/// <summary>
/// Returns the field data for a given doc.
/// </summary>
/// <param name="docid">doc</param>
/// <param name="fieldname">name of the field</param>
/// <returns>field data</returns>
public virtual string[] GetFieldVal(int docid, string fieldname)
{
var facetHandler = GetFacetHandler(fieldname);
if (facetHandler != null)
{
return(facetHandler.GetFieldValues(_reader, docid));
}
else
{
logger.Warn("facet handler: " + fieldname
+ " not defined, looking at stored field.");
// this is not predefined, so it will be slow
Document doc = _reader.Document(docid, new BoboSubBrowserFieldSelector(fieldname));
return(doc.GetValues(fieldname));
}
}
public override Document Document(int docid)
{
if (_subReaders != null)
{
int readerIndex = ReaderIndex(docid, _starts, _subReaders.Length);
BoboIndexReader subReader = _subReaders[readerIndex];
return(subReader.Document(docid - _starts[readerIndex]));
}
else
{
Document doc = base.Document(docid);
var facetHandlers = _facetHandlerMap.Values;
foreach (var facetHandler in facetHandlers)
{
string[] vals = facetHandler.GetFieldValues(this, docid);
if (vals != null)
{
string[] values = doc.GetValues(facetHandler.Name);
var storedVals = new HashSet <string>(values);
foreach (string val in vals)
{
storedVals.Add(val);
}
doc.RemoveField(facetHandler.Name);
foreach (var val in storedVals)
{
doc.Add(new Field(facetHandler.Name,
val,
Field.Store.NO,
Field.Index.NOT_ANALYZED));
}
}
}
return(doc);
}
}