internal virtual void SeekEnum(SegmentTermEnum enumerator, int indexOffset)
{
PagedBytesDataInput input = (PagedBytesDataInput)dataInput.Clone();
input.SetPosition(indexToDataOffset.Get(indexOffset));
// read the term
int fieldId = input.ReadVInt32();
Term field = fields[fieldId];
Term term = new Term(field.Field, input.ReadString());
// read the terminfo
var termInfo = new TermInfo();
termInfo.DocFreq = input.ReadVInt32();
if (termInfo.DocFreq >= skipInterval)
{
termInfo.SkipOffset = input.ReadVInt32();
}
else
{
termInfo.SkipOffset = 0;
}
termInfo.FreqPointer = input.ReadVInt64();
termInfo.ProxPointer = input.ReadVInt64();
long pointer = input.ReadVInt64();
// perform the seek
enumerator.Seek(pointer, ((long)indexOffset * totalIndexInterval) - 1, term, termInfo);
}
/// <summary>
/// Gets the term at the given position. For testing.
/// </summary>
/// <param name="termIndex">
/// The position to read the term from the index. </param>
/// <returns> The term. </returns>
/// <exception cref="IOException"> If there is a low-level I/O error. </exception>
internal virtual Term GetTerm(int termIndex)
{
PagedBytesDataInput input = (PagedBytesDataInput)dataInput.Clone();
input.SetPosition(indexToDataOffset.Get(termIndex));
// read the term
int fieldId = input.ReadVInt32();
Term field = fields[fieldId];
return(new Term(field.Field, input.ReadString()));
}
/// <summary>
/// Gets the term at the given position. For testing.
/// </summary>
/// <param name="termIndex">
/// the position to read the term from the index. </param>
/// <returns> the term. </returns>
/// <exception cref="IOException"> If there is a low-level I/O error. </exception>
public virtual Term GetTerm(int termIndex)
{
PagedBytesDataInput input = (PagedBytesDataInput)DataInput.Clone();
input.Position = IndexToDataOffset.Get(termIndex);
// read the term
int fieldId = input.ReadVInt();
Term field = Fields[fieldId];
return(new Term(field.Field, input.ReadString()));
}
