public int DocumentCount; //Count of the document records in this index
public IndexFileInfo(List <Hubble.Core.Entity.DocumentPosition> stepDocIndex,
IndexFile.FilePosition indexFilePostion, int documentCount)
{
this.StepDocIndex = stepDocIndex;
this.IndexFilePostion = indexFilePostion;
this.DocumentCount = documentCount;
}
private bool NextFileIndex()
{
_CurrentFileIndex++;
if (_CurrentFileIndex >= _WordStepDocIndex.IndexFileInfoList.Count)
{
_End = true;
return(false);
}
IndexFile.FilePosition fp = _WordStepDocIndex.IndexFileInfoList[_CurrentFileIndex].IndexFilePostion;
if (_WordStepDocIndex.IndexFileInfoList[_CurrentFileIndex].StepDocIndex == null)
{
_CurrentIndexBuf = _IndexFileProxy.GetIndexBufferMemory(fp.Serial, fp.Position, fp.Length);
_CurrentDocId = -1;
_LastDocIdInCurrentStep = -1;
}
else
{
_CurrentStepDocIndex = -1;
_CurrentDocId = -1;
_LastDocIdInCurrentStep = -1;
int length = _WordStepDocIndex.IndexFileInfoList[_CurrentFileIndex].StepDocIndex[0].Position;
_CurrentIndexBuf = _IndexFileProxy.GetIndexBufferMemory(fp.Serial, fp.Position, length);
}
return(true);
}
private bool NextFileIndexBuf()
{
if (_WordStepDocIndex.IndexFileInfoList[_CurrentFileIndex].StepDocIndex == null)
{
return(NextFileIndex());
}
_CurrentStepDocIndex++;
if (_CurrentStepDocIndex >= _WordStepDocIndex.IndexFileInfoList[_CurrentFileIndex].StepDocIndex.Count)
{
return(NextFileIndex());
}
IndexFile.FilePosition fp = _WordStepDocIndex.IndexFileInfoList[_CurrentFileIndex].IndexFilePostion;
_CurrentDocId = _WordStepDocIndex.IndexFileInfoList[_CurrentFileIndex].StepDocIndex[_CurrentStepDocIndex].DocId;
int positionInIndex = _WordStepDocIndex.IndexFileInfoList[_CurrentFileIndex].StepDocIndex[_CurrentStepDocIndex].Position;
int length;
if (_CurrentStepDocIndex < _WordStepDocIndex.IndexFileInfoList[_CurrentFileIndex].StepDocIndex.Count - 1)
{
length = _WordStepDocIndex.IndexFileInfoList[_CurrentFileIndex].StepDocIndex[_CurrentStepDocIndex + 1].Position - positionInIndex;
}
else
{
length = fp.Length - positionInIndex;
}
_CurrentIndexBuf = _IndexFileProxy.GetIndexBufferMemory(fp.Serial, fp.Position + positionInIndex, length);
return(true);
}
internal void Add(IndexFile.FilePosition fp)
{
_FPList.Add(fp);
}
/// <summary>
/// Match step doc index for this docid
/// </summary>
/// <param name="docId"></param>
private bool Match(int docid)
{
if (_WordStepDocIndex.IndexFileInfoList[_CurrentFileIndex].StepDocIndex == null)
{
//Current file index hasn't skip doc index
return(false);
}
else
{
int nextStepDocIndex = _CurrentStepDocIndex + 1;
bool lessThenNextStepDocIndex = false;
int lastDocIdInCurrentStep = -1; //last docid in current segment of step;
for (; nextStepDocIndex < _WordStepDocIndex.IndexFileInfoList[_CurrentFileIndex].StepDocIndex.Count; nextStepDocIndex++)
{
//StepDocIndex[nextStepDocIndex].DocId is the last docid of the segment of nextStepDocIndex.
lastDocIdInCurrentStep = _WordStepDocIndex.IndexFileInfoList[_CurrentFileIndex].StepDocIndex[nextStepDocIndex].DocId;
if (docid <= lastDocIdInCurrentStep)
{
lessThenNextStepDocIndex = true;
break;
}
}
if (!lessThenNextStepDocIndex)
{
return(false);
}
else
{
if (_CurrentStepDocIndex + 1 == nextStepDocIndex)
{
_LastDocIdInCurrentStep = lastDocIdInCurrentStep;
return(false);
}
else
{
_CurrentStepDocIndex = nextStepDocIndex - 1;
_CurrentDocId = _WordStepDocIndex.IndexFileInfoList[_CurrentFileIndex].StepDocIndex[_CurrentStepDocIndex].DocId;
IndexFile.FilePosition fp = _WordStepDocIndex.IndexFileInfoList[_CurrentFileIndex].IndexFilePostion;
int positionInIndex = _WordStepDocIndex.IndexFileInfoList[_CurrentFileIndex].StepDocIndex[_CurrentStepDocIndex].Position;
int length;
if (_CurrentStepDocIndex < _WordStepDocIndex.IndexFileInfoList[_CurrentFileIndex].StepDocIndex.Count - 1)
{
length = _WordStepDocIndex.IndexFileInfoList[_CurrentFileIndex].StepDocIndex[_CurrentStepDocIndex + 1].Position - positionInIndex;
}
else
{
length = fp.Length - positionInIndex;
}
_CurrentIndexBuf = _IndexFileProxy.GetIndexBufferMemory(fp.Serial, fp.Position + positionInIndex, length);
return(true);
}
}
}
}
