RavenclawDev: RavenClawDev: reusing agents in another part of atree
Svetlana Stenchikova
sveta at cs.sunysb.edu
Thu Oct 5 09:19:17 EDT 2006
Thanks Thomas, this makes sense.
I just have one more question. Your Jason server is a Java server, why is
the workaround code in C? Do you use the C server as a wrapper for
Jason?
Svetlana
On Wed, 4 Oct 2006, Thomas K Harris wrote:
> Yes, the frame is sent by the dialog manager. My fixup code is in my backend
> server to parse the inframe. If you write a java version of the fixup code
> and put it in your java backend, then you can treat the inframe like any
> other galaxy frame and make a call something like the following to get the
> inframe properties.
>
> String EventType =
> (String)inframe.getFrame(":event_query").getProperty(":event_type");
>
> The other solution is to change Ravenclaw to not embed the inframe as a
> string, or at least to make that string a validly-formed galaxy frame. I'll
> bring this up tomorrow when the group meets.
>
> -Thomas
>
> > -----Original Message-----
> > From: Svetlana Stenchikova [mailto:sveta at cs.sunysb.edu]
> > Sent: Wednesday, October 04, 2006 12:12 PM
> > To: Thomas K Harris
> > Cc: 'Basia Mucha'; 'Dialog Group CMU'
> > Subject: RE: RavenclawDev: RavenClawDev: reusing agents in another part of
> > atree
> >
> >
> > Thomas,
> > The frame is sent by a dialog manager, right?
> >
> > In our dialog manager we have an agent which calls add_event method of the
> > backend and passes an object "event_add"
> >
> >
> > DEFINE_EXECUTE_AGENT( CDBAddEvent,
> > CALL("java_be.add_event <event_add error>backend_error")
> > )
> >
> > The framework generates the inframe that is passed to the back end.
> >
> > How would do you embed a galaxy frame in a string when making a CALL to
> > a back end from the dialog manager?
> >
> > Is this where your fix-up code comes in? Is your fix-up code part of the
> > dialog manager (as opposed to being a part of a back-end server)?
> >
> > thank you,
> > Svetlana
> >
> > On Wed, 4 Oct 2006, Thomas K Harris wrote:
> >
> > > No, it's just the frame that Ravenclaw sends to the backend that has a
> > > galaxy frame embedded as a string. Its output frame contents are
> > accessible
> > > via the normal galaxy frame access calls.
> > >
> > > -Thomas
> > >
> > >
> > > -----Original Message-----
> > > From: Svetlana Stenchikova [mailto:sveta at cs.sunysb.edu]
> > > Sent: Wednesday, October 04, 2006 11:14 AM
> > > To: Thomas K Harris
> > > Cc: 'Basia Mucha'; 'Dialog Group CMU'
> > > Subject: Re: RavenclawDev: RavenClawDev: reusing agents in another part
> > of
> > > atree
> > >
> > > Thanks Thomas,
> > >
> > > in your Jason server you used:
> > > int i =
> > > Integer.parseInt((String)f.getFrame(":parse").getProperty(":uttid"));
> > >
> > > How did you make that work, did it require some change in RavenClaw?
> > >
> > > Svetlana
> > >
> > > ---------------------------------------------------------
> > > Svetlana Stenchikova, Ph.D. Candidate
> > > Computer Science Department, Stony Brook University
> > > http://cs.sunysb.edu/~sveta
> > > sveta at cs.sunysb.edu
> > > ---------------------------------------------------------
> > >
> > > On Wed, 4 Oct 2006, Thomas K Harris wrote:
> > >
> > > > Yes, Ravenclaw uses this pseudo-galaxy-frame format for the inframe. I
> > > wrote
> > > > some fix-up code that converts these frames to real galaxy frames, but
> > the
> > > > code is in c++. The code snippet follows. This is something that
> > probably
> > > > needs to be fixed in Ravenclaw eventually, but there's an installed
> > code
> > > > base that depends on the current format, so it will take some
> > > coordination.
