Consider draping a DAO around your persistence. This way you can replace EJB with JDO or RowSet, should you need to Ex DAO interface: http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/basicportal/src_05d/basicPortal/src/org/apache/commons/DAO/BasicDAO.java?rev=1.1.1.1&content-type=text/vnd.viewcvs-markup
I found a RowSet implementation of DAO works better than EJB. v. Ned Wolpert wrote: > EJB provides a way to easily encapsulate business logic and reduce > complexity by moving some difficult functionality/designs into > deployment instead of development. Transaction requirements defined in > the deployment of the EJB beans as opposed to part of the development of > the EJB beans. (And they are easy to migrate/scale to many computers > based on deployment configuration, again, making that task easier for > developers since the programmer does not need to do anything special to > achieve this. > > Session beans contain the business logic (Servlets call them) > Entity beans persist the info to the database. (Session beans call them) > Message beans respond to JMS queues/topics. > > In reality, EJB is simply another design pattern... one that was > over-hyped by the vendors, but can provide flexibility needed in some > cases. > > On Wed, 2002-08-14 at 22:34, Josh wrote: > >>Don't suppose anybody can send me a pointer as to what EJB and Jboss >>actually achieve? All i managed to glean from their website were some pretty >>3d variations on the usual "our product in the middle and some arrows" >>diagrams. >> >>-Josh >> >>"Rimmer, real dumplings, proper dumplings when they're properly >> cooked to perfection, proper dumplings, should not bounce." >> >>----- Original Message ----- >>From: "Nikola Milutinovic" <[EMAIL PROTECTED]> >>To: "Tomcat Users List" <[EMAIL PROTECTED]> >>Sent: Thursday, August 15, 2002 3:31 PM >>Subject: Re: Enterprise Java Beans (EJB) >> >> >> >>>>Does Tomcat support EJB?..... >>> >>>No, it is not the task of Tomcat. >>> >>> >>>>if not, is there a project to migrate tomcat to support EJB?... it will >>> >>be >> >>>>a very nice feature... >>> >>>Other servers, like JBoss, are EJB containers, Tomcat can >> >>connect/integrate with them. There is a version of JBoss that comes bundled >>with Tomcat. Take a look at http://www.jboss.org/ >> >>>Nix. >>> >> >> >>-- >>To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> >>For additional commands, e-mail: <mailto:[EMAIL PROTECTED]> >> >> -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
