[Rock-dev] Small change in orogen master with some consequences for people that use subclassing

[Sylvain Joyeux]

I've started to forward a constructor from RTT::TaskContext through the 
orogen-generated class hierarchy

What it means is that the *Base classes generated by orogen now have a 
constructor with the signature

    ControllerBase(std::string const& name,
         RTT::ExecutionEngine* engine,
         TaskCore::TaskState initial_state = Stopped);

for the tasks that don't have needs_configuration, and for the others,

    ControllerBase(std::string const& name,
         RTT::ExecutionEngine* engine);

This has effect for those of you that were using subclassing in orogen. 
For those, you need to add the same constructor to the "user" part of 
the tasks as well, i.e.

    Controller(std::string const& name,
         RTT::ExecutionEngine* engine,
         TaskCore::TaskState initial_state = Stopped)
	: ControllerBase(name, engine, initial_state) {}

As always, you can take the method signature and implementation from

   templates/task/YourTask.cpp
   templates/task/YourTask.hpp

Just beware: you of course need to do initialization in the new 
constructor the same way than in the other constructor !

If you don't use subclassing, you'll be fine (i.e. it will compile). 
People that start to subclass your task will have the problem and will 
need to add the constructor to it though ...


-- 
Sylvain Joyeux (Dr.Ing.)
Space & Security Robotics

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