public override int NextDoc()
{
do
{
if (!termDocs.Next())
{
return(doc = NO_MORE_DOCS);
}
}while (!Enclosing_Instance.MatchDoc(doc = termDocs.Doc));
return(doc);
}
/// <summary> Returns an array of objects which represent that natural order
/// of the term values in the given Field.
///
/// </summary>
/// <param name="reader"> Terms are in this index.
/// </param>
/// <param name="enumerator">Use this to get the term values and TermDocs.
/// </param>
/// <param name="fieldname"> Comparables should be for this Field.
/// </param>
/// <returns> Array of objects representing natural order of terms in Field.
/// </returns>
/// <throws> IOException If an error occurs reading the index. </throws>
protected internal virtual System.IComparable[] FillCache(IndexReader reader, TermEnum enumerator, System.String fieldname)
{
System.String field = String.Intern(fieldname);
System.IComparable[] retArray = new System.IComparable[reader.MaxDoc()];
if (retArray.Length > 0)
{
TermDocs termDocs = reader.TermDocs();
try
{
if (enumerator.Term() == null)
{
throw new System.SystemException("no terms in Field " + field);
}
do
{
Term term = enumerator.Term();
if ((System.Object)term.Field() != (System.Object)field)
{
break;
}
System.IComparable termval = GetComparable(term.Text());
termDocs.Seek(enumerator);
while (termDocs.Next())
{
retArray[termDocs.Doc()] = termval;
}
}while (enumerator.Next());
}
finally
{
termDocs.Close();
}
}
return(retArray);
}
protected internal override System.Object CreateValue(IndexReader reader, Entry entryKey)
{
System.String field = StringHelper.Intern((System.String)entryKey.field);
System.String[] retArray = new System.String[reader.MaxDoc()];
TermDocs termDocs = reader.TermDocs();
TermEnum termEnum = reader.Terms(new Term(field));
try
{
do
{
Term term = termEnum.Term();
if (term == null || (System.Object)term.Field() != (System.Object)field)
{
break;
}
System.String termval = term.Text();
termDocs.Seek(termEnum);
while (termDocs.Next())
{
retArray[termDocs.Doc()] = termval;
}
}while (termEnum.Next());
}
finally
{
termDocs.Close();
termEnum.Close();
}
return(retArray);
}
public virtual void Generate(IndexReader reader)
{
TermEnum enumerator = reader.Terms(prefix);
TermDocs termDocs = reader.TermDocs();
try
{
System.String prefixText = prefix.Text();
System.String prefixField = prefix.Field();
do
{
Term term = enumerator.Term();
if (term != null && term.Text().StartsWith(prefixText) && (System.Object)term.Field() == (System.Object)prefixField)
{
termDocs.Seek(term);
while (termDocs.Next())
{
HandleDoc(termDocs.Doc());
}
}
else
{
break;
}
}while (enumerator.Next());
}
finally
{
termDocs.Close();
enumerator.Close();
}
}
/// <summary> Returns a BitSet with true for documents which should be
/// permitted in search results, and false for those that should
/// not.
/// </summary>
public override System.Collections.BitArray Bits(IndexReader reader)
{
System.Collections.BitArray bits = new System.Collections.BitArray((reader.MaxDoc() % 64 == 0?reader.MaxDoc() / 64:reader.MaxDoc() / 64 + 1) * 64);
TermEnum enumerator = reader.Terms(new Term(field, start));
TermDocs termDocs = reader.TermDocs();
if (enumerator.Term() == null)
{
return(bits);
}
try
{
Term stop = new Term(field, end);
while (enumerator.Term().CompareTo(stop) <= 0)
{
termDocs.Seek(enumerator.Term());
while (termDocs.Next())
{
bits.Set(termDocs.Doc(), true);
}
if (!enumerator.Next())
{
break;
}
}
}
finally
{
enumerator.Close();
termDocs.Close();
}
return(bits);
}
/// <summary>Returns an explanation of the score for a document.
