[Building Sakai] Events

[Adrian Fish]

I've not got that method in my trunk docs. I think I need to update them :(

Many thanks,

Adrian.

Steve Swinsburg wrote:
> Ah, I didn't even see that constructor:
>
>
>       newEvent
>
> Event <file:///Users/steve/dev/javadocs/sakai-kernel-api-1.0.14-SNAPSHOT-javadoc/org/sakaiproject/event/api/Event.html> *newEvent*(String <http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html> event,
>                String <http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html> resource,
>                String <http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html> context,
>                boolean modify,
>                int priority)
>
>     Construct a Event object.
>
>     *Parameters:*
>         |event| - The Event id.
>         |resource| - The resource reference.
>         |context| - The Event's context (may be null).
>         |modify| - Set to true if this event caused a resource
>         modification, false if it was just an access.
>         |priority| - The Event's notification priority. Use
>         NotificationService.NOTI_OPTIONAL as default.
>     *Returns:*
>         A new Event object that can be used with this service.
>
>
> cheers,
> Steve
>
>
>
> On 25/02/2010, at 4:35 PM, Stephen Marquard wrote:
>
>> In 2.6+, you can explicitly pass the context when posting the event.
>>
>> Regards
>> Stephen
>>
>>>>> Steve Swinsburg <steve.swinsburg at gmail.com 
>>>>> <mailto:steve.swinsburg at gmail.com>> 2/25/2010 1:12 AM >>>
>> Hi Adrian,
>>
>> It looks like it's set in BaseEvent which implements Event:
>>
>> kernel-impl/src/main/java/org/sakaiproject/event/impl/BaseEventTrackingService.java
>>
>> // Find the context using the reference (let the service that it 
>> belongs to parse it)
>> if (resource != null && !"".equals(resource)) {
>> Reference ref = entityManager().newReference(resource);
>> if (ref != null) {
>> m_context = ref.getContext();
>> }
>> }
>>
>> // If we still need to find the context, try the tool placement
>> if (m_context == null) {
>> Placement placement = toolManager().getCurrentPlacement();
>> if (placement != null) {
>> m_context = placement.getContext();
>> }
>> }
>>
>>
>> So the context comes from either the entity reference or from the 
>> tool placement. I'll take a stab and assume you are working on events 
>> for the system wide chat? You probably don't have either so its null 
>> and SiteStats can't determine where they came from. Might need to 
>> extend Event to take a context parameter in its constructor, or run a 
>> regular quartz job over it to fix all of the null context events (any 
>> from <2.5 will be null also) so they can be collected in SiteStats.
>>
>> cheers,
>> Steve
>>
>>
>>
>> On 25/02/2010, at 4:09 AM, Adrian Fish wrote:
>>
>>> I'm hoping someone can shed some light on a little problem I'm 
>>> having. The events generated by my tool (snigger) are getting 
>>> rejected by site stats due to Event.getContext returning null.
>>>
>>> Does anybody know how the EventTrackingService populates the context 
>>> field in the Events that it creates?
>>>
>>> Cheers,
>>>
>>> Adrian.
>>>
>>> -- 
>>> ==================================
>>> Adrian Fish
>>> Software Engineer
>>> Centre for e-Science
>>> Bowland Tower South C Floor
>>> Lancaster University
>>> Lancaster
>>> LA1 4YW
>>> email: a.fish at lancaster.ac.uk <mailto:a.fish at lancaster.ac.uk>
>>>
>>> http://confluence.sakaiproject.org/display/YAFT/Yaft
>>> http://confluence.sakaiproject.org/display/BLOG/Home
>>> http://confluence.sakaiproject.org/display/AGORA/Home
>>>
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>>
>>
>

-- 
==================================
Adrian Fish
Software Engineer
Centre for e-Science
Bowland Tower South C Floor
Lancaster University
Lancaster
LA1 4YW
email: a.fish at lancaster.ac.uk

http://confluence.sakaiproject.org/display/YAFT/Yaft
http://confluence.sakaiproject.org/display/BLOG/Home
http://confluence.sakaiproject.org/display/AGORA/Home

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