Our shop uses Castor, which is good for getting you up and running quickly as it can generate entity object code from a database schema. I don't know about simplicity, however...I don't think any persistence layer is really that simple. :(
peace, Joe > -----Original Message----- > From: Chen, Dean (Zhun) [mailto:[EMAIL PROTECTED]] > Sent: Thursday, October 03, 2002 12:25 PM > To: 'Struts Users Mailing List' > Subject: RE: Should I use a persistence layer? > > > Thanks for this, what good persistence layers are there? Is > there something > that works with struts and is simple? > > Dean Chen > > > > > -----Original Message----- > From: Joe Barefoot [mailto:[EMAIL PROTECTED]] > Sent: Thursday, October 03, 2002 2:41 PM > To: Struts Users Mailing List > Subject: RE: Should I use a persistence layer? > > > Yes. The standard approach is to only keep in memory results that are > currently on the page. Have a persistence layer (either EJB > or O/R mapping > tool, or a combination of the two) "page" the results for > you. i.e., you > give it search criteria, sort criteria, a begin index, and an > end index, and > it gives you back the results. This solves two problems: > The one you are > encountering with bad results with two different windows, and > the memory > problems associated with very large result sets. > > There are examples of this sort of implementation out there; > sorry I can't > provide links. :( > > peace, > Joe > > > -----Original Message----- > > From: Chen, Dean (Zhun) [mailto:[EMAIL PROTECTED]] > > Sent: Thursday, October 03, 2002 10:13 AM > > To: 'Struts Users Mailing List' > > Subject: Should I use a persistence layer? > > > > > > Hi, > > > > For an web application, is there a way for a user to > paginate through > > (similar to google) a lot of data across multiple browser windows. > > > > The usual way of paginating with session scope works fine. > > However, if a > > user has 2 windows open on the same application. When he/she > > queries on one, > > then queries on another, and then comes back to the first > > window and click > > "Next", he/she will get bad results. > > > > Does this lead to EJB or any other persistence layers? > > > > Thanks, > > > > > > Dean Chen > > > > > > -- > > 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]> > > -- > 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]>

