...
When a crewmember opens the a tab, the front-end does a call to the back-end. It calls a method to SensorWithGraphRecourceSensorWithGraphResource. This is the controller of the SensorWithGraphDAO that gets the data which is needed for displaying graphs on the front-end. The SensorWithGraphDAO creates two DTO's. This is because SensorWithGraphDAO is the information expert of them.
...