/// <br>When this method is used, the {@link #Next()} method
/// and the {@link #Score(HitCollector)} method should not be used.
/// </summary>
/// <param name="doc">The document number for the explanation.
/// </param>
/// <todo> Modify to make use of {@link TermDocs#SkipTo(int)}. </todo>
public override Explanation Explain(int doc)
{
TermQuery query = (TermQuery)weight.GetQuery();
Explanation tfExplanation = new Explanation();
int tf = 0;
while (pointer < pointerMax)
{
if (docs[pointer] == doc)
{
tf = freqs[pointer];
}
pointer++;
}
if (tf == 0)
{
while (termDocs.Next())
{
if (termDocs.Doc() == doc)
{
tf = termDocs.Freq();
}
}
}
termDocs.Close();
tfExplanation.SetValue(GetSimilarity().Tf(tf));
tfExplanation.SetDescription("tf(termFreq(" + query.GetTerm() + ")=" + tf + ")");
return(tfExplanation);
}
protected internal override System.Object CreateValue(IndexReader reader, Entry entryKey)
{
Entry entry = (Entry)entryKey;
System.String field = entry.field;
SortComparator comparator = (SortComparator)entry.custom;
System.IComparable[] retArray = new System.IComparable[reader.MaxDoc()];
TermDocs termDocs = reader.TermDocs();
TermEnum termEnum = reader.Terms(new Term(field));
try
{
do
{
Term term = termEnum.Term();
if (term == null || (System.Object)term.Field() != (System.Object)field)
{
break;
}
System.IComparable termval = comparator.GetComparable(term.Text());
termDocs.Seek(termEnum);
while (termDocs.Next())
{
retArray[termDocs.Doc()] = termval;
}
}while (termEnum.Next());
}
finally
{
termDocs.Close();
termEnum.Close();
}
return(retArray);
}
protected internal override object CreateValue(IndexReader reader, object entryKey)
{
Entry entry = (Entry)entryKey;
System.String field = entry.field;
LongParser parser = (LongParser)entry.custom;
long[] retArray = new long[reader.MaxDoc()];
TermDocs termDocs = reader.TermDocs();
TermEnum termEnum = reader.Terms(new Term(field));
try
{
do
{
Term term = termEnum.Term();
if (term == null || (object)term.Field() != (object)field)
{
break;
}
long termval = parser.ParseLong(term.Text());
termDocs.Seek(termEnum);
while (termDocs.Next())
{
retArray[termDocs.Doc()] = termval;
}
}while (termEnum.Next());
}
finally
{
termDocs.Close();
termEnum.Close();
}
return(retArray);
}
/// <summary>
/// Checks to see if the given file is indexed.
/// </summary>
/// <param name="file">The file to check to see if it's indexed.</param>
/// <returns>true if the file is indexed, false if it isn't.</returns>
public bool IsIndexed(SourceFile file)
{
if (file == null || String.IsNullOrWhiteSpace(file.FileName))
{
return(false);
}
if (_writer != null)
{
using (Lucene.Net.Index.IndexReader reader = _writer.GetReader())
{
using (Lucene.Net.Index.TermDocs docs = reader.TermDocs(new Lucene.Net.Index.Term("fileName", file.FileName)))
{
return(docs.Next());
}
}
}
else if (_searcher != null)
{
using (Lucene.Net.Index.TermDocs docs = _searcher.IndexReader.TermDocs(new Lucene.Net.Index.Term("fileName", file.FileName)))
{
return(docs.Next());
}
}
else
{
return(false);
}
}
protected internal override System.Object CreateValue(IndexReader reader, Entry entryKey, IState state)
{
Entry entry = entryKey;
System.String field = entry.field;
IntParser parser = (IntParser)entry.custom;
if (parser == null)
