16 Jan
2010
16 Jan
'10
6:56 a.m.
I am not sure how a view counter would work (using ObservationManager)
but can show you a piece of code which updates the search index every time a
document is changed.
http://svn.xwiki.org/svnroot/xwiki/platform/xwiki-plugins/trunk/lucene/src/…
Search for the method that starts with:
public void onEvent(Event event, Object source, Object data)
You can see whenever a document is changed or saved, this method is called by the
ObservationManager and the index is updated.
To get your EventListener to work you have to implement EventListener and you
have to register your EventListener with ObservationManager.
The irc bot which is written entirely in Groovy but it contains a class which
implements EventListener (IRCEventListener) and it has a section which registers
IRCEventListener with ObservationManager using this:
def listener = new IRCEventListener(bot, xwiki, xcontext)
observation.addListener(listener)
Best of luck,
Caleb James DeLisle
J. Allen Santos wrote:
Hi
Sorry, I'm having a hard time understanding how to do it. May I request for a sample
program/code for the remote observation module? Say for example, whenever a user views, a
view counter increments.
ThanksAllen
From: vincent(a)massol.net
Date: Mon, 11 Jan 2010 11:54:56 +0100
To: users(a)xwiki.org
Subject: Re: [xwiki-users] Observer
Hi,
On Jan 11, 2010, at 11:48 AM, J. Allen Santos wrote:
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What we want to do is to create an application
that we could use to connect to an XWiki Server to do certain actions whenever a user
creates/modifies/updates a document in the Wiki. Is it possible to create such an
application that wouldn't require us to include code snippets in the wiki
pages/documents as stated in
http://dev.xwiki.org/xwiki/bin/view/Drafts/GroovyNotifications, or even modify a module
used by XWiki? We want it to be portable so that it can be used by any other XWiki Servers
with very minimal, or better yet, no configurations.
So I assume you're coding
from Java. Yes it's possible. Everything in XWiki is coded in Java. The tutorial shows
how to write java code in a groovy page but you don't have to use groovy for that! :)
Here's the doc:
http://code.xwiki.org/xwiki/bin/view/Modules/ObservationModule
However I see that Thomas has "forgotten" to write a quick example on
http://code.xwiki.org/xwiki/bin/view/Modules/LocalObservationModule
As you can see you have 2 options:
- in-JVM
- as distributed events
You can also look at the source code:
http://svn.xwiki.org/svnroot/xwiki/platform/core/trunk/xwiki-observation/
Hope it helps,
-Vincent
> From: vincent(a)massol.net
> Date: Mon, 11 Jan 2010 09:05:13 +0100
> To: users(a)xwiki.org
> Subject: Re: [xwiki-users] Observer
>
>
> On Jan 11, 2010, at 5:01 AM, J. Allen Santos wrote:
>
>> How do I create an observer without adding a groovy code within a page?I saw this
document: http://dev.xwiki.org/xwiki/bin/view/Drafts/GroovyNotifications but it requires
code to be added within a page.
> You mean how to do it from java?
>
> What do you want to achieve?
>
> Thanks
> -Vincent
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