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- From: Leigh Dodds <ldodds@ingenta.com>
- To: xml-dev <xml-dev@ic.ac.uk>
- Date: Fri, 17 Dec 1999 09:50:27 -0000
> Actually, I would have preferred to have a small set of
> query mechanism independent API in the DOM API.
You're right it would make sense to have it separate to
the DOM.
> Here is a string-based version:
>
> interface DocumentQuery {
> NodeIterator getQueryResult(String query);
> }
>
> where query is prefixed with query type information such
> as "xpath:" or "xsql:". API for plugging in new query
> engine is needed to support new query types.
Hmm, I'd suggest:
interface QueryFactory {
DocumentQuery getDocumentQuery(String queryType);
}
And have the query type, "xpath" or "xsql" passed in to the
factory method. Solves the plugging in of new query types, and
avoids having to prepend the query string with "xpath:" or whatever.
L.
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