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From "Christopher James Blythe (JIRA)" <>
Subject [jira] Closed: (DAYTRADER-47) Add full EJB 3 runtime mode (including EJB 3 based stateless session bean and MDBs)
Date Tue, 31 Jul 2007 02:55:53 GMT


Christopher James Blythe closed DAYTRADER-47.

    Resolution: Fixed

> Add full EJB 3 runtime mode (including EJB 3 based stateless session bean and MDBs)
> -----------------------------------------------------------------------------------
>                 Key: DAYTRADER-47
>                 URL:
>             Project: DayTrader
>          Issue Type: New Feature
>          Components: EJB Tier
>    Affects Versions: 2.0
>            Reporter: Christopher James Blythe
>             Fix For: 2.0
> This code was committed into trunk in revision 559535 on 7/25/07
> The following information was posted to the dev list regarding the changes. Since this
basically replaces the existing TradeJPA implementation, I think  it should be removed (will
address this in another JIRA).  
> All,
> As it currently stands, DayTrader 2.0 does not provide what I would consider a viable
showcase application for Java EE 5 technology. The JPA mode that was added uses EJB3/JPA based
entities; however, the mode still lacks a few key elements...
> - EJB 3 based stateless session bean providing the business logic (current impl still
uses EJB 2.1 session beans)
> - EJB 3 based MDBs for Quote streamer and async order processing
> - Improvements to JPA mode to ensure data consistency and improve performance
> I have added a new EJB3 runtime mode that exposes the following...
> - TradeSLSBBean (new EJB 3 based session bean for business logic)
> - DTBroker3MDB (new EJB 3 based MDB for async order processing)
> - DTStreamer3MDB (new EJB 3 based MDB for quote streamer)
> I have made these updates and plan to commit them shortly, I have left the existing TradeJPA
bean as is, in addition to the legacy Direct and EJB 2.1 modes. I have pulled yesterday's
build of Geronimo 2.0 and verified that the new EJB3 mode functionally works along with the
legacy modes. The next step is load testing, so stay tuned...
> Thanks...
> Chris

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