public async Task ThenThereShouldBeANewWorkflowInstanceInTheWorkflowInstanceStore(int expected)
{
ITenantedWorkflowInstanceStoreFactory storeFactory = this.serviceProvider.GetRequiredService <ITenantedWorkflowInstanceStoreFactory>();
IWorkflowInstanceStore store = await storeFactory.GetWorkflowInstanceStoreForTenantAsync(this.transientTenantManager.PrimaryTransientClient).ConfigureAwait(false);
IEnumerable <string> instances = await store.GetMatchingWorkflowInstanceIdsForSubjectsAsync(Array.Empty <string>(), int.MaxValue, 0).ConfigureAwait(false);
Assert.AreEqual(expected, instances.Count());
}
public async Task TheWorkflowInstanceStoreIsEmpty()
{
ITenantedWorkflowInstanceStoreFactory storeFactory = this.serviceProvider.GetRequiredService <ITenantedWorkflowInstanceStoreFactory>();
IWorkflowInstanceStore store = await storeFactory.GetWorkflowInstanceStoreForTenantAsync(this.transientTenantManager.PrimaryTransientClient).ConfigureAwait(false);
IEnumerable <string> instanceIds = await store.GetMatchingWorkflowInstanceIdsForSubjectsAsync(Array.Empty <string>(), int.MaxValue, 0).ConfigureAwait(false);
foreach (string current in instanceIds)
{
await store.DeleteWorkflowInstanceAsync(current).ConfigureAwait(false);
}
}
/// <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 async Task <string[]> RunAction(
[ActivityTrigger] IDurableActivityContext context)
{
WorkflowMessageEnvelope envelope =
context.GetInputWithCustomSerializationSettings <WorkflowMessageEnvelope>(this.serializerSettingsProvider.Instance);
ITenant tenant = await this.tenantProvider.GetTenantAsync(envelope.TenantId);
IWorkflowInstanceStore instanceStore =
await this.workflowInstanceStoreFactory.GetWorkflowInstanceStoreForTenantAsync(tenant);
IEnumerable <string> instanceIds = await instanceStore.GetMatchingWorkflowInstanceIdsForSubjectsAsync(
envelope.Trigger.GetSubjects(),
500,
envelope.GetWorkflowInstancesPageNumber());
return(instanceIds.ToArray());
}
