/// <summary>Closes the enumeration to further activity, freeing resources. </summary>
public override void Close()
{
if (actualEnum != null)
actualEnum.Close();
currentTerm = null;
actualEnum = null;
}
/// <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);
}
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);
}
/* Walk directory hierarchy in uid order, while keeping uid iterator from
* /* existing index in sync. Mismatches indicate one of: (a) old documents to
* /* be deleted; (b) unchanged documents, to be left alone; or (c) new
* /* documents, to be indexed.
*/
private static void IndexDocs(System.IO.FileInfo file, System.IO.FileInfo index, bool create)
{
if (!create)
{
// incrementally update
reader = IndexReader.Open(FSDirectory.Open(index), false); // open existing index
uidIter = reader.Terms(new Term("uid", "")); // init uid iterator
IndexDocs(file);
if (deleting)
{
// delete rest of stale docs
while (uidIter.Term() != null && (System.Object)uidIter.Term().Field() == (System.Object) "uid")
{
System.Console.Out.WriteLine("deleting " + HTMLDocument.Uid2url(uidIter.Term().Text()));
reader.DeleteDocuments(uidIter.Term());
uidIter.Next();
}
deleting = false;
}
uidIter.Close(); // close uid iterator
reader.Close(); // close existing index
}
// don't have exisiting
else
{
IndexDocs(file);
}
}
public override Query Rewrite(IndexReader reader)
{
BooleanQuery query = new BooleanQuery(true);
TermEnum enumerator = reader.Terms(prefix);
try
{
System.String prefixText = prefix.Text();
System.String prefixField = prefix.Field();
do
{
Term term = enumerator.Term();
#if !FRAMEWORK_1_1
if (term != null && term.Text().StartsWith(prefixText, StringComparison.Ordinal) && term.Field() == prefixField)
#else
if (term != null && term.Text().StartsWith(prefixText) && term.Field() == prefixField)
#endif
{
TermQuery tq = new TermQuery(term); // found a match
tq.SetBoost(GetBoost()); // set the boost
query.Add(tq, BooleanClause.Occur.SHOULD); // add to query
//System.out.println("added " + term);
}
else
{
break;
}
}while (enumerator.Next());
}
finally
{
enumerator.Close();
}
return(query);
}
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();
}
}
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);
}
/// <summary>The pattern used to detect integer values in a field </summary>
/// <summary>removed for java 1.3 compatibility
/// protected static final Pattern pIntegers = Pattern.compile ("[0-9\\-]+");
///
/// </summary>
/// <summary>The pattern used to detect float values in a field </summary>
/// <summary> removed for java 1.3 compatibility
/// protected static final Object pFloats = Pattern.compile ("[0-9+\\-\\.eEfFdD]+");
/// </summary>
// inherit javadocs
public virtual System.Object GetAuto(IndexReader reader, System.String field)
{
field = String.Intern(field);
System.Object ret = Lookup(reader, field, SortField.AUTO, null);
if (ret == null)
{
TermEnum enumerator = reader.Terms(new Term(field, ""));
try
{
Term term = enumerator.Term();
if (term == null)
{
throw new System.SystemException("no terms in field " + field + " - cannot determine sort type");
}
if (term.Field() == field)
{
System.String termtext = term.Text().Trim();
/// <summary> Java 1.4 level code:
/// if (pIntegers.matcher(termtext).matches())
/// return IntegerSortedHitQueue.comparator (reader, enumerator, field);
/// else if (pFloats.matcher(termtext).matches())
/// return FloatSortedHitQueue.comparator (reader, enumerator, field);
/// </summary>
// Java 1.3 level code:
try
{
System.Int32.Parse(termtext);
ret = GetInts(reader, field);
}
catch (System.FormatException nfe1)
{
try
{
System.Single.Parse(termtext);
ret = GetFloats(reader, field);
}
catch (System.FormatException nfe2)
{
ret = GetStringIndex(reader, field);
}
}
if (ret != null)
{
Store(reader, field, SortField.AUTO, null, ret);
}
}
else
{
throw new System.SystemException("field \"" + field + "\" does not appear to be indexed");
}
}
finally
{
enumerator.Close();
}
}
return(ret);
}
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 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 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);