> > > >
> > > >
> > > >
> > > > Gal_PrFrame(f);
> > > >
> > > > char* s_inframe = Gal_StringValue(aStr);
> > > >
> > > > if(s_inframe) {
> > > >
> > > > //frame fixup -> ravenclaw embeds inframe frame
> > > >
> > > > ostringstream fixed;
> > > >
> > > > string notfixed(s_inframe + 1);
> > > >
> > > > istringstream inotfixed(notfixed);
> > > >
> > > > fixed << "{c zap ";
> > > >
> > > > string token;
> > > >
> > > > do {
> > > >
> > > > inotfixed >> token;
> > > >
> > > > if(token == "}") break;
> > > >
> > > > fixed << ':' << token << ' ';
> > > >
> > > > char cpVal[255];
> > > >
> > > > inotfixed.ignore();
> > > >
> > > > inotfixed.getline(cpVal, 254);
> > > >
> > > > fixed << '"' << cpVal << "\" ";
> > > >
> > > > } while(inotfixed);
> > > >
> > > > GalUtil_Error("working with fixed version: %s",
> > > > fixed.str().c_str());
> > > >
> > > > Gal_Frame inframe =
> > > > Gal_ReadFrameFromString(fixed.str().c_str());
> > > >
> > > > }
> > > >
> > > >
> > > >
> > > > -Thomas
> > > >
> > > >
> > > >
> > > > _____
> > > >
> > > > From: ravenclaw-developers-bounces at LOGANBERRY.srv.cs.cmu.edu
> > > > [mailto:ravenclaw-developers-bounces at LOGANBERRY.srv.cs.cmu.edu] On
> > Behalf
> > > Of
> > > > Basia Mucha
> > > > Sent: Wednesday, October 04, 2006 10:22 AM
> > > > To: Dan Bohus; Dialog Group CMU
> > > > Subject: Re: RavenclawDev: RavenClawDev: reusing agents in another
> > part of
> > > > atree
> > > >
> > > >
> > > >
> > > > Sorry for the last email, I pressed send by mistake.
> > > >
> > > >
> > > >
> > > > What I wanted to write:
> > > >
> > > >
> > > >
> > > > We have created a CalendarBackened that receive GFrames from the
> > > > DataManagar.
> > > >
> > > > The GFrame looks like this:
> > > >
> > > > Received frame:
> > > > {c java_be.get_events
> > > > :hub_opaque_data {c admin_info
> > > > :reply_requested 1
> > > > :session_id "Default"
> > > > :invoked_stype "java_be"
> > > > :tidx 12
> > > > :provider_id "[8]"
> > > > :timestamp [array: type GAL_FLOAT_64, 1
> > elements]
> > > > :scriptless 1 }
> > > > :session_id "Default"
> > > > :tidx 12
> > > > :inframe "{
> > > > event_query {
> > > > event_type CLASS
> > > > }
> > > >
> > > > }
> > > > " }
> > > >
> > > > I could easity get the inframe by
> > > >
> > > > String tokens = ((String)f.getProperty(":inframe"));
> > > >
> > > > however is there a way to get the event_type without parsing the
> > string
> > > > meaning something like
> > > >
> > > > String tokesn =
> > > > ((String)f.getPropperty(":inframe.event_query.event_type")????
> > > >
> > > >
> > > >
> > > > Thank You for all your help.
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > On 10/4/06, Basia Mucha <basiamucha at gmail.com > wrote:
> > > >
> > > > Received frame:
> > > > {c java_be.get_events
> > > > :hub_opaque_data {c admin_info
> > > > :reply_requested 1
> > > > :session_id "Default"
> > > > :invoked_stype "java_be"
> > > > :tidx 12
> > > > :provider_id "[8]"
> > > > :timestamp [array: type GAL_FLOAT_64, 1
> > elements]
> > > > :scriptless 1 }
> > > > :session_id "Default"
> > > > :tidx 12
> > > > :inframe "{
> > > > event_query {
> > > > event_type CLASS
> > > > }
> > > >
> > > > }
> > > > " }
> > > >
> > > >
> > > >
> > > >
> > > > --
> > > > Thanks,
> > > > Basia
> > > >
> > > >
> > >
> > >
> > >
>
>
>
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