Re: [xmlblaster] Quick question

["Maurice Finbarr O'Brien" <felvis at yahoo.com>]

Hi Marcel,
The first case that you mentioned is exactly what i
would require,this is not necessary at the moment as
it is only a cosmetic issue and i have to put any
further development of my system on hold, my project
is due in a few days time however i may continue
development of it when i do finish college.
As for the PtP callback issue, i simply used a number
of if statements in the update() method for the
Callback implementation that i supplied with the
initial login() to XMLBlaster,not exactly rocket
science, it gets what i want done but is probably not
suitable for others.
Thanks for your response, perhaps someday i might be
able to contribute something worthwhile to the
XMLBlaster project.
Regards,

Finbarr O'Brien

--- Marcel Ruff <ruff at swand.lake.de> wrote:
> Currently there is no such QoS, adding a QoS to
> supress
> an update of an existing message on subscribe would
> be
> easy.
> 
> But i believe you want to supress the update only
> in this case where you have received the message
> already.
> If you subscribe and the current message was never
> delivered
> to the client, than i guess you want to have it.
> 
> This scenario is a bit more complex since the server
> would need to remember what has been delivered
> some decades ago to some arbitrary client.
> The coming durable subscription will address and
> resolve
> this issue.
> 
> Filtering with the timestamp is possible as the
> timestamp is a unique identifier of each message
> instance,
> there will NEVER be the same timestamp in one
> xmlBlaster
> server instance.
> Even when using xmlBlaster clusters the timestamp is
> unique
> if you define exactly one master node.
> 
> What is exactly your need?
> 
> regards,
> 
> Marcel
> 
> 
> PS: How have you solved your PtP callback channel
> question?
> 
> 
> -- 
> Marcel Ruff
> mailto:ruff at swand.lake.de
> http://www.lake.de/home/lake/swand/
> http://www.xmlBlaster.org
> 


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