Hi Simon Thanks for your response
Regards Fahim 2008/12/8 Simon Laws <[EMAIL PROTECTED]> > 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 >> >> >
