On 20/10/2010, at 12:50 PM, BJ Freeman wrote:

> 
> 
> 
> =========================
> BJ Freeman
> Strategic Power Office with Supplier Automation  
> <http://www.businessesnetwork.com/automation/viewforum.php?f=52>
> Specialtymarket.com  <http://www.specialtymarket.com/>
> Systems Integrator-- Glad to Assist
> 
> Chat  Y! messenger: bjfr33man
> Scott Gray sent the following on 10/19/2010 2:29 PM:
>> On 20/10/2010, at 3:31 AM, BJ Freeman wrote:
>> 
>>> I would like to balance that with the ability to modify code as need 
>>> arises. especially when doing vertical markets.
>> 
>> Your ability to modify the source code is not diminished, if you really want 
>> to you just download the quartz open source and recompile it with your mods.
>> 
>>> One of the reasons I don't like Opentaps is I have to learn all these 
>>> outside systems besides what is in ofbiz.
>> 
>> That is an example of technology bloat, which is different from what I'm 
>> suggesting here.  OFBiz is going to have a job manager whether it is our 
>> code or someone else's doesn't reduce the need to learn it.  Quartz does 
>> however offer better documentation and learning it has a good chance of 
>> being useful for non-OFBiz projects.
> 
>> 
>>> Seems to me we have a project manager that would fit into this.
>> 
>> You lost me here.
> 
> there is two ways to go
> 1) you can implement the project manager to create Jobs and monitor the 
> progress based on estimated. Once the Job goes out of spec the project 
> manager can show the best way to make a decision on how to get back on track 
> and create the jobs to do that.
> This is part of ERP where Positions are created for HR, through the Work 
> effort.
> Since we have the frame work for production runs this would take less design 
> and integration time in my opinion.
> 
> 2)when Jobs are created they create a Project that can be tracked as in #1.

I think you're misunderstanding what the JobManager and Quartz Scheduler do.  
This discussion is about managing persisted async service calls i.e. low level 
framework stuff.

> 
>> 
>>> as a matter of fact that was my goal years ago, on integrating an GNATT 
>>> project into ofbiz. Problem was it used SWT.
>>> 
>>> =========================
>>> BJ Freeman
>>> Strategic Power Office with Supplier 
>>> Automation<http://www.businessesnetwork.com/automation/viewforum.php?f=52>
>>> Specialtymarket.com<http://www.specialtymarket.com/>
>>> Systems Integrator-- Glad to Assist
>>> 
>>> Chat  Y! messenger: bjfr33man
>>> 
>>> 
>>> Michael Xu (xudong) sent the following on 10/17/2010 6:45 PM:
>>>> hi Scott,
>>>> 
>>>> I don't know much about Quartz. But I really think it is the correct
>>>> direction to migrate home-grown codes to mature third party solution or
>>>> separate mature ofbiz components as standalone framework. As such, we can
>>>> focus on value creation and furthermore it might help attract more
>>>> developers to join.
>>>> 
>>>> --
>>>> Regards,
>>>> Michael Xu (xudong)
>>>> 
>>>> 
>>>> On Mon, Oct 18, 2010 at 5:28 AM, Scott 
>>>> Gray<[email protected]>wrote:
>>>> 
>>>>> Hi All,
>>>>> 
>>>>> I was looking at the Quartz Scheduler project (www.quartz-scheduler.org)
>>>>> over the weekend and it looks like it could be a good fit for OFBiz.  We 
>>>>> ran
>>>>> into some issues with the scheduled service code in OFBiz recently where a
>>>>> heavy server load would cause all sorts of strangeness (multiple 
>>>>> reschedules
>>>>> for a single failed job, inability to purge old jobs before a timeout, 
>>>>> those
>>>>> two combined eventually bringing the server to its knees), and my options
>>>>> are to either find and fix the problem(s) or replace the scheduler with an
>>>>> external solution.
>>>>> 
>>>>> I've only had a brief look but it appears like quartz is pretty extensible
>>>>> and would allow us to continue to support things like temporal expressions
>>>>> (and the deprecated recurrence infos) and could probably increase the 
>>>>> number
>>>>> of scheduling features available to OFBiz.  It's ASL2 licensed and seems 
>>>>> to
>>>>> be pretty mature.
>>>>> 
>>>>> Does anyone have any experience with quartz to share?  Opinions or other
>>>>> possible alternatives would be most welcome.  I'm not looking to implement
>>>>> anything anytime soon but figured we may as well start discussing it.
>>>>> 
>>>>> Thanks
>>>>> Scott
>>>>> 
>>>>> HotWax Media
>>>>> http://www.hotwaxmedia.com
>>>>> 
>>>>> 
>>>> 
>>> 
>> 

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