public override HttpResponseMessage Execute()
{
// Gets an accepted task types
ParsedTaskRequest request = HttpHelper.GetTaskRequest(Controller.Request);
if (request.Accepts.Count == 0)
{
return(Controller.Request.CreateErrorResponse(HttpStatusCode.BadRequest, "Bad request."));
}
// Gets a task
IProcessedEntity task = _taskProvider.GetNext(request.Accepts);
if (task == null)
{
return(Controller.Request.CreateResponse(HttpStatusCode.NoContent));
}
// Creates a response
HttpResponseMessage responseMessage = Controller.Request.CreateResponse(
HttpStatusCode.Created,
new VideoProcessingTask
{
TaskId = task.TaskId
});
responseMessage.Content.Headers.ContentType.MediaType = HttpHelper.GetContentType(task.EntityType);
var routeParameters = new Dictionary <string, object>
{
{ "id", task.TaskId }
};
string controllerName = HttpHelper.GetControllerName(task.EntityType);
string routeAddress = Controller.Url.Route(controllerName + "Api", routeParameters);
if (routeAddress != null)
{
responseMessage.Headers.Location = new Uri(routeAddress, UriKind.Relative);
}
return(responseMessage);
}
private void DoWork()
{
while (_started)
{
ITask task = _taskProvider.GetNext();
if (task == null)
{
Thread.Sleep(10);
continue;
}
try
{
task.Execute();
OnTaskDone(this);
}
catch (Exception ex)
{
OnTaskError(this, task, ex);
}
}
}