public virtual void AddSpanQueries(SpanNearClauseFactory sncf)
{
VisitMatchingTerms(
sncf.IndexReader,
sncf.FieldName,
new AddSpanQueriesMatchingTermVisitor(sncf, Weight));
}
public virtual Search.Query GetSpanNearQuery(
IndexReader reader,
string fieldName,
float boost,
BasicQueryFactory qf)
{
SpanQuery[] spanClauses = new SpanQuery[NrSubQueries];
var sqi = GetSubQueriesEnumerator();
int qi = 0;
while (sqi.MoveNext())
{
SpanNearClauseFactory sncf = new SpanNearClauseFactory(reader, fieldName, qf);
((IDistanceSubQuery)sqi.Current).AddSpanQueries(sncf);
if (sncf.Count == 0)
{ /* distance operator requires all sub queries */
while (sqi.MoveNext())
{ /* produce evt. error messages but ignore results */
((IDistanceSubQuery)sqi.Current).AddSpanQueries(sncf);
sncf.Clear();
}
return(SrndQuery.TheEmptyLcnQuery);
}
spanClauses[qi] = sncf.MakeSpanClause();
qi++;
}
SpanNearQuery r = new SpanNearQuery(spanClauses, OpDistance - 1, QueriesOrdered);
r.Boost = boost;
return(r);
}
public virtual void AddSpanQueries(SpanNearClauseFactory sncf)
{
Search.Query snq = GetSpanNearQuery(sncf.IndexReader,
sncf.FieldName,
Weight,
sncf.BasicQueryFactory);
sncf.AddSpanQuery(snq);
}
public virtual void AddSpanQueries(SpanNearClauseFactory sncf)
{
var sqi = GetSubQueriesEnumerator();
while (sqi.MoveNext())
{
((IDistanceSubQuery)sqi.Current).AddSpanQueries(sncf);
}
}
public AddSpanQueriesMatchingTermVisitor(SpanNearClauseFactory sncf, float weight)
{
this.sncf = sncf;
this.weight = weight;
}