Hi Fahim Comments in line...
Regards Simon On Sat, Dec 6, 2008 at 4:01 PM, SALIM Fahim <[EMAIL PROTECTED]> wrote: > Hi all > > I have another question concerning annotation. > If I want to use @Callback for two components > > 1/ does it mean that component1 invoque some method of component2 and then > component1 method is invoked from component2 ? > A kind of request-response interaction behaviour Yes, that's the idea. Imagine that you have components A and B. Initially A calls B and then continues processing. At some time in the future B calls back to A. A B -- -- |------------>| | | | |<--------| | | > > 2/ or does it mean that component2 can invoke some method of component1 > wathever component1 is doing ? > A kind of notification message No, the idea is to provide a mechanism where B can operate asynchronously of A and return results to A at some point in the future without A having to block waiting for the results. > > Is the interaction necessary done in an asynchronous manner ? > > > Thanks > Fahim > >
