The eQ! Foundation has a strong persistence layer. The current version of eQ! runs under ECM, but the new version (due hopefully this spring, but we could possibly setup a pilot license for you) uses Fortress as the container. As for the persistence, here are a few of the features for the next release:

- Full SQL usage (no OQL or SQL hiding. Whatever your DB/driver supports you can use).
- Stored procedure support
- No base class to extend. Works with JavaBeans, DynaBeans and our own BusinessClass base class.
- Ad hoc relationships between objects. This means that you can relate two or more objects together that you normally wouldn't. For example, in an order entry application you wan to see all the products and for each product all the customers that ordered it. Normally you wouldn't have a collection of Customer objects as a property of a Product object, but you can set this up as an ad hoc relationship and eQ! has an association object that wraps the results and it is all configured, not coded.
- Currently uss Excalibur's DataSource componet for internal connection pools with the option of using a DataSource via JNDI
- You can also get a transaction and connection directly from the persistence layer if you want.


You can see some more features and such at: http://www.browsersoft.com/eQ/technical/
There is also a free, unlimited eval license, demo you can download that is a Struts-based app with eQ!.


- Robert


J Aaron Farr wrote:


Hello

There's an Excalibur Datasource component, but I'm looking for a DAO manager
and wondering if something already exists before I head out on my own.

Basically, looking for something like iBatis database layer (http://ibatis.com)
which is essentially is a Factory + Transaction/Connection Wrapper and a
Manager that puts it all together.   The FortressServiceManager with the right
Component Handler can be a factory, but I need something that could potentially
work outside of Avalon too.  Sort of a Avalon compatable DAO Manager.

I'm not sure if I'm being specific or clear enough, so if you want more details
let me know.  If something exists, then I'd love to use it.  If not, then I may
be heading over to SourceForge to create it (or if it fits within Avalon's
scope, I'd donate it here).

jaaron

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