public override void VisitMatchingTerms(IndexReader reader, string fieldName, IMatchingTermVisitor mtv)
{
/* check term presence in index here for symmetry with other SimpleTerm's */
Terms terms = MultiFields.GetTerms(reader, fieldName);
if (terms != null)
{
TermsEnum termsEnum = terms.Iterator(null);
TermsEnum.SeekStatus status = termsEnum.SeekCeil(new BytesRef(TermText));
if (status == TermsEnum.SeekStatus.FOUND)
{
mtv.VisitMatchingTerm(GetLuceneTerm(fieldName));
}
}
}
public override void VisitMatchingTerms(IndexReader reader, string fieldName, IMatchingTermVisitor mtv)
{
/* inspired by PrefixQuery.rewrite(): */
Terms terms = MultiFields.GetTerms(reader, fieldName);
if (terms != null)
{
TermsEnum termsEnum = terms.Iterator(null);
bool skip = false;
TermsEnum.SeekStatus status = termsEnum.SeekCeil(new BytesRef(Prefix));
if (status == TermsEnum.SeekStatus.FOUND)
{
mtv.VisitMatchingTerm(GetLucenePrefixTerm(fieldName));
}
else if (status == TermsEnum.SeekStatus.NOT_FOUND)
{
if (StringHelper.StartsWith(termsEnum.Term(), prefixRef))
{
mtv.VisitMatchingTerm(new Term(fieldName, termsEnum.Term().Utf8ToString()));
}
else
{
skip = true;
}
}
else
{
// EOF
skip = true;
}
if (!skip)
{
while (true)
{
BytesRef text = termsEnum.Next();
if (text != null && StringHelper.StartsWith(text, prefixRef))
{
mtv.VisitMatchingTerm(new Term(fieldName, text.Utf8ToString()));
}
else
{
break;
}
}
}
}
}
public override void VisitMatchingTerms(IndexReader reader, string fieldName, IMatchingTermVisitor mtv)
{
/* check term presence in index here for symmetry with other SimpleTerm's */
Terms terms = MultiFields.GetTerms(reader, fieldName);
if (terms != null)
{
TermsEnum termsEnum = terms.GetEnumerator();
TermsEnum.SeekStatus status = termsEnum.SeekCeil(new BytesRef(TermText));
if (status == TermsEnum.SeekStatus.FOUND)
{
mtv.VisitMatchingTerm(GetLuceneTerm(fieldName));
}
}
}
public override void VisitMatchingTerms(IndexReader reader, string fieldName, IMatchingTermVisitor mtv)
{
/* inspired by PrefixQuery.rewrite(): */
Terms terms = MultiFields.GetTerms(reader, fieldName);
if (terms != null)
{
TermsEnum termsEnum = terms.GetIterator(null);
bool skip = false;
TermsEnum.SeekStatus status = termsEnum.SeekCeil(new BytesRef(Prefix));
if (status == TermsEnum.SeekStatus.FOUND)
{
mtv.VisitMatchingTerm(GetLucenePrefixTerm(fieldName));
}
else if (status == TermsEnum.SeekStatus.NOT_FOUND)
{
if (StringHelper.StartsWith(termsEnum.Term, prefixRef))
{
mtv.VisitMatchingTerm(new Term(fieldName, termsEnum.Term.Utf8ToString()));
}
else
{
skip = true;
}
}
else
{
// EOF
skip = true;
}
if (!skip)
{
while (true)
{
BytesRef text = termsEnum.Next();
if (text != null && StringHelper.StartsWith(text, prefixRef))
{
mtv.VisitMatchingTerm(new Term(fieldName, text.Utf8ToString()));
}
else
{
break;
}
}
}
}
}
public abstract void VisitMatchingTerms(
IndexReader reader,
string fieldName,
IMatchingTermVisitor mtv);