8th Biennial Ptolemy Miniconference: April 16, 2009

[Christopher Brooks]

Our tentative plan is to hold the 8th Biennial Ptolemy
Miniconference on Thursday, April 16, 2009 in San Francisco.

We intend to have the miniconference as a workshop in
association with RTAS/HSCC/ISPN.

The details of the format for the miniconference have
not yet been decided.

You are encouraged to submit papers to the conferences, below
are the websites and dates.

RTAS 15th IEEE Real-Time and Embedded Technology and Applications Symposium
http://www.rtas.org/09-rtas-cfp.txt - Extended to Oct 20

The 8th ACM/IEEE International Conference on Information Processing in
Sensor Networks
http://ipsn.acm.org/2009/callforpapers.html - Due Oct 15

Hybrid Systems: Computation and Control (HSCC'09)
http://www.ee.ucla.edu/~hscc09/HSCC09CFP.pdf - Extended to Oct 17

_Christopher

--
Christopher Brooks (cxh at eecs berkeley edu) University of California
Chess Executive Director US Mail: 337 Cory Hall
Programmer/Analyst Chess/Ptolemy/Trust Berkeley, CA 94720-1774
ph: 510.643.9841 fax: 510.642.2718 (office: 545Q Cory)
home: (F-Tu) 707.665.0131 (W-F) 510.655.5480

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[Richard Ware]

[Christopher Brooks]

Hi Richard,
Actors usually don't have equals() and hashCode() methods.
However, if you define a custom token, like
actor.lib.security.KeyToken, then the custom token should
have equals() and hashCode() methods.

_Christopher

Richard Ware wrote:
> Can you guys remind me whether there's any architectural
> reason to avoid overriding equals() (and hashCode() ) when
> writing an actor in Java? Thanks!
>
> Rich Ware
> MOCASystems

[Richard Ware]

[Christopher Brooks]

Implementing equals() and hashCode() in actors is not likely to break
much. Actors can be passed as Tokens, there is ptolemy.data.ActorToken.
ActorToken is used in the Graph Transformation and the
Ptolemy Hierarchical Orthogonal Multi-Attribute Solver (PtHOMAS)
work. I don't think adding equals() and hashCode() to actors will
affect ActorToken, but it could.

I say go for it. Let me know if you have problems.

_Christopher

Richard Ware wrote:
> I assume then that I won't break the framework by writing equals()
> and hashCode() in my actor (because some of my other code wants
> to use them).
>
> Thanks, Christopher!

>
> On Mon, Oct 27, 2008 at 12:40 PM, Christopher Brooks
> <c...@eecs.berkeley.edu <mailto:c...@eecs.berkeley.edu>> wrote:
>
> Hi Richard,
> Actors usually don't have equals() and hashCode() methods.
> However, if you define a custom token, like
> actor.lib.security.KeyToken, then the custom token should
> have equals() and hashCode() methods.
>
> _Christopher
>
>

--

[Edward A. Lee]