Hi Joe, >From your description it sounds like it makes a lot of sense to add daytrader to the aries/trunk/samples. I think getting the code checked in and then evolving it from there as Aries evolves is the right approach.
+1 from me for adding this to the Aries samples. Regards, Graham. 2010/1/11 Joe Bohn <[email protected]>: > > Greetings all, > > I've been working on a version of the Geronimo Daytrader performance > benchmark to leverage the enterprise OSGi application programming model. > I've been doing this work in my sandbox under Apache Geronimo > (https://svn.apache.org/repos/asf/geronimo/sandbox/jbohn with the most > recent changes under daytrader-bp-new). > > I'd like to find a more permanent location for this work and get it out of > my sandbox. > > Here is a brief description of what I have thus far in sandbox: > - A restructured Daytrader to support an enterprise OSGi application > programming model including blueprint, web container, jndi, jpa, etc... > - To further support this programming model I have also reorganized the > classes, packages, and bundles. > - Simplification and removal of content not yet available in the enterprise > OSGi application programming model such as EJB support and removal of > Geronimo specific artifacts such as the plugins. > - Refactoring the way components gain knowledge of each other and interact > to support blueprint concepts such as reference list and reference > listeners. > - Support for just two different persistence mechanisms - direct JDBC and > direct JPA which are currently included in the enterprise OSGi application > programming model. > - packaging using the Aries Application concepts. > > After seeing the recently introduced Apache Aries Blog Sample and its > assembly for Equinox it encouraged me to do something similar for Daytrader > so that I could get this running with Apache Aries. I now have a further > subset of my sandbox work that could be added as a peer to the blog-sample > which includes just the JDBC persistence mechanism, is hard-wired to Derby, > and includes an Equinox assembly to run it. This is not currently in any svn > because I did it on my local repository under aries/trunk/samples with hopes > of checking it in there. > > I think it is time to get this code to a better home and I'm currently > thinking that aries/trunk/samples is a good place to start. For now I would > check in just the version with JDBC and the equinox assembly. However, I > would extend this with other capabilities already in my sandbox for JPA > persistence, the Aries Application packaging, etc... as these become > available in Aries. > > I'm interested if others agree with this approach, if it seems like a > worthwhile endeavor, and if it is acceptable to include this code under > aries/trunk/samples. > > Here are the current discussion points and concerns as I see them: > 1) Duplication of code between Geronimo and Aries if I check it into Aries. > However, the code is already split from the JavaEE Daytrader version and I > doubt it would be possible to fully merge the code base and keep both the > JavaEE and Aries versions working from a common code base without cluttering > up the code with environment checks. So, even if we keep it all in > Geronimo I think we will still end up with multiple code streams. > 2) The Equinox assembly version for DayTrader currently doesn't exploit > anything directly in Apache Geronimo. It depends upon the pax web container > among other things. It is certainly my intention that this should run on > Geronimo when Geronimo supports osgi rfc 66 among other things. However it > seems strange to include this in Geronimo at this point in time. > 3) Daytrader has always supported running in multiple web containers. I > think moving this enterprise OSGi application version of Daytrader to Aries > further supports this goal and ensures that it won't become too tightly > coupled to Geronimo. > > My apologies for the length of this description. Please let me know your > thoughts - especially if you have any concerns with checking this version of > Daytrader in under > https://svn.apache.org/repos/asf/incubator/aries/trunk/samples > > Thanks, > Joe > >
