/// <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(Monodoc.Lucene.Net.Index.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);
}
// inherit javadocs
public virtual float[] GetFloats(Monodoc.Lucene.Net.Index.IndexReader reader, System.String field)
{
field = String.Intern(field);
System.Object ret = Lookup(reader, field, SortField.FLOAT);
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 ((System.Object)term.Field() != (System.Object)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, SortField.FLOAT, retArray);
return(retArray);
}
return((float[])ret);
}
// inherit javadocs
public virtual System.IComparable[] GetCustom(Monodoc.Lucene.Net.Index.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 ((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();
}
}
Store(reader, field, SortField.CUSTOM, retArray);
return(retArray);
}
return((System.IComparable[])ret);
}
// inherit javadocs
public virtual StringIndex GetStringIndex(Monodoc.Lucene.Net.Index.IndexReader reader, System.String field)
{
field = String.Intern(field);
System.Object ret = Lookup(reader, field, Monodoc.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 ((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 + "\"");
}
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, Monodoc.Lucene.Net.Search.FieldCache_Fields.STRING_INDEX, value_Renamed);
return(value_Renamed);
}
return((StringIndex)ret);
}