Elements in an automation test framework:
actor,---simulate trader, have its own name, can get controll of the trading application. Actor's instantiation can be configured by spring beans in test project.
controller,---simulate trading application GUI, can do various actions, each action can return a specific interactor. Actually controller is calling application to do the most important thing.
interactor,---simulate panel for a specific action, each method in the interator will return the object itself, which is Fluent Interface.