[magnolia-user] alternative JCR implementations

[joshua portway]

Having just spent the day bashing my head against a wall trying to  
work out how to implement  "next page" and "previous page" links on a  
site I'm wondering if anyone has tried using alternative JSR  
implementations to Jackrabbit.
From what I can tell after several hours of irritation Jackrabbit  
doesn't seem to implement any kind of positional axes in its XPath  
implementation (ie. I can't use following-sibling or even the "parent"  
axis!). I've tried several possible workarounds and the only way I can  
think of to implement this is to literally iterate through ever y  
child of the parent of the current page in order to find the next and  
previous pages - which seems insanely inefficient. Hopefully I'm just  
misunderstanding something and if anyone can help me out with advice  
I'd be very grateful -
Otherwise I've been considering trying to swap out the JCR  
implementation for something else - has anyone tried the Exo platform  
JCR for instance (I could only find references from several years ago  
in the mailing list archives) ?

Josh
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