public override Query Rewrite(Monodoc.Lucene.Net.Index.IndexReader reader)
{
BooleanQuery query = new BooleanQuery();
TermEnum enumerator = reader.Terms(prefix);
try
{
System.String prefixText = prefix.Text();
System.String prefixField = prefix.Field();
do
{
Term term = enumerator.Term();
if (term != null && term.Text().StartsWith(prefixText) && (System.Object) term.Field() == (System.Object) prefixField)
{
TermQuery tq = new TermQuery(term); // found a match
tq.SetBoost(GetBoost()); // set the boost
query.Add(tq, false, false); // add to query
//System.out.println("added " + term);
}
else
{
break;
}
}
while (enumerator.Next());
}
finally
{
enumerator.Close();
}
return query;
}
public override Query Rewrite(Monodoc.Lucene.Net.Index.IndexReader reader)
{
FilteredTermEnum enumerator = GetEnum(reader);
BooleanQuery query = new BooleanQuery();
try
{
do
{
Term t = enumerator.Term();
if (t != null)
{
TermQuery tq = new TermQuery(t); // found a match
tq.SetBoost(GetBoost() * enumerator.Difference()); // set the boost
query.Add(tq, false, false); // add to query
}
}
while (enumerator.Next());
}
finally
{
enumerator.Close();
}
return query;
}
public TermWeight(TermQuery enclosingInstance, Searcher searcher)
{
InitBlock(enclosingInstance);
this.searcher = searcher;
}
private void InitBlock(TermQuery enclosingInstance)
{
this.enclosingInstance = enclosingInstance;
}
protected internal override Weight CreateWeight(Searcher searcher)
{
if (terms.Count == 1)
{
// optimize one-term case
Term term = (Term) terms[0];
Query termQuery = new TermQuery(term);
termQuery.SetBoost(GetBoost());
return termQuery.CreateWeight(searcher);
}
return new PhraseWeight(this, searcher);
}
/// <summary> FIXME: Describe <code>rewrite</code> method here.
///
/// </summary>
/// <param name="reader">an <code>Monodoc.Lucene.Net.Index.IndexReader</code> value
/// </param>
/// <returns> a <code>Query</code> value
/// </returns>
/// <exception cref=""> IOException if an error occurs
/// </exception>
public override Query Rewrite(Monodoc.Lucene.Net.Index.IndexReader reader)
{
BooleanQuery query = new BooleanQuery();
TermEnum enumerator = reader.Terms(lowerTerm);
try
{
bool checkLower = false;
if (!inclusive)
// make adjustments to set to exclusive
checkLower = true;
System.String testField = GetField();
do
{
Term term = enumerator.Term();
if (term != null && (System.Object) term.Field() == (System.Object) testField)
{
if (!checkLower || String.CompareOrdinal(term.Text(), lowerTerm.Text()) > 0)
{
checkLower = false;
if (upperTerm != null)
{
int compare = String.CompareOrdinal(upperTerm.Text(), term.Text());
/* if beyond the upper term, or is exclusive and
* this is equal to the upper term, break out */
if ((compare < 0) || (!inclusive && compare == 0))
break;
}
TermQuery tq = new TermQuery(term); // found a match
tq.SetBoost(GetBoost()); // set the boost
query.Add(tq, false, false); // add to query
}
}
else
{
break;
}
}
while (enumerator.Next());
}
finally
{
enumerator.Close();
}
return query;
}
