Edited by author 04-24-2001 13:45
Please add your comments the jRelational Framework (http://jrf.sourceforge.net).

For example, you could include some or all of these types of things:

• How you see this framework comparing to other relational mapping tools.
• Strengths you see in this framework.
• Weaknesses you see in this framwork.
• The kinds of tasks it does well for.
• The kinds of tasks it does not do well at.
• Why you chose this framework.
• What other technologies are you using this with? (EJB, Struts, JSP, etc.)
• What kind of application are you building with jRF (B-to-B, web store, client-server, etc.)
  

Thank you! Other users will appreciate the feedback, both positive and negative.

I haven't tried other relational mapping tools, but I did look at brief blurbs about several and explored the docs of some. I'd found a page in a webzine that listed about 30 related tools. These are the things that drew me and my colleagues to it over other solutions:

• open source
• straightforward and understandable
• well documented
• offered under the respected SourceForge auspices
• seemed to have a reasonably sized user community
• Explicity doesn't try to hide SQL knowledge (we really liked that)
• once I got going and had questions, your response was quick and knowledgable

Current weakness is that it doesn't go very far beyond single table mapping (though you're working on that) -- but it shouldn't go very far if it wants to keep the same appeal of simplicity.
We're using it with JSP, though not directly -- layers between.
The app is a financial marketplace.

Excellent work! Please keep it up!

Ditto to all of the positive comments already posted. I had written an O/R mapper last year, but quickly adopted JRF as soon as I encountered it. I have made very good use of the schema-based source generator. I like the ease of extending and modifying the classes. I have used JRF with Jakarta Struts in two non-profit organization web sites to great advantage. Jonathan and the people on the user list have been very helpful when I have had questions. I look forward to a little more "out of the box" relational mapping, but it is not that much trouble to do anyway. A great tool!

We evaluated JRF to be used between Oracle and EJBs but decided against it after some performance tests. I found it a good easy to use mapping tool but due to out required throughput we need PreparedStatements for all SQL

Our company has used JRF successfully on several projects. Great job!!

Recently I evaluated JRF and Cocobase for a new project. JRF was by far easier to use and had a much lower ramp-up time. There is a little more coding work up front with JRF, but usage is far simpler. Plus the source generation class provided me with 80% - 90% of what I needed anyway. We are currently using JRF for the project and are very pleased with it. Also, the documentation for JRF was outstanding.

One thing you "might" consider doing is to create an RPM for this (to facilitate installing the RPM into the standard location / etc. ).

I´ve been reading faqs and other documentation and I see you don´t represent StoredProcedure´s as objects, you don´t have a class that represent an stored procedure, do you?

I've had some problem compiling the last beta .........
I'm using version 1.7rc1 yet...

Hi there !

Well... please keep this clean quick and easy to use not like the Apache's OJB...

And please convert the new release hierarchy as the first (com.is.jrf) and not like they are now when you download the beta....Sucks when you try to check if everything is ready for the next release ;)


Nice job guys, U'll go far !!!

Hi,
I have just started using JRF and obviously I must be doing something wrong since I am all the time getting java.sql.SQLException: All JDBCHelper instances are busy
exception ....can anybody tell me under what conditions this error is created...I mean I can read error's body....but I am actaully running simple example based on source code which is provided with distribution
Thanks

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