internal MatchAllScorer(MatchAllDocsQuery enclosingInstance, IndexReader reader, Similarity similarity, Weight w, byte[] norms):base(similarity)
{
InitBlock(enclosingInstance);
this.termDocs = reader.TermDocs(null);
score = w.Value;
this.norms = norms;
}
// Apply buffered delete terms, queries and docIDs to the
// provided reader
private bool ApplyDeletes(IndexReader reader, int docIDStart)
{
lock (this)
{
int docEnd = docIDStart + reader.MaxDoc;
bool any = false;
System.Diagnostics.Debug.Assert(CheckDeleteTerm(null));
// Delete by term
TermDocs docs = reader.TermDocs();
try
{
foreach(KeyValuePair<Term, BufferedDeletes.Num> entry in deletesFlushed.terms)
{
Term term = entry.Key;
// LUCENE-2086: we should be iterating a TreeMap,
// here, so terms better be in order:
System.Diagnostics.Debug.Assert(CheckDeleteTerm(term));
docs.Seek(term);
int limit = entry.Value.GetNum();
while (docs.Next())
{
int docID = docs.Doc;
if (docIDStart + docID >= limit)
break;
reader.DeleteDocument(docID);
any = true;
}
}
}
finally
{
docs.Close();
}
// Delete by docID
foreach(int docIdInt in deletesFlushed.docIDs)
{
int docID = docIdInt;
if (docID >= docIDStart && docID < docEnd)
{
reader.DeleteDocument(docID - docIDStart);
any = true;
}
}
// Delete by query
IndexSearcher searcher = new IndexSearcher(reader);
foreach(KeyValuePair<Query, int> entry in deletesFlushed.queries)
{
Query query = (Query) entry.Key;
int limit = (int)entry.Value;
Weight weight = query.Weight(searcher);
Scorer scorer = weight.Scorer(reader, true, false);
if (scorer != null)
{
while (true)
{
int doc = scorer.NextDoc();
if (((long) docIDStart) + doc >= limit)
break;
reader.DeleteDocument(doc);
any = true;
}
}
}
searcher.Close();
return any;
}
}
protected internal override System.Object CreateValue(IndexReader reader, Entry entryKey)
{
System.String field = StringHelper.Intern(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 || 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 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;
}
protected internal override System.Object CreateValue(IndexReader reader, Entry entryKey)
{
System.String field = StringHelper.Intern(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;
}
protected internal override System.Object CreateValue(IndexReader reader, Entry entryKey)
{
Entry entry = entryKey;
System.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 || (System.Object) term.Field != (System.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 System.Object CreateValue(IndexReader reader, Entry entryKey)
{
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)
{
}
finally
{
termDocs.Close();
termEnum.Close();
}
return retArray;
}
// constructor
internal ValueSourceScorer(ValueSourceQuery enclosingInstance, Similarity similarity, IndexReader reader, ValueSourceWeight w)
: base(similarity)
{
InitBlock(enclosingInstance);
this.weight = w;
this.qWeight = w.Value;
// this is when/where the values are first created.
vals = Enclosing_Instance.valSrc.GetValues(reader);
termDocs = reader.TermDocs(null);
}
public override Scorer Scorer(IndexReader reader, bool scoreDocsInOrder, bool topScorer)
{
TermDocs termDocs = reader.TermDocs(Enclosing_Instance.term);
if (termDocs == null)
return null;
return new TermScorer(this, termDocs, similarity, reader.Norms(Enclosing_Instance.term.Field));
}
public override Explanation Explain(IndexReader reader, int doc)
{
ComplexExplanation result = new ComplexExplanation();
result.Description = "weight(" + Query + " in " + doc + "), product of:";
Explanation expl = new Explanation(idf, idfExp.Explain());
// explain query weight
Explanation queryExpl = new Explanation();
queryExpl.Description = "queryWeight(" + Query + "), product of:";
Explanation boostExpl = new Explanation(Enclosing_Instance.Boost, "boost");
if (Enclosing_Instance.Boost != 1.0f)
queryExpl.AddDetail(boostExpl);
queryExpl.AddDetail(expl);
Explanation queryNormExpl = new Explanation(queryNorm, "queryNorm");
queryExpl.AddDetail(queryNormExpl);
queryExpl.Value = boostExpl.Value * expl.Value * queryNormExpl.Value;
result.AddDetail(queryExpl);
// explain field weight
System.String field = Enclosing_Instance.term.Field;
ComplexExplanation fieldExpl = new ComplexExplanation();
fieldExpl.Description = "fieldWeight(" + Enclosing_Instance.term + " in " + doc + "), product of:";
Explanation tfExplanation = new Explanation();
int tf = 0;
TermDocs termDocs = reader.TermDocs(enclosingInstance.term);
if (termDocs != null)
{
try
{
if (termDocs.SkipTo(doc) && termDocs.Doc == doc)
{
tf = termDocs.Freq;
}
}
finally
{
termDocs.Close();
}
tfExplanation.Value = similarity.Tf(tf);
tfExplanation.Description = "tf(termFreq(" + enclosingInstance.term + ")=" + tf + ")";
}
else
{
tfExplanation.Value = 0.0f;
tfExplanation.Description = "no matching term";
}
fieldExpl.AddDetail(tfExplanation);
fieldExpl.AddDetail(expl);
Explanation fieldNormExpl = new Explanation();
byte[] fieldNorms = reader.Norms(field);
float fieldNorm = fieldNorms != null?Similarity.DecodeNorm(fieldNorms[doc]):1.0f;
fieldNormExpl.Value = fieldNorm;
fieldNormExpl.Description = "fieldNorm(field=" + field + ", doc=" + doc + ")";
fieldExpl.AddDetail(fieldNormExpl);
fieldExpl.Match = tfExplanation.IsMatch;
fieldExpl.Value = tfExplanation.Value * expl.Value * fieldNormExpl.Value;
result.AddDetail(fieldExpl);
System.Boolean? tempAux = fieldExpl.Match;
result.Match = tempAux;
// combine them
result.Value = queryExpl.Value * fieldExpl.Value;
if (queryExpl.Value == 1.0f)
return fieldExpl;
return result;
}
protected internal virtual TermDocs TermDocs(IndexReader reader)
{
return term == null ? reader.TermDocs(null):reader.TermDocs();
}
