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Re: 答复: [birt-dev] Contributing code changes back to the BIRT project

Gary, Wenfeng,

Thank you both for your replies. [Gary - I am extending this conversation's circulation, I hope that is okay for you]

I am overjoyed by your response. I can participate in a whiteboard session at your pleasure. Please feel free to line up the participants on your side as is convenient for yourselves and I will work around that. I have not had the time yet to play with the ECF but possibly we can use if here. If not what do you suggest.

Gary I will prepare a more complete description of the requirements and use cases for distribution before hand.

All the best,

On 11 Jul 2008, at 07:03, Wenfeng Li wrote:
Hi, Joel
Is the extension some kind of desktop viewer of BIRT report that also allow write back to databases?   I am interested in learning more about this feature/project.   

On 10 Jul 2008, at 23:11, Gary Xue wrote:

Joel et al,
This sounds like a great application to be built on top of BIRT, and I am very interested to discuss this with you in more detail. The BIRT project is in fact actively seeking more community involvement in development, and we will be thrilled if this project can materialize into contributions to the open source code base.
The core BIRT platform and its data access layer currently lack the ability to update the data source since it is reporting-oriented. However there are a number of event handling APIs and extension points that can be exploited to make this happen. And we are certainly open to introducing new extension points to facilitate bidirectional data flow in a reporting application.
I think the next step is for us to have a few remote whiteboard sessions, so the BIRT team can learn more about the use cases, and to give you an overview of the relevant extension frameworks currently in place.

From: Joel Rosi-Schwartz [mailto:Joel.Rosi-Schwartz@xxxxxxxxx] 
Sent: Wednesday, July 09, 2008 2:29 AM
To: Gary Xue
Cc: Ulrich Obst; Dennis Schladebeck
Subject: Contributing code changes back to the BIRT project
Hi Gary,
I am working on a commercial project for Bredex who are also Foundation members. Ulli (General Manager) and Dennis (software engineer) are participating on the project and I have copied them on this email.
Bredex has provided their client with custom BIRT reporting system. This is a standalone system based on the BIRT runtime engine. The reporting is triggered from within an existing client application or from the command line. BIRT is not deployed to a J2EE web server and nor does the client wish to introduce a web server into their architecture.
Now the client would like extensions to this system that will enable the following:
  1. preview the report
  2. in the preview make alterations to data in fields, tables and possibly (but this is not a hard requirement) in charts/graphs
  3. save the data back to the server (but not commit to the database yet) and refresh the report
  4. commit back to the database or abandon the changes
While I am exploring ways to avoid making changes to the BIRT code base, I have a doubt that we will be able to achieve our requirements without doing so. In any case it is certainly going to be easier to achieve by alteration of BIRT code.
We think that the work we are doing could be useful for other BIRT users and Bredex would like to contribute these enhancements back to the Foundation. Do you think that the BIRT project would be interested in discussing this? If so who would be the best person to open a dialogue with?
All the best,
P   Please consider the environment before printing this e-mail. Thank you.
Joel Rosi-Schwartz                      Joel.Rosi-Schwartz@xxxxxxxxx          
Etish Limited                     

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