public async Task <string> StartWorkflow <TData>(string workflowId, int version, TData data)
{
if (_shutdown)
{
throw new Exception("Host is not running");
}
var def = _registry.GetDefinition(workflowId, version);
if (def == null)
{
throw new Exception(String.Format("Workflow {0} version {1} is not registered", workflowId, version));
}
var wf = new WorkflowInstance();
wf.WorkflowDefinitionId = workflowId;
wf.Version = version;
wf.Data = data;
wf.Description = def.Description;
wf.NextExecution = 0;
wf.Status = WorkflowStatus.Runnable;
wf.ExecutionPointers.Add(new ExecutionPointer()
{
StepId = def.InitialStep, Active = true
});
string id = await _persistenceStore.CreateNewWorkflow(wf);
await _queueProvider.QueueForProcessing(id);
return(id);
}