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From "Daniel Florey" <daniel.flo...@web.de>
Subject Re: Order of events question
Date Mon, 15 Nov 2004 14:34:44 GMT
jackrabbit-dev@incubator.apache.org schrieb am 15.11.04 15:21:35:
> 
> > I've implemented the event framework that is used in Slide. All 
> > event that occur inside a single transaction remain their order and 
> > this is very userful:
> > If you for example add a resource and delete the same resource 
> > afterwards, an event filer can be used to sort out double events. 
> > This is extremly useful if you want to update a search index 
> > after (or before) transaction commit. As this is time consuming, 
> > event optimization is very, very useful. This can only be 
> > achieved, when the event order is preserved.
> well, that's exactly what i meant by "reverting an 
> operation" in my last post, by "WHAT" not "HOW".
> if you create and then afterwards delete an item
> in transient space, it is a null operation, therefore
> in jackrabbit you will not even get the event.
> the transient space allows the repository to take care
> of the event optimization.
> 

You can have a look at the event package in Slide. There you'll find a package.html that gives
a brief overview how this works.
Maybe this is of interest for you.

Cheers,
Daniel

> regards,
> david
> ----------------------------------------------------------------------
> standardize your content-repository !
>                                http://www.jcp.org/en/jsr/detail?id=170
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