{
try
{
return(wrapper.GetInts(reader, field, Lucene.Net.Search.FieldCache_Fields.DEFAULT_INT_PARSER, state));
}
catch (System.FormatException)
{
return(wrapper.GetInts(reader, field, Lucene.Net.Search.FieldCache_Fields.NUMERIC_UTILS_INT_PARSER, state));
}
}
int[] retArray = null;
TermDocs termDocs = reader.TermDocs(state);
TermEnum termEnum = reader.Terms(new Term(field), state);
try
{
do
{
Term term = termEnum.Term;
if (term == null || (System.Object)term.Field != (System.Object)field)
{
break;
}
int termval = parser.ParseInt(term.Text);
if (retArray == null)
{
// late init
retArray = new int[reader.MaxDoc];
}
termDocs.Seek(termEnum, state);
while (termDocs.Next(state))
{
retArray[termDocs.Doc] = termval;
}
}while (termEnum.Next(state));
}
catch (StopFillCacheException)
{
}
finally
{
termDocs.Close();
termEnum.Close();
}
if (retArray == null)
{
// no values
retArray = new int[reader.MaxDoc];
}
return(retArray);
}
protected internal override System.Object CreateValue(IndexReader reader, Entry entryKey)
{
Entry entry = (Entry)entryKey;
System.String field = entry.field;
FloatParser parser = (FloatParser)entry.custom;
if (parser == null)
{
try
{
return(wrapper.GetFloats(reader, field, Lucene.Net.Search.FieldCache_Fields.DEFAULT_FLOAT_PARSER));
}
catch (System.FormatException ne)
{
return(wrapper.GetFloats(reader, field, Lucene.Net.Search.FieldCache_Fields.NUMERIC_UTILS_FLOAT_PARSER));
}
}
float[] retArray = null;
TermDocs termDocs = reader.TermDocs();
TermEnum termEnum = reader.Terms(new Term(field));
try
{
do
{
Term term = termEnum.Term();
if (term == null || (System.Object)term.Field() != (System.Object)field)
{
break;
}
float termval = parser.ParseFloat(term.Text());
if (retArray == null)
{
// late init
retArray = new float[reader.MaxDoc()];
}
termDocs.Seek(termEnum);
while (termDocs.Next())
{
retArray[termDocs.Doc()] = termval;
}
}while (termEnum.Next());
}
catch (StopFillCacheException stop)
{
}
finally
{
termDocs.Close();
termEnum.Close();
}
if (retArray == null)
{
// no values
retArray = new float[reader.MaxDoc()];
}
return(retArray);
}
protected internal override object CreateValue(IndexReader reader, Entry entryKey)
{
Entry entry = entryKey;
string field = entry.field;
Lucene.Net.Search.DoubleParser parser = (Lucene.Net.Search.DoubleParser)entry.custom;
if (parser == null)
{
try
{
return(wrapper.GetDoubles(reader, field, Lucene.Net.Search.FieldCache_Fields.DEFAULT_DOUBLE_PARSER));
}
catch (System.FormatException)
{
return(wrapper.GetDoubles(reader, field, Lucene.Net.Search.FieldCache_Fields.NUMERIC_UTILS_DOUBLE_PARSER));
}
}
double[] retArray = null;
TermDocs termDocs = reader.TermDocs();
TermEnum termEnum = reader.Terms(new Term(field));
try
{
do
{
Term term = termEnum.Term;
if (term == null || (object)term.Field != (object)field)
{
break;
}
double termval = parser.ParseDouble(term.Text);
if (retArray == null)
{
// late init
retArray = new double[reader.MaxDoc];
}
termDocs.Seek(termEnum);
while (termDocs.Next())
{
retArray[termDocs.Doc] = termval;
}
}while (termEnum.Next());
}
catch (StopFillCacheException)
{
}
finally
{
termDocs.Close();
termEnum.Close();
}
if (retArray == null)
{
// no values
retArray = new double[reader.MaxDoc];
}
return(retArray);
}
public virtual void TestMutipleDocument()
