/// <summary>
/// Perform an inplace NOT with the doc ids from a given <see cref="DocIdSetIterator"/>,
/// clearing all the bits for each such doc id.
/// These doc ids should be smaller than the maximum size passed to the
/// constructor.
/// </summary>
public virtual void InPlaceNot(DocIdSetIterator disi)
{
int doc;
long size = Length; // LUCENENET specific - using Length in place of Size (since they are the same)
while ((doc = disi.NextDoc()) < size)
{
FastClear(doc);
}
}
/// <summary>
/// Encode the document ids from a DocIdSetIterator. </summary>
/// <param name="disi"> This DocIdSetIterator should provide document ids that are consistent
/// with <c>numValues</c> and <c>upperBound</c> as provided to the constructor. </param>
public virtual void EncodeFromDisi(DocIdSetIterator disi)
{
while (efEncoder.numEncoded < efEncoder.numValues)
{
int x = disi.NextDoc();
if (x == DocIdSetIterator.NO_MORE_DOCS)
{
throw new System.ArgumentException("disi: " + disi.ToString() + "\nhas " + efEncoder.numEncoded + " docs, but at least " + efEncoder.numValues + " are required.");
}
efEncoder.EncodeNext(x);
}
}
/// <summary>
/// Perform an inplace AND with the doc ids from a given <see cref="DocIdSetIterator"/>,
/// leaving only the bits set for which the doc ids are in common.
/// These doc ids should be smaller than the maximum size passed to the
/// constructor.
/// </summary>
public virtual void InPlaceAnd(DocIdSetIterator disi)
{
int bitSetDoc = NextSetBit(0);
int disiDoc;
while (bitSetDoc != -1 && (disiDoc = disi.Advance(bitSetDoc)) != DocIdSetIterator.NO_MORE_DOCS)
{
Clear(bitSetDoc, disiDoc);
bitSetDoc = NextSetBit(disiDoc + 1);
}
if (bitSetDoc != -1)
{
Clear(bitSetDoc, Length); // LUCENENET specific - using Length in place of Size (since they are the same)
}
}
/// <summary>
/// Construct an <see cref="OpenBitSetDISI"/> with its bits set
/// from the doc ids of the given <see cref="DocIdSetIterator"/>.
/// Also give a maximum size one larger than the largest doc id for which a
/// bit may ever be set on this <see cref="OpenBitSetDISI"/>.
/// </summary>
public OpenBitSetDISI(DocIdSetIterator disi, int maxSize)
: base(maxSize)
{
InPlaceOr(disi);
}