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| Re: [Teneo / CDO] how db notifications are listened to ? [message #425735 is a reply to message #425734] |
Fri, 05 December 2008 17:12   |
 Martin Taal
Messages: 5468
Registered: July 2009 |
Senior Member |
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Hi Stéphane,
Hibernate has event listeners and an Interceptor concept which allow you to do this. Regarding
detailed CDO questions I think Eike/Simon can better answer those.
gr. Martin
Stéphane Fournier wrote:
> Hi,
>
> I'm wondering how to listen to database notifications when using Teneo
> (for instance to implement a lock server).
> I did not find db notification listeners in the Teneo API, I might need
> to visit an ophthalmologist :)
> Nevertheless, when using CDO with Teneo, a CDO server is always notified
> from changes made by every user. Hence, that lets me think an API exists !
>
> Does anyone have an entry point to help me to get started with this ?
>
> Thanks in advance,
> Stephane.
>
--
With Regards, Martin Taal
Springsite/Elver.org
Office: Hardwareweg 4, 3821 BV Amersfoort
Postal: Nassaulaan 7, 3941 EC Doorn
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Mail: mtaal@springsite.com - mtaal@elver.org
Web: www.springsite.com - www.elver.org
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| Re: [Teneo / CDO] how db notifications are listened to ? [message #425737 is a reply to message #425735] |
Fri, 05 December 2008 17:48 |
Simon Mc Duff
Messages: 596
Registered: July 2009 |
Senior Member |
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Hi Stephane,
CDO has its own way of notification independently of Teneo. It doesn't
need anything from teneo/hibernate. So if end-users are connected
through CDO and another applications modify objects directly in
hibernate, CDO users will not be notified.
Here the different possibility to listen to change in CDO.
http://wiki.eclipse.org/FAQ_for_CDO_and_Net4j#How_can_I_reac t_to_remote_changes_to_my_objects.3F
Simon
Martin Taal wrote:
> Hi Stéphane,
> Hibernate has event listeners and an Interceptor concept which allow you
> to do this. Regarding detailed CDO questions I think Eike/Simon can
> better answer those.
>
> gr. Martin
>
> Stéphane Fournier wrote:
>> Hi,
>>
>> I'm wondering how to listen to database notifications when using Teneo
>> (for instance to implement a lock server).
>> I did not find db notification listeners in the Teneo API, I might
>> need to visit an ophthalmologist :)
>> Nevertheless, when using CDO with Teneo, a CDO server is always
>> notified from changes made by every user. Hence, that lets me think an
>> API exists !
>>
>> Does anyone have an entry point to help me to get started with this ?
>>
>> Thanks in advance,
>> Stephane.
>>
>
>
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| Re: [Teneo / CDO] how db notifications are listened to ? [message #425743 is a reply to message #425737] |
Fri, 05 December 2008 19:18 |
Stephane fournier
Messages: 340
Registered: July 2009 |
Senior Member |
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|
Thanks a lot guys for your quick answers.
I will be testing that on next Monday.
Stéphane.
Simon McDuff wrote:
> Hi Stephane,
>
> CDO has its own way of notification independently of Teneo. It doesn't
> need anything from teneo/hibernate. So if end-users are connected
> through CDO and another applications modify objects directly in
> hibernate, CDO users will not be notified.
>
> Here the different possibility to listen to change in CDO.
>
> http://wiki.eclipse.org/FAQ_for_CDO_and_Net4j#How_can_I_reac t_to_remote_changes_to_my_objects.3F
>
>
>
> Simon
>
> Martin Taal wrote:
>> Hi Stéphane,
>> Hibernate has event listeners and an Interceptor concept which allow
>> you to do this. Regarding detailed CDO questions I think Eike/Simon
>> can better answer those.
>>
>> gr. Martin
>>
>> Stéphane Fournier wrote:
>>> Hi,
>>>
>>> I'm wondering how to listen to database notifications when using
>>> Teneo (for instance to implement a lock server).
>>> I did not find db notification listeners in the Teneo API, I might
>>> need to visit an ophthalmologist :)
>>> Nevertheless, when using CDO with Teneo, a CDO server is always
>>> notified from changes made by every user. Hence, that lets me think
>>> an API exists !
>>>
>>> Does anyone have an entry point to help me to get started with this ?
>>>
>>> Thanks in advance,
>>> Stephane.
>>>
>>
>>
--
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