Geting exact term positions for each document inside a collectmethod...

[Jim Hargrave]

I've defined my own collector (I want the raw score before it is normalized between 
1.0 and 0.0). For each document I need to know the the matching term positions in the 
document.  I've seen the methods in IndexReader, but how can I access them inside my 
collect method? Are there other methods I am missing? 
 
        
        Term a = new Term("field", "a");
        Term b = new Term("field", "b");
        Term c = new Term("field", "c");        
        
        class MyCollector extends HitCollector
        {
            public final void collect(int doc, float score)
            {
               // need to know all matching term positions for 'doc'.
              // build a bit vector marking the position of each matched term.
            }
        }
        
        BooleanQuery bq = new BooleanQuery();
        bq.add(new TermQuery(a), false, false);
        bq.add(new TermQuery(b), false, false);
        bq.add(new TermQuery(c), false, false);
        
        HitCollector col = new MyCollector();
        
       searcher.search(bq, col);        
       Hits hits = searcher.search(bq);              


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