}
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();
}
}
private void InitBlock(IndexReader reader, TermEnum enumerator, System.String field, AnonymousClassSortComparatorSource enclosingInstance)
{
this.reader = reader;
this.enumerator = enumerator;
this.field = field;
this.enclosingInstance = enclosingInstance;
cachedValues = FillCache(reader, enumerator, field);
}
public virtual void TestPhrasePrefix()
{
RAMDirectory indexStore = new RAMDirectory();
IndexWriter writer = new IndexWriter(indexStore, new SimpleAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
Document doc1 = new Document();
Document doc2 = new Document();
Document doc3 = new Document();
Document doc4 = new Document();
Document doc5 = new Document();
doc1.Add(new Field("body", "blueberry pie", Field.Store.YES, Field.Index.ANALYZED));
doc2.Add(new Field("body", "blueberry strudel", Field.Store.YES, Field.Index.ANALYZED));
doc3.Add(new Field("body", "blueberry pizza", Field.Store.YES, Field.Index.ANALYZED));
doc4.Add(new Field("body", "blueberry chewing gum", Field.Store.YES, Field.Index.ANALYZED));
doc5.Add(new Field("body", "piccadilly circus", Field.Store.YES, Field.Index.ANALYZED));
writer.AddDocument(doc1);
writer.AddDocument(doc2);
writer.AddDocument(doc3);
writer.AddDocument(doc4);
writer.AddDocument(doc5);
writer.Optimize();
writer.Close();
IndexSearcher searcher = new IndexSearcher(indexStore);
//PhrasePrefixQuery query1 = new PhrasePrefixQuery();
MultiPhraseQuery query1 = new MultiPhraseQuery();
//PhrasePrefixQuery query2 = new PhrasePrefixQuery();
MultiPhraseQuery query2 = new MultiPhraseQuery();
query1.Add(new Term("body", "blueberry"));
query2.Add(new Term("body", "strawberry"));
System.Collections.ArrayList termsWithPrefix = new System.Collections.ArrayList();
IndexReader ir = IndexReader.Open(indexStore);
// this TermEnum gives "piccadilly", "pie" and "pizza".
System.String prefix = "pi";
TermEnum te = ir.Terms(new Term("body", prefix + "*"));
do
{
if (te.Term().Text().StartsWith(prefix))
{
termsWithPrefix.Add(te.Term());
}
}while (te.Next());
query1.Add((Term[])termsWithPrefix.ToArray(typeof(Term)));
query2.Add((Term[])termsWithPrefix.ToArray(typeof(Term)));
ScoreDoc[] result;
result = searcher.Search(query1, null, 1000).scoreDocs;
Assert.AreEqual(2, result.Length);
result = searcher.Search(query2, null, 1000).scoreDocs;
Assert.AreEqual(0, result.Length);
}
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);
}
protected internal override object CreateValue(IndexReader reader, object fieldKey)
{
System.String field = String.Intern(((System.String)fieldKey));
TermEnum enumerator = reader.Terms(new Term(field));
try
{
Term term = enumerator.Term();
if (term == null)
{
throw new System.SystemException("no terms in field " + field + " - cannot determine sort type");
}
object ret = null;
if ((object)term.Field() == (object)field)
{
System.String termtext = term.Text().Trim();
/**
* Java 1.4 level code:
*
* if (pIntegers.matcher(termtext).matches())
* return IntegerSortedHitQueue.comparator (reader, enumerator, field);
*
* else if (pFloats.matcher(termtext).matches())
* return FloatSortedHitQueue.comparator (reader, enumerator, field);
*/
// Java 1.3 level code:
try
{
System.Int32.Parse(termtext);
ret = Enclosing_Instance.GetInts(reader, field);
}
catch (System.FormatException)
{
try
{
SupportClass.Single.Parse(termtext);
ret = Enclosing_Instance.GetFloats(reader, field);
}
catch (System.FormatException)
{
ret = Enclosing_Instance.GetStringIndex(reader, field);
}
}
}
else
{
throw new System.SystemException("field \"" + field + "\" does not appear to be indexed");
}
return(ret);
}
finally
{
enumerator.Close();
}
}
/// <summary>Closes the enumeration to further activity, freeing resources. </summary>
public override void Close()
{
if (actualEnum != null)
{
actualEnum.Close();
}
currentTerm = null;
actualEnum = null;
}
/// <summary> use this method to set the actual TermEnum (e.g. in ctor),
/// it will be automatically positioned on the first matching term.
