = options;
}
public LockingWorkflowRunner(
IWorkflowRunner workflowRunner,
IDistributedLockProvider distributedLockProvider,
ElsaOptions elsaOptions)
{
_workflowRunner = workflowRunner;
_distributedLockProvider = distributedLockProvider;
_elsaOptions = elsaOptions;
}
public LockingWorkflowInstanceExecutor(
IWorkflowInstanceExecutor workflowInstanceExecutor,
IDistributedLockProvider distributedLockProvider,
ElsaOptions elsaOptions,
ILogger <LockingWorkflowInstanceExecutor> logger)
{
_workflowInstanceExecutor = workflowInstanceExecutor;
_distributedLockProvider = distributedLockProvider;
_elsaOptions = elsaOptions;
_logger = logger;
}
public async Task DispatchAsync(ExecuteWorkflowDefinitionRequest request, CancellationToken cancellationToken = default)
{
var workflowBlueprint = await _workflowRegistry.GetAsync(request.WorkflowDefinitionId, request.TenantId, VersionOptions.Published, cancellationToken);
if (workflowBlueprint == null)
{
_logger.LogWarning("No published version found for workflow blueprint {WorkflowDefinitionId}", request.WorkflowDefinitionId);
return;
}
var channel = _workflowChannelOptions.GetChannelOrDefault(workflowBlueprint.Channel);
var queue = ElsaOptions.FormatChannelQueueName <ExecuteWorkflowDefinitionRequest>(channel);
await _commandSender.SendAsync(request, queue, default, cancellationToken);
public PurgeSubscriptions(
IServiceBusFactory serviceBusFactory,
ElsaOptions elsaOptions,
ILogger logger,
IDistributedLockProvider distributedLockProvider,
string connectionString)
{
_serviceBusFactory = serviceBusFactory;
_elsaOptions = elsaOptions;
_logger = logger;
_distributedLockProvider = distributedLockProvider;
_managementClient = new ServiceBusAdministrationClient(connectionString);
}
public ContinueRunningWorkflows(
IWorkflowInstanceStore workflowInstanceStore,
IWorkflowInstanceDispatcher workflowInstanceDispatcher,
IDistributedLockProvider distributedLockProvider,
ElsaOptions elsaOptions,
ILogger <ContinueRunningWorkflows> logger)
{
_workflowInstanceStore = workflowInstanceStore;
_workflowInstanceDispatcher = workflowInstanceDispatcher;
_distributedLockProvider = distributedLockProvider;
_elsaOptions = elsaOptions;
_logger = logger;
}
public ExecuteWorkflowDefinition(
IStartsWorkflow startsWorkflow,
IWorkflowRegistry workflowRegistry,
IWorkflowInstanceStore workflowInstanceStore,
IDistributedLockProvider distributedLockProvider,
ElsaOptions elsaOptions,
ILogger <ExecuteWorkflowDefinition> logger)
{
_startsWorkflow = startsWorkflow;
_workflowRegistry = workflowRegistry;
_workflowInstanceStore = workflowInstanceStore;
_distributedLockProvider = distributedLockProvider;
_elsaOptions = elsaOptions;
_logger = logger;
}
public TriggerWorkflows(
IWorkflowInstanceStore workflowInstanceStore,
IBookmarkFinder bookmarkFinder,
ITriggerFinder triggerFinder,
IDistributedLockProvider distributedLockProvider,
IMediator mediator,
ElsaOptions elsaOptions,
ILogger <TriggerWorkflows> logger)
{
_workflowInstanceStore = workflowInstanceStore;
_bookmarkFinder = bookmarkFinder;
_triggerFinder = triggerFinder;
_distributedLockProvider = distributedLockProvider;
_mediator = mediator;
_elsaOptions = elsaOptions;
_logger = logger;
}
public CreateSubscriptions(IServiceBusFactory serviceBusFactory, ElsaOptions elsaOptions, IContainerNameAccessor containerNameAccessor)
{
_serviceBusFactory = serviceBusFactory;
_containerNameAccessor = containerNameAccessor;
_competingMessageTypes = elsaOptions.CompetingMessageTypes.ToList();
_pubSubMessageTypes = elsaOptions.PubSubMessageTypes;
var workflowChannelOptions = elsaOptions.WorkflowChannelOptions;
var workflowChannels = workflowChannelOptions.Channels.ToList();
// For each workflow channel, register a competing message type for workflow definition and workflow instance consumers.