{
RAMDirectory dir = new RAMDirectory();
IndexWriter writer = new IndexWriter(dir, new KeywordAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
Document doc = new Document();
doc.Add(new Field("partnum", "Q36", Field.Store.YES, Field.Index.ANALYZED));
writer.AddDocument(doc);
doc = new Document();
doc.Add(new Field("partnum", "Q37", Field.Store.YES, Field.Index.ANALYZED));
writer.AddDocument(doc);
writer.Close();
IndexReader reader = IndexReader.Open(dir);
TermDocs td = reader.TermDocs(new Term("partnum", "Q36"));
Assert.IsTrue(td.Next());
td = reader.TermDocs(new Term("partnum", "Q37"));
Assert.IsTrue(td.Next());
}
// inherit javadocs
public virtual float[] GetFloats(IndexReader reader, System.String field, FloatParser parser)
{
field = String.Intern(field);
System.Object ret = Lookup(reader, field, parser);
if (ret == null)
{
float[] retArray = new float[reader.MaxDoc()];
if (retArray.Length > 0)
{
TermDocs termDocs = reader.TermDocs();
TermEnum termEnum = reader.Terms(new Term(field, ""));
try
{
if (termEnum.Term() == null)
{
throw new System.SystemException("no terms in field " + field);
}
do
{
Term term = termEnum.Term();
if (term.Field() != field)
{
break;
}
float termval;
try
{
termval = SupportClass.Single.Parse(term.Text());
}
catch (Exception e)
{
termval = 0;
}
termDocs.Seek(termEnum);
while (termDocs.Next())
{
retArray[termDocs.Doc()] = termval;
}
}while (termEnum.Next());
}
finally
{
termDocs.Close();
termEnum.Close();
}
}
Store(reader, field, parser, retArray);
return(retArray);
}
return((float[])ret);
}
// inherit javadocs
public virtual System.IComparable[] GetCustom(IndexReader reader, System.String field, SortComparator comparator)
{
field = String.Intern(field);
System.Object ret = Lookup(reader, field, comparator);
if (ret == null)
{
System.IComparable[] retArray = new System.IComparable[reader.MaxDoc()];
if (retArray.Length > 0)
{
TermDocs termDocs = reader.TermDocs();
TermEnum termEnum = reader.Terms(new Term(field, ""));
try
{
if (termEnum.Term() == null)
{
throw new System.SystemException("no terms in field " + field);
}
do
{
Term term = termEnum.Term();
if (term.Field() != field)
{
break;
}
System.IComparable termval = comparator.GetComparable(term.Text());
termDocs.Seek(termEnum);
while (termDocs.Next())
{
retArray[termDocs.Doc()] = termval;
}
}while (termEnum.Next());
}
finally
{
termDocs.Close();
termEnum.Close();
}
}
Store(reader, field, comparator, retArray);
return(retArray);
}
return((System.IComparable[])ret);
}
protected internal override System.Object CreateValue(IndexReader reader, Entry entryKey, IState state)
{
Entry entry = entryKey;
System.String field = entry.field;
ByteParser parser = (ByteParser)entry.custom;
if (parser == null)
{
return(wrapper.GetBytes(reader, field, Lucene.Net.Search.FieldCache_Fields.DEFAULT_BYTE_PARSER, state));
}
sbyte[] retArray = new sbyte[reader.MaxDoc];
TermDocs termDocs = reader.TermDocs(state);
TermEnum termEnum = reader.Terms(new Term(field), state);
try
{
do
{
Term term = termEnum.Term;
if (term == null || (System.Object)term.Field != (System.Object)field)
{
break;
}
sbyte termval = parser.ParseByte(term.Text);
termDocs.Seek(termEnum, state);
while (termDocs.Next(state))
{
retArray[termDocs.Doc] = termval;
