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NeXtMidas Training
Primitives
Primitive Restarts
Control Flow (Restart)
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- Control flow during a restart:
- A restart is triggered by setting the state of a primitive to
RESTART.
Never directly call restart().
- After the current call to
process() is done Command will
automatically check the primitive state. If the state is set to RESTART
it will call restart().
- While this may seem trivial, it is very important because it ensures that the
current call to
process() is not interrupted.
- The
restart() method restarts a primitive by calling close()
and then open() before allowing the primitive to return to
process().
- To most primitives a restart is nothing more than "typical" operation because it
sees
open(), process(), ..., process(),
close() just like it normally does. The only difference is that
the close() is immediately followed by whole "new" execution of
the primitive.
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