foreach (var workflowChannel in workflowChannels)
{
_competingMessageTypes.Add(new CompetingMessageType(typeof(ExecuteWorkflowDefinitionRequest), ElsaOptions.FormatChannelQueueName <ExecuteWorkflowDefinitionRequest>(workflowChannel)));
_competingMessageTypes.Add(new CompetingMessageType(typeof(ExecuteWorkflowInstanceRequest), ElsaOptions.FormatChannelQueueName <ExecuteWorkflowInstanceRequest>(workflowChannel)));
}
}
public ElsaOptionsBuilder(IServiceCollection services)
{
ElsaOptions = new ElsaOptions();
Services = services;
AddAutoMapper = () =>
{
// The profiles are added to AddWorkflowsCore so that they are not forgotten in case the AddAutoMapper function(option) is overridden.
services.AddAutoMapper(Enumerable.Empty <Assembly>(), ServiceLifetime.Singleton);
};
services.AddSingleton <InMemNetwork>();
services.AddSingleton <InMemorySubscriberStore>();
services.AddSingleton <InMemDataStore>();
services.AddMemoryCache();
services.AddSingleton <ICacheSignal, CacheSignal>();
DistributedLockingOptionsBuilder = new DistributedLockingOptionsBuilder(this);
}
public static BackgroundJobServerOptions ConfigureForElsaDispatchers(this BackgroundJobServerOptions options, IServiceProvider serviceProvider)
{
var queues = options.Queues.ToHashSet();
// Add default worker queues.
queues.AddRange(new[] { QueueNames.CorrelatedWorkflows });
// Add queue variations based on workflow channels, if any.
var elsaOptions = serviceProvider.GetRequiredService <ElsaOptions>();
var channels = elsaOptions.WorkflowChannelOptions.Channels;
foreach (var channel in channels)
{
queues.Add(ElsaOptions.FormatChannelQueueName <ExecuteWorkflowDefinitionRequest>(channel));
queues.Add(ElsaOptions.FormatChannelQueueName <ExecuteWorkflowInstanceRequest>(channel));
}
options.Queues = queues.ToArray();
return(options);
}
public ActivityActivator(ElsaOptions options, IWorkflowStorageService workflowStorageService)
{
_elsaOptions = options;
_workflowStorageService = workflowStorageService;
}
public OptionsContainerNameAccessor(ElsaOptions elsaOptions) => _elsaOptions = elsaOptions;
public ProgrammaticWorkflowProvider(ElsaOptions elsaOptions, IServiceProvider serviceProvider, Func <IWorkflowBuilder> workflowBuilder)
{
_workflows = elsaOptions.WorkflowFactory.CreateServices(serviceProvider);
_workflowBuilder = workflowBuilder;
}
public WorkflowStorageService(IEnumerable <IWorkflowStorageProvider> providers, ElsaOptions elsaOptions, IServiceProvider serviceProvider)
{
_defaultStorageProvider = (IWorkflowStorageProvider?)ActivatorUtilities.GetServiceOrCreateInstance(serviceProvider, elsaOptions.DefaultWorkflowStorageProviderType) !;
_providersLookup = providers.ToDictionary(x => x.Name);
}
public List(ElsaOptions elsaOptions) => _workflowChannels = elsaOptions.WorkflowChannelOptions.Channels.ToList();
public HangfireWorkflowDispatcher(IBackgroundJobClient jobClient, IWorkflowInstanceStore workflowInstanceStore, IWorkflowRegistry workflowRegistry, ElsaOptions elsaOptions, ILogger <HangfireWorkflowDispatcher> logger)
{
_jobClient = jobClient;
_workflowInstanceStore = workflowInstanceStore;
_workflowRegistry = workflowRegistry;
_workflowChannelOptions = elsaOptions.WorkflowChannelOptions;
_logger = logger;
}
public QueuingWorkflowDispatcher(ICommandSender commandSender, IWorkflowInstanceStore workflowInstanceStore, IWorkflowRegistry workflowRegistry, ElsaOptions elsaOptions, ILogger <QueuingWorkflowDispatcher> logger)
{
_commandSender = commandSender;
_workflowInstanceStore = workflowInstanceStore;
_workflowRegistry = workflowRegistry;
_workflowChannelOptions = elsaOptions.WorkflowChannelOptions;
_logger = logger;
}
public List(ElsaOptions elsaOptions, IEndpointContentSerializerSettingsProvider serializerSettingsProvider)
{
_serializerSettingsProvider = serializerSettingsProvider;
_workflowChannels = elsaOptions.WorkflowChannelOptions.Channels.ToList();
}
public CreateSubscriptions(IServiceBusFactory serviceBusFactory, ElsaOptions elsaOptions)
{
_serviceBusFactory = serviceBusFactory;
_messageTypes = elsaOptions.MessageTypes;
}
public ActivityActivator(ElsaOptions options)
{
_elsaOptions = options;
}
