Hi Xavier,
first of all thank you for the effort you've done for the push-project. Up
to now it really provided the features I need for my app. But now I'm kind
of stuck. My problem is: I have two panels on one page. Both panel subscribe
themselves as ChannelListener for the same channel. But unfortunately
whenever an event invoking the listeners occurred, the onEvent method gets
executed twice on both listeners (i.e. four times). It occurrs only if you
have two panels i.e. two listeners on the same page.
IMO the error is somewhere in the javascript where a function gets executed
twice...but I haven't found it so far. So do you have any clue?
thanks
Michael
Xavier Hanin wrote:
>
> On 10/23/07, Michael Sparer <[EMAIL PROTECTED]> wrote:
>>
>>
>> Hi Xavier,
>>
>> thanks for your reply - well yes, that's certainly right. I've just lost
>> sight of it. But I got another question: how stable is the
>> wicketstuff-push
>> project or what sections are stable and which have to be improved for use
>> in
>> a professional webapp?
>
>
> AFAIK wicketstuff-push is developed by vincent demay and myself. Vincent
> worked on the cometd channel implementation, and I've worked mostly on the
> timer based IPushService implementation (where events do not come from the
> client at all). I don't know how stable is the channel implementation
> since
> I don't use it myself, maybe Vincent could give more details (not sure if
> it's used in production or not). For the IPushService implementation, it
> still requires more testing and improvements, because the problem is not
> easy to solve with a timer based polling implementation: we have to detect
> clients disconnection, and also handle back button where pages go back to
> life from the a serialized form. And we also need to work on a comet based
> implementation of this push service. So I think there's still need for
> improvement and bug fixing in this section.
>
> BTW, I've just checked in an improvement about this problem of page
> deserialization which required an API change for the IPushService. If you
> plan to use it, do not forget to do an svn update.
>
> Xavier
>
> thanks in advance
>>
>> Michael
>>
>> Xavier Hanin wrote:
>> >
>> > On 10/22/07, Michael Sparer <[EMAIL PROTECTED]> wrote:
>> >>
>> >>
>> >> Hi,
>> >>
>> >> today I wondered if there's a wicket-approach for pushing messages
>> from
>> >> the
>> >> server to the client (also called reverse ajax or pushlets). Well yes,
>> >> there
>> >> is one called wicketstuff push. I looked at its examples and soon
>> managed
>> >> to
>> >> implement my own pushing stuff. In the examples (chat-example)
>> however,
>> >> the
>> >> ChannelService that delivers the messages to its listeners, is stored
>> in
>> >> the
>> >> application. I.e. there is only one channel for the whole application.
>> >> Now imagine I want to create an additional private-chat-room for two
>> >> users
>> >> --> I'd need a ChannelService only for two users. So my question is:
>> >> what's
>> >> the wicket way to pass and store such an object which is applicable
>> only
>> >> for
>> >> two users (sessions)?
>> >
>> >
>> > You can use an application wide ChannelService and use the channel name
>> > ("chat/message" in the example) to isolate messages by
>> private-chat-room.
>> >
>> > Xavier
>> >
>> > Thanks in advance
>> >>
>> >> Michael
>> >>
>> >> --
>> >> View this message in context:
>> >>
>> http://www.nabble.com/wicketstuff-push-and-sharing-an-IChannelService-tf4671463.html#a13345278
>> >> Sent from the Wicket - User mailing list archive at Nabble.com.
>> >>
>> >>
>> >> ---------------------------------------------------------------------
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>> >>
>> >
>> >
>> > --
>> > Xavier Hanin - Independent Java Consultant
>> > http://xhab.blogspot.com/
>> > http://ant.apache.org/ivy/
>> > http://www.xoocode.org/
>> >
>> >
>>
>> --
>> View this message in context:
>> http://www.nabble.com/wicketstuff-push-and-sharing-an-IChannelService-tf4671463.html#a13358479
>> Sent from the Wicket - User mailing list archive at Nabble.com.
>>
>>
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>>
>
>
> --
> Xavier Hanin - Independent Java Consultant
> http://xhab.blogspot.com/
> http://ant.apache.org/ivy/
> http://www.xoocode.org/
>
>
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