/// </summary>
protected internal virtual void SetEnum(TermEnum actualEnum)
{
this.actualEnum = actualEnum;
// Find the first term that matches
Term term = actualEnum.Term;
if (term != null && TermCompare(term))
currentTerm = term;
else
Next();
}
protected internal override System.Object CreateValue(IndexReader reader, Entry entryKey)
{
System.String field = StringHelper.Intern((System.String)entryKey.field);
TermEnum enumerator = reader.Terms(new Term(field));
try
{
Term term = enumerator.Term();
if (term == null)
{
throw new System.SystemException("no terms in field " + field + " - cannot determine type");
}
System.Object ret = null;
if ((System.Object)term.Field() == (System.Object)field)
{
System.String termtext = term.Text().Trim();
try
{
System.Int32.Parse(termtext);
ret = wrapper.GetInts(reader, field);
}
catch (System.FormatException nfe1)
{
try
{
System.Int64.Parse(termtext);
ret = wrapper.GetLongs(reader, field);
}
catch (System.FormatException nfe2)
{
try
{
SupportClass.Single.Parse(termtext);
ret = wrapper.GetFloats(reader, field);
}
catch (System.FormatException nfe3)
{
ret = wrapper.GetStringIndex(reader, field);
}
}
}
}
else
{
throw new System.SystemException("field \"" + field + "\" does not appear to be indexed");
}
return(ret);
}
finally
{
enumerator.Close();
}
}
public LuceneIterator(LuceneDictionary enclosingInstance)
{
InitBlock(enclosingInstance);
try
{
termEnum = Enclosing_Instance.reader.Terms(new Term(Enclosing_Instance.field, ""));
}
catch (System.IO.IOException ex)
{
System.Console.Error.WriteLine(ex.StackTrace);
}
}
public override Query Rewrite(IndexReader reader)
{
BooleanQuery query = new BooleanQuery(true);
TermEnum enumerator = reader.Terms(lowerTerm);
try
{
bool checkLower = false;
if (!inclusive)
{
// make adjustments to set to exclusive
checkLower = true;
}
System.String testField = GetField();
do
{
Term term = enumerator.Term();
if (term != null && term.Field() == testField)
{
// interned comparison
if (!checkLower || String.CompareOrdinal(term.Text(), lowerTerm.Text()) > 0)
{
checkLower = false;
if (upperTerm != null)
{
int compare = String.CompareOrdinal(upperTerm.Text(), term.Text());
/* if beyond the upper term, or is exclusive and
* this is equal to the upper term, break out */
if ((compare < 0) || (!inclusive && compare == 0))
{
break;
}
}
TermQuery tq = new TermQuery(term); // found a match
tq.SetBoost(GetBoost()); // set the boost
query.Add(tq, BooleanClause.Occur.SHOULD); // add to query
}
}
else
{
break;
}
}while (enumerator.Next());
}
finally
{
enumerator.Close();
}
return(query);
}
public LuceneIterator(LuceneDictionary enclosingInstance)
{
InitBlock(enclosingInstance);
try
{
termEnum = Enclosing_Instance.reader.Terms(new Term(Enclosing_Instance.field, ""));
}
catch (System.IO.IOException ex)
{
System.Console.Error.WriteLine(ex.StackTrace);
}
}
// 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);
}
public virtual ScoreDocComparator NewComparator(IndexReader reader, System.String fieldname)
{
System.String field = String.Intern(fieldname);
TermEnum enumerator = reader.Terms(new Term(fieldname, ""));
try
{
return(new AnonymousClassScoreDocComparator(reader, enumerator, field, this));
}
finally
{
enumerator.Close();
}
}
/// <summary> use this method to set the actual TermEnum (e.g. in ctor),
/// it will be automatically positioned on the first matching term.
