public async Task <RunWorkflowResult?> FindAndRestartTestWorkflowAsync(
string workflowDefinitionId,
string activityId,
int version,
string signalRConnectionId,
string lastWorkflowInstanceId,
string?tenantId = default,
CancellationToken cancellationToken = default)
{
var workflowBlueprint = await _workflowRegistry.FindAsync(workflowDefinitionId, VersionOptions.SpecificVersion(version), tenantId, cancellationToken);
if (workflowBlueprint == null)
{
return(null);
}
var lastWorkflowInstance = await _workflowInstanceStore.FindAsync(new EntityIdSpecification <WorkflowInstance>(lastWorkflowInstanceId), cancellationToken);
if (lastWorkflowInstance == null)
{
return(null);
}
var startActivity = workflowBlueprint.Activities.First(x => x.Id == activityId);
var startableWorkflowDefinition = new StartableWorkflowDefinition(workflowBlueprint, startActivity.Id);
var workflow = await InstantiateStartableWorkflow(startableWorkflowDefinition, cancellationToken);
var previousActivityData = GetActivityDataFromLastWorkflowInstance(lastWorkflowInstance, workflowBlueprint, activityId);
MergeActivityDataIntoInstance(workflow.WorkflowInstance, previousActivityData);
SetMetadata(workflow.WorkflowInstance, signalRConnectionId);
//if previousActivityOutput has any items, then the first one is from activity closest to the starting one
var previousActivityOutput = previousActivityData.Count == 0 ? null : previousActivityData.First().Value?.GetItem("Output");
return(await ExecuteStartableWorkflowAsync(workflow, new WorkflowInput(previousActivityOutput), cancellationToken));
}
private async Task <bool> GetWorkflowIsAlreadyExecutingAsync(string?tenantId, string workflowDefinitionId)
{
var specification = new TenantSpecification <WorkflowInstance>(tenantId).WithWorkflowDefinition(workflowDefinitionId).And(new WorkflowIsAlreadyExecutingSpecification());
return(await _workflowInstanceStore.FindAsync(specification) != null);
}
public static Task <WorkflowInstance?> FindByCorrelationIdAsync(
this IWorkflowInstanceStore store,
string correlationId,
Func <ISpecification <WorkflowInstance>, ISpecification <WorkflowInstance> > specificationBuilder,
CancellationToken cancellationToken = default) =>
store.FindAsync(specificationBuilder(new CorrelationIdSpecification <WorkflowInstance>(correlationId)), cancellationToken);
public Task <WorkflowInstance?> FindAsync(ISpecification <WorkflowInstance> specification, CancellationToken cancellationToken = default) => _store.FindAsync(specification, cancellationToken);
public static Task <WorkflowInstance?> FindByIdAsync(
this IWorkflowInstanceStore store,
string id,
CancellationToken cancellationToken = default) =>
store.FindAsync(new WorkflowInstanceIdSpecification(id), cancellationToken);