}
}while (termEnum.Next(state));
}
catch (StopFillCacheException)
{
}
finally
{
termDocs.Close();
termEnum.Close();
}
return(retArray);
}
protected internal override System.Object CreateValue(IndexReader reader, Entry entryKey)
{
Entry entry = (Entry)entryKey;
System.String field = entry.field;
ShortParser parser = (ShortParser)entry.custom;
if (parser == null)
{
return(wrapper.GetShorts(reader, field, Lucene.Net.Search.FieldCache_Fields.DEFAULT_SHORT_PARSER));
}
short[] retArray = new short[reader.MaxDoc()];
TermDocs termDocs = reader.TermDocs();
TermEnum termEnum = reader.Terms(new Term(field));
try
{
do
{
Term term = termEnum.Term();
if (term == null || (System.Object)term.Field() != (System.Object)field)
{
break;
}
short termval = parser.ParseShort(term.Text());
termDocs.Seek(termEnum);
while (termDocs.Next())
{
retArray[termDocs.Doc()] = termval;
}
}while (termEnum.Next());
}
catch (StopFillCacheException stop)
{
}
finally
{
termDocs.Close();
termEnum.Close();
}
return(retArray);
}
// inherit javadocs
public virtual int[] GetInts(IndexReader reader, System.String field, IntParser parser)
{
field = String.Intern(field);
System.Object ret = Lookup(reader, field, parser);
if (ret == null)
{
int[] retArray = new int[reader.MaxDoc()];
TermDocs termDocs = reader.TermDocs();
TermEnum termEnum = reader.Terms(new Term(field, ""));
try
{
do
{
Term term = termEnum.Term();
if (term == null || term.Field() != field)
{
break;
}
int termval = parser.ParseInt(term.Text());
termDocs.Seek(termEnum);
while (termDocs.Next())
{
retArray[termDocs.Doc()] = termval;
}
}while (termEnum.Next());
}
finally
{
termDocs.Close();
termEnum.Close();
}
Store(reader, field, parser, retArray);
return(retArray);
}
return((int[])ret);
}
// inherit javadocs
public virtual System.String[] GetStrings(IndexReader reader, System.String field)
{
field = String.Intern(field);
System.Object ret = Lookup(reader, field, SortField.STRING, null);
if (ret == null)
{
System.String[] retArray = new System.String[reader.MaxDoc()];
TermDocs termDocs = reader.TermDocs();
TermEnum termEnum = reader.Terms(new Term(field, ""));
try
{
do
{
Term term = termEnum.Term();
if (term == null || term.Field() != field)
{
break;
}
System.String termval = term.Text();
termDocs.Seek(termEnum);
while (termDocs.Next())
{
retArray[termDocs.Doc()] = termval;
}
}while (termEnum.Next());
}
finally
{
termDocs.Close();
termEnum.Close();
}
Store(reader, field, SortField.STRING, null, retArray);
return(retArray);
}
return((System.String[])ret);
}
// inherit javadocs
public virtual StringIndex GetStringIndex(IndexReader reader, System.String field)
{
field = String.Intern(field);
System.Object ret = Lookup(reader, field, Lucene.Net.Search.FieldCache_Fields.STRING_INDEX);
if (ret == null)
{
int[] retArray = new int[reader.MaxDoc()];
System.String[] mterms = new System.String[reader.MaxDoc() + 1];
if (retArray.Length > 0)
{
TermDocs termDocs = reader.TermDocs();
TermEnum termEnum = reader.Terms(new Term(field, ""));
int t = 0; // current term number
// an entry for documents that have no terms in this field
// should a document with no terms be at top or bottom?
// this puts them at the top - if it is changed, FieldDocSortedHitQueue
// needs to change as well.
