Hi James,

> Certainly there seems to be similarity between parsing on demand and
> loading
> on demand from some source such as a database. So there could be some
> common
> implementation code and techniques between:-
> 
> * a lazy element used with (say) the XML Pull Parser to only parse as much
> of the document as required, particularly useful in SOAP and XML messaging
> where looking at the headers may well be enough.

You mentioned that the current Pull Parser is a little slow. I think its
performance could be reaised if Boyer-Moore Algorithm for String Search is use.
What do you think?

> 
> * persitent Element that loads its content on demand from a data source,
> useful when working with persistent XML models.
> 
> * XLink or XInclude element implementations that load their content on
> demand.

Both sounds cool. Let me view castor and I inform you if it would be a good
platform for dom4j longterm persistence. Wouldn't  a mapping form XML Query
to OQL (supported by JDO) not also interesting?

Regards

Toby

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