/// <summary>
/// Only get the word step doc index.
/// </summary>
/// <param name="word"></param>
/// <param name="filePositionList"></param>
/// <param name="totalDocs"></param>
/// <param name="dbProvider"></param>
/// <param name="maxReturnCount"></param>
/// <returns></returns>
internal Hubble.Core.Index.WordIndexReader GetWordIndexWithWordStepDocIndex(string word,
WordFilePositionList filePositionList, int totalDocs, Data.DBProvider dbProvider, int maxReturnCount)
{
List <WordStepDocIndex.IndexFileInfo> indexFileInfoList =
new List <WordStepDocIndex.IndexFileInfo>(); //StepDocIndex of all index files
bool simple = _IndexMode == Hubble.Core.Data.Field.IndexMode.Simple;
long wordCountSum = 0;
foreach (FilePosition filePosition in filePositionList.FPList)
{
IDXFile idxFile = GetIDXFile(filePosition.Serial);
if (idxFile == null)
{
continue;
}
int count;
long indexPosition;
List <Hubble.Core.Entity.DocumentPosition> stepDocIndex =
idxFile.GetStepDocIndex(filePosition.Position, filePosition.Length, out count, out indexPosition);
indexFileInfoList.Add(new WordStepDocIndex.IndexFileInfo(stepDocIndex,
new FilePosition(filePosition.Serial, indexPosition,
(int)(filePosition.Length - (indexPosition - filePosition.Position) - sizeof(int))), //Subtract last 4 bytes for last doc id and Subtract stepdocindex length
count));
wordCountSum += count;
}
int relDocCount = (int)wordCountSum;
//if (maxReturnCount >= 0)
//{
// if (wordCountSum > maxReturnCount)
// {
// relDocCount = maxReturnCount;
// }
//}
WordStepDocIndex wordStepDocIndex = new WordStepDocIndex(indexFileInfoList,
wordCountSum, relDocCount, simple);
return(new WordIndexReader(word, wordStepDocIndex, totalDocs,
dbProvider, _IndexFileProxy, maxReturnCount));
}
internal Hubble.Core.Index.WordIndexReader GetWordIndex(string word,
WordFilePositionList filePositionList, int totalDocs, Data.DBProvider dbProvider, int maxReturnCount)
{
WordDocumentsList docList = new WordDocumentsList();
bool simple = _IndexMode == Hubble.Core.Data.Field.IndexMode.Simple;
if (maxReturnCount < 0)
{
foreach (FilePosition filePosition in filePositionList.FPList)
{
IDXFile idxFile = GetIDXFile(filePosition.Serial);
if (idxFile == null)
{
continue;
}
WordDocumentsList wdl = idxFile.GetDocList(filePosition.Position, filePosition.Length, -1, simple);
if (filePositionList.Count == 1)
{
docList = wdl;
}
else
{
docList.AddRange(wdl);
docList.WordCountSum += wdl.WordCountSum;
}
}
}
else
{
int remain = maxReturnCount;
foreach (FilePosition filePosition in filePositionList.FPList)
{
IDXFile idxFile = GetIDXFile(filePosition.Serial);
if (idxFile == null)
{
continue;
}
WordDocumentsList wdl = idxFile.GetDocList(filePosition.Position, filePosition.Length, remain, simple);
if (filePositionList.Count == 1)
{
docList = wdl;
}
else
{
docList.AddRange(wdl);
docList.WordCountSum += wdl.WordCountSum;
docList.RelDocCount += wdl.RelDocCount;
}
remain -= wdl.Count;
}
}
return(new WordIndexReader(word, docList, totalDocs, dbProvider));
}