/// </summary>
protected internal virtual void SetEnum(TermEnum actualEnum)
{
this.actualEnum = actualEnum;
// Find the first term that matches
Term term = actualEnum.Term;
if (term != null && TermCompare(term))
{
currentTerm = term;
}
else
{
Next();
}
}
public override System.Collections.BitArray Bits(IndexReader reader)
{
TermEnum enumerator = query.GetEnum(reader);
try
{
System.Collections.BitArray bitSet = new System.Collections.BitArray((reader.MaxDoc() % 64 == 0?reader.MaxDoc() / 64:reader.MaxDoc() / 64 + 1) * 64);
new AnonymousClassTermGenerator(bitSet, this).Generate(query, reader, enumerator);
return(bitSet);
}
finally
{
enumerator.Close();
}
}
internal static int DetectFieldType(IndexReader reader, System.String fieldKey)
{
System.String field = StringHelper.Intern(fieldKey);
TermEnum enumerator = reader.Terms(new Term(field));
try
{
Term term = enumerator.Term();
if (term == null)
{
throw new System.SystemException("no terms in field " + field + " - cannot determine sort type");
}
int ret = 0;
if ((System.Object)term.Field() == (System.Object)field)
{
System.String termtext = term.Text().Trim();
int tmpI32; long tmpI64; float tmpF;
if (System.Int32.TryParse(termtext, out tmpI32))
{
ret = SortField.INT;
}
else if (System.Int64.TryParse(termtext, out tmpI64))
{
ret = SortField.LONG;
}
else if (SupportClass.Single.TryParse(termtext, out tmpF))
{
ret = SortField.FLOAT;
}
else
{
ret = SortField.STRING;
}
}
else
{
throw new System.SystemException("field \"" + field + "\" does not appear to be indexed");
}
return(ret);
}
finally
{
enumerator.Close();
}
}
// 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 override void Dispose(bool disposing)
{
if (isDisposed)
{
return;
}
if (disposing)
{
if (actualEnum != null)
{
actualEnum.Close();
}
currentTerm = null;
actualEnum = null;
}
isDisposed = true;
}
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);
}
public virtual void Generate(MultiTermQuery query, IndexReader reader, TermEnum enumerator)
{
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++)
{
HandleDoc(docs[i]);
}
}
else
{
break;
}
}
}while (enumerator.Next());
query.IncTotalNumberOfTerms(termCount); // {{Aroush-2.9}} is the use of 'temp' as is right?
}
finally
{
termDocs.Close();
}
}
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);
}
/// <summary> Returns a DocIdSet with documents that should be
/// permitted in search results.
/// </summary>
//@Override
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 a OpenBitSet
OpenBitSet bitSet = new OpenBitSet(reader.MaxDoc());
new AnonymousClassTermGenerator1(bitSet, this).Generate(query, reader, enumerator);
return(bitSet);
}
finally
{
enumerator.Close();
}
}
// 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);
}
public virtual void Generate(MultiTermQuery query, IndexReader reader, TermEnum enumerator)
{
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++)
{
HandleDoc(docs[i]);
}
}
else
{
break;
}
}
}
while (enumerator.Next());
query.IncTotalNumberOfTerms(termCount); // {{Aroush-2.9}} is the use of 'temp' as is right?
}
finally
{
termDocs.Close();
}
}
public AnonymousClassScoreDocComparator(IndexReader reader, TermEnum enumerator, System.String field, AnonymousClassSortComparatorSource enclosingInstance)
{
InitBlock(reader, enumerator, field, enclosingInstance);
}
/// <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>
public static 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 (term.Field() != 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 override void Dispose(bool disposing)
{
if (isDisposed) return;
if (disposing)
{
if (actualEnum != null)
actualEnum.Close();
currentTerm = null;
actualEnum = null;
}
isDisposed = true;
}
/* Walk directory hierarchy in uid order, while keeping uid iterator from
/* existing index in sync. Mismatches indicate one of: (a) old documents to
/* be deleted; (b) unchanged documents, to be left alone; or (c) new
/* documents, to be indexed.
*/
private static void IndexDocs(System.IO.DirectoryInfo file, System.IO.DirectoryInfo index, bool create)
{
if (!create)
{
// incrementally update
reader = IndexReader.Open(FSDirectory.Open(index), false); // open existing index
uidIter = reader.Terms(new Term("uid", "")); // init uid iterator
IndexDocs(file);
if (deleting)
{
// delete rest of stale docs
while (uidIter.Term() != null && (System.Object) uidIter.Term().Field == (System.Object) "uid")
{
System.Console.Out.WriteLine("deleting " + HTMLDocument.Uid2url(uidIter.Term().Text));
reader.DeleteDocuments(uidIter.Term());
uidIter.Next();
}
deleting = false;
}
uidIter.Close(); // close uid iterator
reader.Close(); // close existing index
}
// don't have exisiting
else
IndexDocs(file);
}
