Re: [Nutch-dev] Missing functionality for Carrot2 adapter to Nutch.

[Doug Cutting]

As I mentioned in a previous email, I think that a better way to do this 
is to not add new methods for each new format, but rather add a 
parameter that indicates what sort of summary is required, then plugin 
different implementations on the backend that can switch on this 
parameter.  Concretely, I proposed that we add a method

   HitDetails#add(String field, String value);

Then, if you want a non-default summary for your configuration, you can 
do something like:

    Hits hits = bean.search(query, 10);
    int length = (int)Math.min(hits.getTotal(), 10);
    Hit[] show = hits.getHits(0, length);
    HitDetails[] details = bean.getDetails(show);
    for (int i = 0; i < hits.getLength(); i++) {
       details[i].add("my.summary.type", "xml");
    }
    String[] summaries = bean.getSummary(details, query);
Does that make sense?

Doug

Stefan Groschupf wrote:
A longer term fix might be to add an option to construct summaries 
directly as plain text.  This might be done as follows:
  - replace Summary.toString() with both toText() and toHtml() methods;

What's about Summery.getXML()?

I already looked in the NutchBean and JSP to separate content from 
design to fit Franks needs for a search result XML.

Stefan



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