private DocIdSetIterator GetDISI(Filter filter, AtomicReaderContext context)
{
// we dont pass acceptDocs, we will filter at the end using an additional filter
DocIdSet docIdSet = filter.GetDocIdSet(context, null);
if (docIdSet == null)
{
return(DocIdSetIterator.Empty());
}
else
{
DocIdSetIterator iter = docIdSet.GetIterator();
if (iter == null)
{
return(DocIdSetIterator.Empty());
}
else
{
return(iter);
}
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: private void doChain(org.apache.lucene.util.FixedBitSet result, int logic, org.apache.lucene.search.DocIdSet dis) throws java.io.IOException
private void doChain(FixedBitSet result, int logic, DocIdSet dis)
{
if (dis is FixedBitSet)
{
// optimized case for FixedBitSets
switch (logic)
{
case OR:
result.Or((FixedBitSet)dis);
break;
case AND:
result.And((FixedBitSet)dis);
break;
case ANDNOT:
result.AndNot((FixedBitSet)dis);
break;
case XOR:
result.Xor((FixedBitSet)dis);
break;
default:
doChain(result, DEFAULT, dis);
break;
}
}
else
{
DocIdSetIterator disi;
if (dis == null)
{
disi = DocIdSetIterator.Empty();
}
else
{
disi = dis.GetIterator() ?? DocIdSetIterator.Empty();
}
switch (logic)
{
case OR:
result.Or(disi);
break;
case AND:
result.And(disi);
break;
case ANDNOT:
result.AndNot(disi);
break;
case XOR:
result.Xor(disi);
break;
default:
doChain(result, DEFAULT, dis);
break;
}
}
}