public virtual void Get(int docNumber, TermVectorMapper mapper)
{
// Check if no term vectors are available for this segment at all
if (tvx != null)
{
//We need to offset by
SeekTvx(docNumber);
long tvdPosition = tvx.ReadLong();
tvd.Seek(tvdPosition);
int fieldCount = tvd.ReadVInt();
// No fields are vectorized for this document
if (fieldCount != 0)
{
System.String[] fields = ReadFields(fieldCount);
long[] tvfPointers = ReadTvfPointers(fieldCount);
mapper.SetDocumentNumber(docNumber);
ReadTermVectors(fields, tvfPointers, mapper);
}
}
else
{
//System.out.println("No tvx file");
}
}
public virtual void Get(int docNum, System.String field, TermVectorMapper mapper)
{
if (tvx != null)
{
int fieldNumber = fieldInfos.FieldNumber(field);
//We need to account for the FORMAT_SIZE at when seeking in the tvx
//We don't need to do this in other seeks because we already have the
// file pointer
//that was written in another file
SeekTvx(docNum);
//System.out.println("TVX Pointer: " + tvx.getFilePointer());
long tvdPosition = tvx.ReadLong();
tvd.Seek(tvdPosition);
int fieldCount = tvd.ReadVInt();
//System.out.println("Num Fields: " + fieldCount);
// There are only a few fields per document. We opt for a full scan
// rather then requiring that they be ordered. We need to read through
// all of the fields anyway to get to the tvf pointers.
int number = 0;
int found = -1;
for (int i = 0; i < fieldCount; i++)
{
if (format >= FORMAT_VERSION)
{
number = tvd.ReadVInt();
}
else
{
number += tvd.ReadVInt();
}
if (number == fieldNumber)
{
found = i;
}
}
// This field, although valid in the segment, was not found in this
// document
if (found != -1)
{
// Compute position in the tvf file
long position;
if (format >= FORMAT_VERSION2)
{
position = tvx.ReadLong();
}
else
{
position = tvd.ReadVLong();
}
for (int i = 1; i <= found; i++)
{
position += tvd.ReadVLong();
}
mapper.SetDocumentNumber(docNum);
ReadTermVector(field, position, mapper);
}
else
{
//System.out.println("Fieldable not found");
}
}
else
{
//System.out.println("No tvx file");
}
}
