public async Task NotifyDeleted(NodeInstance node)
{
await ExecuteAction(node, _ => _?.OnDelete(node));
var driverNode = _mapper.Get(node.ObjId);
if (driverNode == null)
{
return;
}
foreach (var child in driverNode.Children)
{
await NotifyDeleted(child.DriverContext.NodeInstance);
}
await driverNode.Stop();
_mapper.Remove(driverNode);
}
private Task <T> ExecuteAction <T>(NodeInstance node, Func <IDriverNode, Task <T> > action)
{
try
{
var driverNode = _mapper.Get(node.ObjId);
if (driverNode != null)
{
return(action(driverNode));
}
return(Task.FromResult(default(T)));
}
catch (NodeNotFoundException)
{
throw;
}
catch (Exception e)
{
_logger.LogError($"Could not execute action {action} {e}");
throw;
}
}