@Heiko: I heard you loud an clear. Thank you. 

I'm still confused, however. So within the onReceive method of an actor, I 
understand it's allowed to call pipe like this, correct?

Patterns.pipe(Patterns.ask(otherActor, message, timeout), 
context().dispatcher());


If yes, what's the way if I want to wrap the ask result to add some information 
for subsequent processing that the otherActor cannot do? Would it be OK to call 
something like this?


Patterns.pipe(Patterns.ask(otherActor, message, timeout).map(new Mapper<Object, 
Object>() {
    @Override
    public Object apply(Object parameter) {
        return new WrappedMessage(message, otherImmutableParameter);
    }
}, context().dispatcher()), context().dispatcher());


Or does using the future's map method again violate the "don't use future 
callbacks in actors" rule?


Sorry if this sounds stupid, but wrapping one's head around the Scala–Java 
gap ain't easy, at least for me.

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