private IEnumerable <BytesRef> GetBytesIterator(int maxDocParam)
{
// Use yield return instead of ucsom IEnumerable
BytesRef value = new BytesRef();
AppendingDeltaPackedLongBuffer.Iterator lengthsIterator = (AppendingDeltaPackedLongBuffer.Iterator)Lengths.GetIterator();
int size = (int)Lengths.Size();
DataInput bytesIterator = Bytes.DataInput;
int maxDoc = maxDocParam;
int upto = 0;
long byteOffset = 0L;
while (upto < maxDoc)
{
if (upto < size)
{
int length = (int)lengthsIterator.Next();
value.Grow(length);
value.Length = length;
//LUCENE TODO: This modification is slightly fishy, 4x port uses ByteBlockPool
bytesIterator.ReadBytes(/*byteOffset,*/ value.Bytes, value.Offset, value.Length);
byteOffset += length;
}
else
{
// This is to handle last N documents not having
// this DV field in the end of the segment:
value.Length = 0;
}
upto++;
yield return(value);
}
}
private IEnumerable <BytesRef> GetBytesIterator(int maxDocParam)
{
// Use yield return instead of ucsom IEnumerable
AppendingDeltaPackedLongBuffer.Iterator lengthsIterator = Lengths.GetIterator();
int size = (int)Lengths.Size();
DataInput bytesIterator = Bytes.DataInput;
int maxDoc = maxDocParam;
int upto = 0;
while (upto < maxDoc)
{
BytesRef v = null;
if (upto < size)
{
int length = (int)lengthsIterator.Next();
var value = new BytesRef();
value.Grow(length);
value.Length = length;
bytesIterator.ReadBytes(value.Bytes, value.Offset, value.Length);
if (DocsWithField.Get(upto))
{
v = value;
}
}
upto++;
yield return(v);
}
}
private IEnumerable <long?> GetOrdCountEnumberable(int maxCountPerDoc, int[] ordMap)
{
int currentUpTo = 0, currentLength = 0;
AppendingPackedLongBuffer.Iterator iter = Pending.GetIterator();
AppendingDeltaPackedLongBuffer.Iterator counts = PendingCounts.GetIterator();
int[] currentDoc = new int[maxCountPerDoc];
for (long i = 0; i < Pending.Size(); ++i)
{
while (currentUpTo == currentLength)
{
// refill next doc, and sort remapped ords within the doc.
currentUpTo = 0;
currentLength = (int)counts.Next();
for (int j = 0; j < currentLength; j++)
{
currentDoc[j] = ordMap[(int)iter.Next()];
}
Array.Sort(currentDoc, 0, currentLength);
}
int ord = currentDoc[currentUpTo];
currentUpTo++;
yield return(ord);
}
}
private IEnumerable <long?> GetOrdsEnumberable(int maxDoc, int[] ordMap)
{
AppendingDeltaPackedLongBuffer.Iterator iter = Pending.GetIterator();
for (int i = 0; i < maxDoc; ++i)
{
int ord = (int)iter.Next();
yield return(ord == -1 ? ord : ordMap[ord]);
}
}
private IEnumerable <long?> GetOrdsEnumberable(int maxDoc)
{
AppendingDeltaPackedLongBuffer.Iterator iter = PendingCounts.GetIterator();
Debug.Assert(maxDoc == PendingCounts.Size(), "MaxDoc: " + maxDoc + ", pending.Size(): " + Pending.Size());
for (int i = 0; i < maxDoc; ++i)
{
yield return((int)iter.Next());
}
}