// firstDocID is ignored since nextDoc() sets 'doc'
public /*protected internal*/ override bool Score(Collector c, int end, int firstDocID)
{
c.SetScorer(this);
while (doc < end)
{
// for docs in window
c.Collect(doc); // collect score
if (++pointer >= pointerMax)
{
pointerMax = termDocs.Read(docs, freqs); // refill buffers
if (pointerMax != 0)
{
pointer = 0;
}
else
{
termDocs.Close(); // close stream
doc = System.Int32.MaxValue; // set to sentinel value
return(false);
}
}
doc = docs[pointer];
}
return(true);
}
/// <summary>Optimized implementation. </summary>
public virtual int Read(int[] docs, int[] freqs)
{
while (true)
{
while (current == null)
{
if (pointer < readers.Length)
{
// try next segment
base_Renamed = starts[pointer];
current = TermDocs(pointer++);
}
else
{
return(0);
}
}
int end = current.Read(docs, freqs);
if (end == 0)
{
// none left in segment
current = null;
}
else
{
// got some
int b = base_Renamed; // adjust doc numbers
for (int i = 0; i < end; i++)
{
docs[i] += b;
}
return(end);
}
}
}
public override DocIdSet GetDocIdSet(IndexReader reader)
{
TermEnum enumerator = query.GetEnum(reader);
try
{
// if current term in enum is null, the enum is empty -> shortcut
if (enumerator.Term == null)
{
return(DocIdSet.EMPTY_DOCIDSET);
}
// else fill into an OpenBitSet
OpenBitSet bitSet = new OpenBitSet(reader.MaxDoc);
int[] docs = new int[32];
int[] freqs = new int[32];
TermDocs termDocs = reader.TermDocs();
try
{
int termCount = 0;
do
{
Term term = enumerator.Term;
if (term == null)
{
break;
}
termCount++;
termDocs.Seek(term);
while (true)
{
int count = termDocs.Read(docs, freqs);
if (count != 0)
{
for (int i = 0; i < count; i++)
{
bitSet.Set(docs[i]);
}
}
else
{
break;
}
}
} while (enumerator.Next());
query.IncTotalNumberOfTerms(termCount); // {{Aroush-2.9}} is the use of 'temp' as is right?
}
finally
{
termDocs.Close();
}
return(bitSet);
}
finally
{
enumerator.Close();
}
}
public virtual int Read(int[] docs, int[] freqs)
{
if (termDocs == null)
{
return(0);
}
return(termDocs.Read(docs, freqs));
}
public override BitArray Bits(IndexReader indexReader)
{
BitArray bitarray = new BitArray(indexReader.MaxDoc());
int[] docs = new int[1];
int[] freq = new int[1];
TermDocs termDocs = indexReader.TermDocs(
new Term(@"title", "t1"));
int count = termDocs.Read(docs, freq);
if (count == 1)
{
bitarray.Set(docs[0], true);
}
return(bitarray);
}
/// <summary>
/// 执行自定义过滤条件
/// </summary>
/// <param name="reader"></param>
/// <param name="openBitSet"></param>
/// <param name="setOrClear">Set Or Clear</param>
private void SetOrClear(IndexReader reader, OpenBitSet openBitSet, bool setOrClear)
{
if (!setOrClear)
{//如果是清除操作，先把所有元素填满，都是1。
openBitSet.Set(0L, reader.MaxDoc);
}
FilterInfo filterInfo = FilterDict.FilterInfo(this._language);
string[] values = filterInfo.Values;
if (values != null)
{
TermDocs termDocs = null;
foreach (string value in values)
{
if (filterInfo.FieldType == FieldType.DATETIME)
{
long ticks = DateTime.Parse(value).Ticks;
termDocs = reader.TermDocs(new Term(filterInfo.FieldName, ticks.ToString()));
}
else
{
termDocs = reader.TermDocs(new Term(filterInfo.FieldName, value));
}
int count = termDocs.Read(_doc, _freqs);
if (count == 1)
{
if (setOrClear)
{ //显示
openBitSet.Set(_doc[0]); //将Document的Doc文档表示设置为1。
}
else
{ //不显示
openBitSet.Clear(_doc[0]); //将Document的Doc文档表示设置为0。
}
}
}
}
}
public virtual int Read(int[] docs, int[] freqs)
{
return(in_Renamed.Read(docs, freqs));
}
public virtual int Read(int[] docs, int[] freqs, IState state)
{
return(in_Renamed.Read(docs, freqs, state));
}
public virtual int Read(int[] docs, int[] freqs)
{
return(termDocs.Read(docs, freqs));
}