/// <summary>
/// Handles emulated <see cref="WorkflowExecuteRequest"/> messages.
/// </summary>
/// <param name="request">The received message.</param>
/// <returns>The tracking <see cref="Task"/>.</returns>
private async Task OnEmulatedWorkflowExecuteRequestAsync(WorkflowExecuteRequest request)
{
var contextId = Interlocked.Increment(ref nextEmulatedContextId);
var workflow = new EmulatedWorkflow()
{
Id = request.Options?.ID ?? Guid.NewGuid().ToString("D"),
RunId = Guid.NewGuid().ToString("D"),
ContextId = contextId,
Args = request.Args,
Domain = ResolveDomain(request.Domain),
TaskList = ResolveTaskList(request.Options.TaskList),
Name = request.Workflow,
Options = request.Options,
IsGlobal = true
};
using (await emulationMutex.AcquireAsync())
{
// Add the workflow to the list of pending workflows so that
// the emulation thread can pick them up.
emulatedPendingWorkflows.Add(workflow);
}
await EmulatedLibraryClient.SendReplyAsync(request,
new WorkflowExecuteReply()
{
Execution = new InternalWorkflowExecution()
{
ID = workflow.Id,
RunID = workflow.RunId
}
});
}
/// <summary>
/// Cancels a workflow along with and decendant workflows and activities.
/// </summary>
/// <param name="workflow">The workflow being canceled.</param>
/// <returns>The tracking <see cref="Task"/>.</returns>
private async Task CancelWorkflowAsync(EmulatedWorkflow workflow)
{
foreach (var childWorkflow in workflow.ChildWorkflows)
{
await CancelWorkflowAsync(childWorkflow);
}
workflow.ChildWorkflows.Clear();
foreach (var childActivity in workflow.ChildActivities)
{
await CancelActivityAsync(childActivity);
}
workflow.ChildActivities.Clear();
}
