private int CountTerms(MultiTermQuery q)
{
Terms terms = MultiFields.GetTerms(Reader, q.Field);
if (terms == null)
{
return(0);
}
TermsEnum termEnum = q.GetTermsEnum(terms);
Assert.IsNotNull(termEnum);
int count = 0;
BytesRef cur, last = null;
while ((cur = termEnum.Next()) != null)
{
count++;
if (last != null)
{
Assert.IsTrue(last.CompareTo(cur) < 0);
}
last = BytesRef.DeepCopyOf(cur);
}
// LUCENE-3314: the results after next() already returned null are undefined,
// Assert.IsNull(termEnum.Next());
return(count);
}
/// <summary>
/// Returns the <see cref="MultiTermQuery"/>s <see cref="TermsEnum"/> </summary>
/// <seealso cref="MultiTermQuery.GetTermsEnum(Terms, AttributeSource)"/>
protected virtual TermsEnum GetTermsEnum(MultiTermQuery query, Terms terms, AttributeSource atts)
{
return(query.GetTermsEnum(terms, atts)); // allow RewriteMethod subclasses to pull a TermsEnum from the MTQ
}
private int CountTerms(MultiTermQuery q)
{
Terms terms = MultiFields.GetTerms(Reader, q.Field);
if (terms == null)
{
return 0;
}
TermsEnum termEnum = q.GetTermsEnum(terms);
Assert.IsNotNull(termEnum);
int count = 0;
BytesRef cur, last = null;
while ((cur = termEnum.Next()) != null)
{
count++;
if (last != null)
{
Assert.IsTrue(last.CompareTo(cur) < 0);
}
last = BytesRef.DeepCopyOf(cur);
}
// LUCENE-3314: the results after next() already returned null are undefined,
// Assert.IsNull(termEnum.Next());
return count;
}