mterms[t++] = null;
try
{
if (termEnum.Term() == null)
{
throw new System.SystemException("no terms in field " + field);
}
do
{
Term term = termEnum.Term();
if (term.Field() != field)
{
break;
}
// store term text
// we expect that there is at most one term per document
if (t >= mterms.Length)
{
throw new System.SystemException("there are more terms than " + "documents in field \"" + field + "\", but it's impossible to sort on " + "tokenized fields");
}
mterms[t] = term.Text();
termDocs.Seek(termEnum);
while (termDocs.Next())
{
retArray[termDocs.Doc()] = t;
}
t++;
}while (termEnum.Next());
}
finally
{
termDocs.Close();
termEnum.Close();
}
if (t == 0)
{
// if there are no terms, make the term array
// have a single null entry
mterms = new System.String[1];
}
else if (t < mterms.Length)
{
// if there are less terms than documents,
// trim off the dead array space
System.String[] terms = new System.String[t];
Array.Copy(mterms, 0, terms, 0, t);
mterms = terms;
}
}
StringIndex value_Renamed = new StringIndex(retArray, mterms);
Store(reader, field, Lucene.Net.Search.FieldCache_Fields.STRING_INDEX, value_Renamed);
return(value_Renamed);
}
return((StringIndex)ret);
}
/// <summary> Returns a BitSet with true for documents which should be
/// permitted in search results, and false for those that should
/// not.
/// </summary>
public override System.Collections.BitArray Bits(IndexReader reader)
{
System.Collections.BitArray bits = new System.Collections.BitArray((reader.MaxDoc() % 64 == 0 ? reader.MaxDoc() / 64 : reader.MaxDoc() / 64 + 1) * 64);
TermEnum enumerator = (null != lowerTerm ? reader.Terms(new Term(fieldName, lowerTerm)) : reader.Terms(new Term(fieldName, "")));
try
{
if (enumerator.Term() == null)
{
return(bits);
}
bool checkLower = false;
if (!includeLower)
{
// make adjustments to set to exclusive
checkLower = true;
}
TermDocs termDocs = reader.TermDocs();
try
{
do
{
Term term = enumerator.Term();
if (term != null && term.Field().Equals(fieldName))
{
if (!checkLower || null == lowerTerm || String.CompareOrdinal(term.Text(), lowerTerm) > 0)
{
checkLower = false;
if (upperTerm != null)
{
int compare = String.CompareOrdinal(upperTerm, term.Text());
/* if beyond the upper term, or is exclusive and
* this is equal to the upper term, break out */
if ((compare < 0) || (!includeUpper && compare == 0))
{
break;
}
}
/* we have a good term, find the docs */
termDocs.Seek(enumerator.Term());
while (termDocs.Next())
{
bits.Set(termDocs.Doc(), true);
}
}
}
else
{
break;
}
}while (enumerator.Next());
}
finally
{
termDocs.Close();
}
}
finally
{
enumerator.Close();
}
return(bits);
}
/// <summary> Returns a DocIdSet with documents that should be
/// permitted in search results.
/// </summary>
public override DocIdSet GetDocIdSet(IndexReader reader)
{
OpenBitSet bits = new OpenBitSet(reader.MaxDoc());
TermEnum enumerator = (null != lowerTerm && collator == null ?
reader.Terms(new Term(fieldName, lowerTerm)) :
reader.Terms(new Term(fieldName)));
try
{
if (enumerator.Term() == null)
{
return(bits);
}
TermDocs termDocs = reader.TermDocs();
try
{
if (collator != null)
{
do
{
Term term = enumerator.Term();
if (term != null && term.Field().Equals(fieldName))
{
if ((lowerTerm == null ||
(includeLower ? collator.Compare(term.Text(), lowerTerm) >= 0 : collator.Compare(term.Text(), lowerTerm) > 0)) &&
(upperTerm == null ||
(includeUpper ? collator.Compare(term.Text(), upperTerm) <= 0 : collator.Compare(term.Text(), upperTerm) < 0)))
{
// term in range, lookup docs
termDocs.Seek(enumerator.Term());
while (termDocs.Next())
{
bits.Set(termDocs.Doc());
}
}
}
}while (enumerator.Next());
}
else // null collator; using Unicode code point ordering
{
bool checkLower = false;
if (!includeLower) // make adjustments to set to exclusive
{
checkLower = true;
}
do
{
Term term = enumerator.Term();
if (term != null && term.Field().Equals(fieldName))
{
if (!checkLower || null == lowerTerm || String.CompareOrdinal(term.Text(), lowerTerm) > 0)
{
checkLower = false;
if (upperTerm != null)
{
int compare = String.CompareOrdinal(upperTerm, term.Text());
/* if beyond the upper term, or is exclusive and
* this is equal to the upper term, break out */
if ((compare < 0) || (!includeUpper && compare == 0))
{
break;
}
}
/* we have a good term, find the docs */
termDocs.Seek(enumerator.Term());
while (termDocs.Next())
{
bits.Set(termDocs.Doc());
}
}
}
else
{
break;
}
}while (enumerator.Next());
}
}
finally
{
termDocs.Close();
}
}
finally
{
enumerator.Close();
}
return(bits);
}
protected internal override object CreateValue(IndexReader reader, Entry entryKey)
{
string field = StringHelper.Intern(entryKey.field);
int[] retArray = new int[reader.MaxDoc];
string[] mterms = new string[reader.MaxDoc + 1];
TermDocs termDocs = reader.TermDocs();
TermEnum termEnum = reader.Terms(new Term(field));
int t = 0; // current term number
// an entry for documents that have no terms in this field
// should a document with no terms be at top or bottom?
