public Result Search (string term, int count, int start) {
try {
term = term.ToLower ();
Term htTerm = new Term ("hottext", term);
Query qq1 = new FuzzyQuery (htTerm);
Query qq2 = new TermQuery (htTerm);
qq2.SetBoost (10f);
Query qq3 = new PrefixQuery (htTerm);
qq3.SetBoost (10f);
DisjunctionMaxQuery q1 = new DisjunctionMaxQuery (0f);
q1.Add (qq1);
q1.Add (qq2);
q1.Add (qq3);
Query q2 = new TermQuery (new Term ("text", term));
q2.SetBoost (3f);
Query q3 = new TermQuery (new Term ("examples", term));
q3.SetBoost (3f);
DisjunctionMaxQuery q = new DisjunctionMaxQuery (0f);
q.Add (q1);
q.Add (q2);
q.Add (q3);
TopDocs top = SearchInternal (q, count, start);
Result r = new Result (term, searcher, top.ScoreDocs);
Results.Add (r);
return r;
} catch (IOException) {
Console.WriteLine ("No index in {0}", dir);
return null;
}
}
protected internal System.Collections.ArrayList weights = new System.Collections.ArrayList(); // The Weight's for our subqueries, in 1-1 correspondence with disjuncts
/* Construct the Weight for this Query searched by searcher. Recursively construct subquery weights. */
public DisjunctionMaxWeight(DisjunctionMaxQuery enclosingInstance, Searcher searcher)
{
InitBlock(enclosingInstance);
this.similarity = searcher.GetSimilarity();
for (System.Collections.IEnumerator iter = Enclosing_Instance.disjuncts.GetEnumerator(); iter.MoveNext(); )
{
weights.Add(((Query) iter.Current).CreateWeight(searcher));
}
}
private void InitBlock(DisjunctionMaxQuery enclosingInstance)
{
this.enclosingInstance = enclosingInstance;
}
public Result FastSearch (string term, int number)
{
try {
term = term.ToLower ();
Query q1 = new TermQuery (new Term ("hottext", term));
Query q2 = new PrefixQuery (new Term ("hottext", term));
q2.SetBoost (0.5f);
DisjunctionMaxQuery q = new DisjunctionMaxQuery (0f);
q.Add (q1);
q.Add (q2);
TopDocs top = searcher.Search (q, number);
return new Result (term, searcher, top.ScoreDocs);
} catch (IOException) {
Console.WriteLine ("No index in {0}", dir);
return null;
}
}
private void InitBlock(DisjunctionMaxQuery enclosingInstance)
{
this.enclosingInstance = enclosingInstance;
}
