private void FlushNumTerms(int totalFields)
{
int maxNumTerms = 0;
foreach (DocData dd in PendingDocs)
{
foreach (FieldData fd in dd.Fields)
{
maxNumTerms |= fd.NumTerms;
}
}
int bitsRequired = PackedInts.BitsRequired(maxNumTerms);
VectorsStream.WriteVInt(bitsRequired);
PackedInts.Writer writer = PackedInts.GetWriterNoHeader(VectorsStream, PackedInts.Format.PACKED, totalFields, bitsRequired, 1);
foreach (DocData dd in PendingDocs)
{
foreach (FieldData fd in dd.Fields)
{
writer.Add(fd.NumTerms);
}
}
Debug.Assert(writer.Ord() == totalFields - 1);
writer.Finish();
}
private void FlushFlags(int totalFields, int[] fieldNums)
{
// check if fields always have the same flags
bool nonChangingFlags = true;
int[] fieldFlags = new int[fieldNums.Length];
Arrays.Fill(fieldFlags, -1);
bool breakOuterLoop;
foreach (DocData dd in PendingDocs)
{
breakOuterLoop = false;
foreach (FieldData fd in dd.Fields)
{
int fieldNumOff = Array.BinarySearch(fieldNums, fd.FieldNum);
Debug.Assert(fieldNumOff >= 0);
if (fieldFlags[fieldNumOff] == -1)
{
fieldFlags[fieldNumOff] = fd.Flags;
}
else if (fieldFlags[fieldNumOff] != fd.Flags)
{
nonChangingFlags = false;
breakOuterLoop = true;
}
}
if (breakOuterLoop)
{
break;
}
}
if (nonChangingFlags)
{
// write one flag per field num
VectorsStream.WriteVInt(0);
PackedInts.Writer writer = PackedInts.GetWriterNoHeader(VectorsStream, PackedInts.Format.PACKED, fieldFlags.Length, FLAGS_BITS, 1);
foreach (int flags in fieldFlags)
{
Debug.Assert(flags >= 0);
writer.Add(flags);
}
Debug.Assert(writer.Ord() == fieldFlags.Length - 1);
writer.Finish();
}
else
{
// write one flag for every field instance
VectorsStream.WriteVInt(1);
PackedInts.Writer writer = PackedInts.GetWriterNoHeader(VectorsStream, PackedInts.Format.PACKED, totalFields, FLAGS_BITS, 1);
foreach (DocData dd in PendingDocs)
{
foreach (FieldData fd in dd.Fields)
{
writer.Add(fd.Flags);
}
}
Debug.Assert(writer.Ord() == totalFields - 1);
writer.Finish();
}
}