// this puts them at the top - if it is changed, FieldDocSortedHitQueue
// needs to change as well.
mterms[t++] = null;
try
{
do
{
Term term = termEnum.Term;
if (term == null || term.Field != field || t >= mterms.Length)
{
break;
}
// store term text
mterms[t] = term.Text;
termDocs.Seek(termEnum);
while (termDocs.Next())
{
retArray[termDocs.Doc] = t;
}
t++;
}while (termEnum.Next());
}
finally
{
termDocs.Close();
termEnum.Close();
}
if (t == 0)
{
// if there are no terms, make the term array
// have a single null entry
mterms = new string[1];
}
else if (t < mterms.Length)
{
// if there are less terms than documents,
// trim off the dead array space
string[] terms = new string[t];
Array.Copy(mterms, 0, terms, 0, t);
mterms = terms;
}
StringIndex value_Renamed = new StringIndex(retArray, mterms);
return(value_Renamed);
}
protected internal override System.Object CreateValue(IndexReader reader, Entry entryKey)
{
System.String field = StringHelper.Intern((System.String)entryKey.field);
int[] retArray = new int[reader.MaxDoc()];
System.String[] mterms = new System.String[reader.MaxDoc() + 1];
TermDocs termDocs = reader.TermDocs();
TermEnum termEnum = reader.Terms(new Term(field));
int t = 0; // current term number
// an entry for documents that have no terms in this field
// should a document with no terms be at top or bottom?
// this puts them at the top - if it is changed, FieldDocSortedHitQueue
// needs to change as well.
mterms[t++] = null;
try
{
do
{
Term term = termEnum.Term();
if (term == null || (System.Object)term.Field() != (System.Object)field)
{
break;
}
// store term text
// we expect that there is at most one term per document
if (t >= mterms.Length)
{
throw new System.SystemException("there are more terms than " + "documents in field \"" + field + "\", but it's impossible to sort on " + "tokenized fields");
}
mterms[t] = term.Text();
termDocs.Seek(termEnum);
while (termDocs.Next())
{
retArray[termDocs.Doc()] = t;
}
t++;
}while (termEnum.Next());
}
finally
{
termDocs.Close();
termEnum.Close();
}
if (t == 0)
{
// if there are no terms, make the term array
// have a single null entry
mterms = new System.String[1];
}
else if (t < mterms.Length)
{
// if there are less terms than documents,
// trim off the dead array space
System.String[] terms = new System.String[t];
Array.Copy(mterms, 0, terms, 0, t);
mterms = terms;
}
StringIndex value_Renamed = new StringIndex(retArray, mterms);
return(value_Renamed);
}
public override int NextDoc()
{
return(doc = termDocs.Next()?termDocs.Doc():NO_MORE_DOCS);
}
public override bool Next()
{
return(termDocs.Next());
}
