| public Flip ( int startIndex, int endIndex ) : void | ||
| startIndex | int | lower index |
| endIndex | int | one-past the last bit to flip |
| return | void | |
/// <summary>
/// Note: The neededBounds Iterable must be unsigned (easier understanding what's happening) </summary>
private void AssertIntRangeSplit(int lower, int upper, int precisionStep, bool useBitSet, IEnumerable <int> expectedBounds, IEnumerable <int> expectedShifts)
{
FixedBitSet bits = useBitSet ? new FixedBitSet(upper - lower + 1) : null;
IEnumerator <int> neededBounds = (expectedBounds is null) ? null : expectedBounds.GetEnumerator();
IEnumerator <int> neededShifts = (expectedShifts is null) ? null : expectedShifts.GetEnumerator();
NumericUtils.SplitInt32Range(new IntRangeBuilderAnonymousClass(lower, upper, useBitSet, bits, neededBounds, neededShifts), precisionStep, lower, upper);
if (useBitSet)
{
// after flipping all bits in the range, the cardinality should be zero
bits.Flip(0, upper - lower + 1);
Assert.AreEqual(0, bits.Cardinality, "The sub-range concenated should match the whole range");
}
}
private FixedBitSet InitialResult(AtomicReaderContext context, int logic, int[] index)
{
AtomicReader reader = context.AtomicReader;
FixedBitSet result = new FixedBitSet(reader.MaxDoc);
if (logic == AND)
{
result.Or(GetDISI(chain[index[0]], context));
++index[0];
}
else if (logic == ANDNOT)
{
result.Or(GetDISI(chain[index[0]], context));
result.Flip(0, reader.MaxDoc); // NOTE: may set bits for deleted docs.
++index[0];
}
return result;
}
public DocumentFilteredAtomicIndexReader(AtomicReaderContext context, Filter preserveFilter, bool negateFilter)
: base(context.AtomicReader)
{
int maxDoc = @in.MaxDoc;
FixedBitSet bits = new FixedBitSet(maxDoc);
// ignore livedocs here, as we filter them later:
DocIdSet docs = preserveFilter.GetDocIdSet(context, null);
if (docs != null)
{
DocIdSetIterator it = docs.GetIterator();
if (it != null)
{
bits.Or(it);
}
}
if (negateFilter)
{
bits.Flip(0, maxDoc);
}
if (@in.HasDeletions)
{
Bits oldLiveDocs = @in.LiveDocs;
Debug.Assert(oldLiveDocs != null);
DocIdSetIterator it = bits.GetIterator();
for (int i = it.NextDoc(); i < maxDoc; i = it.NextDoc())
{
if (!oldLiveDocs.Get(i))
{
// we can safely modify the current bit, as the iterator already stepped over it:
bits.Clear(i);
}
}
}
this.liveDocs = bits;
this.numDocs_Renamed = bits.Cardinality();
}
