| public abstract GetDocIdSet ( Lucene.Net.Index.IndexReader reader ) : Lucene.Net.Search.DocIdSet | ||
| reader | Lucene.Net.Index.IndexReader | |
| return | Lucene.Net.Search.DocIdSet | |
public override DocIdSet GetDocIdSet(IndexReader reader)
{
object coreKey = reader.GetFieldCacheKey();
object delCoreKey = reader.HasDeletions() ? reader.GetDeletesCacheKey() : coreKey;
object cached = cache.Get(reader, coreKey, delCoreKey);
if (cached != null)
{
hitCount++;
if (cached is DocIdSet)
{
return((DocIdSet)cached);
}
else
{
return(new DocIdBitSet((System.Collections.BitArray)cached));
}
}
missCount++;
// cache miss
DocIdSet docIdSet = DocIdSetToCache(filter.GetDocIdSet(reader), reader);
if (docIdSet != null)
{
cache.Put(coreKey, delCoreKey, docIdSet);
}
return(docIdSet);
}
public virtual Explanation Explain(IndexReader ir, int i)
{
Explanation inner = weight.Explain(ir, i);
if (Enclosing_Instance.GetBoost() != 1)
{
Explanation preBoost = inner;
inner = new Explanation(inner.GetValue() * Enclosing_Instance.GetBoost(), "product of:");
inner.AddDetail(new Explanation(Enclosing_Instance.GetBoost(), "boost"));
inner.AddDetail(preBoost);
}
Filter f = Enclosing_Instance.filter;
DocIdSetIterator docIdSetIterator = f.GetDocIdSet(ir).Iterator();
if (docIdSetIterator.SkipTo(i) && docIdSetIterator.Doc() == i)
{
return(inner);
}
else
{
Explanation result = new Explanation(0.0f, "failure to match filter: " + f.ToString());
result.AddDetail(inner);
return(result);
}
}
private void SearchWithFilter(IndexReader reader, Weight weight, Filter filter, Collector collector)
{
DocIdSet docIdSet = filter.GetDocIdSet(reader);
if (docIdSet == null)
return;
Scorer scorer = weight.Scorer(reader, true, false);
if (scorer == null)
return;
scorer.DocID();
DocIdSetIterator docIdSetIterator = docIdSet.Iterator();
if (docIdSetIterator == null)
return;
int target = docIdSetIterator.NextDoc();
int num = scorer.Advance(target);
collector.SetScorer(scorer);
while (true)
{
while (num != target)
{
if (num > target)
target = docIdSetIterator.Advance(num);
else
num = scorer.Advance(target);
}
if (num != DocIdSetIterator.NO_MORE_DOCS && !((GroupCollector)collector).GroupLimitReached)
{
collector.Collect(num);
target = docIdSetIterator.NextDoc();
num = scorer.Advance(target);
}
else
break;
}
}
private static void AssertDocIdSetCacheable(IndexReader reader, Filter filter, bool shouldCacheable)
{
Assert.IsTrue(reader.Context is AtomicReaderContext);
AtomicReaderContext context = (AtomicReaderContext)reader.Context;
CachingWrapperFilter cacher = new CachingWrapperFilter(filter);
DocIdSet originalSet = filter.GetDocIdSet(context, (context.AtomicReader).LiveDocs);
DocIdSet cachedSet = cacher.GetDocIdSet(context, (context.AtomicReader).LiveDocs);
if (originalSet == null)
{
Assert.IsNull(cachedSet);
}
if (cachedSet == null)
{
Assert.IsTrue(originalSet == null || originalSet.GetIterator() == null);
}
else
{
Assert.IsTrue(cachedSet.IsCacheable);
Assert.AreEqual(shouldCacheable, originalSet.IsCacheable);
//System.out.println("Original: "+originalSet.getClass().getName()+" -- cached: "+cachedSet.getClass().getName());
if (originalSet.IsCacheable)
{
Assert.AreEqual(originalSet.GetType(), cachedSet.GetType(), "Cached DocIdSet must be of same class like uncached, if cacheable");
}
else
{
Assert.IsTrue(cachedSet is FixedBitSet || cachedSet == null, "Cached DocIdSet must be an FixedBitSet if the original one was not cacheable");
}
}
}
public override DocIdSet GetDocIdSet(IndexReader reader)
{
object coreKey = reader.GetFieldCacheKey();
object delCoreKey = reader.HasDeletions() ? reader.GetDeletesCacheKey() : coreKey;
DocIdSet docIdSet = cache.Get(reader, coreKey, delCoreKey);
if (docIdSet != null)
{
hitCount++;
return(docIdSet);
}
missCount++;
// cache miss
docIdSet = DocIdSetToCache(filter.GetDocIdSet(reader), reader);
if (docIdSet != null)
{
cache.Put(coreKey, delCoreKey, docIdSet);
}
return(docIdSet);
}
public override Explanation Explain(IndexReader ir, int i)
{
Explanation inner = weight.Explain(ir, i);
if (Enclosing_Instance.GetBoost() != 1)
{
Explanation preBoost = inner;
inner = new Explanation(inner.GetValue() * Enclosing_Instance.GetBoost(), "product of:");
inner.AddDetail(new Explanation(Enclosing_Instance.GetBoost(), "boost"));
inner.AddDetail(preBoost);
}
Filter f = Enclosing_Instance.filter;
DocIdSet docIdSet = f.GetDocIdSet(ir);
DocIdSetIterator docIdSetIterator = docIdSet == null?DocIdSet.EMPTY_DOCIDSET.Iterator() : docIdSet.Iterator();
if (docIdSetIterator == null)
{
docIdSetIterator = DocIdSet.EMPTY_DOCIDSET.Iterator();
}
if (docIdSetIterator.Advance(i) == i)
{
return(inner);
}
else
{
Explanation result = new Explanation(0.0f, "failure to match filter: " + f.ToString());
result.AddDetail(inner);
return(result);
}
}
public override DocIdSet GetDocIdSet(AtomicReaderContext context, IBits acceptDocs)
{
var reader = context.AtomicReader;
object key = reader.CoreCacheKey;
if (_cache.TryGetValue(key, out DocIdSet docIdSet) && docIdSet != null)
{
hitCount++;
}
else
{
missCount++;
docIdSet = DocIdSetToCache(_filter.GetDocIdSet(context, null), reader);
if (Debugging.AssertsEnabled)
{
Debugging.Assert(docIdSet.IsCacheable);
}
#if FEATURE_CONDITIONALWEAKTABLE_ADDORUPDATE
_cache.AddOrUpdate(key, docIdSet);
#else
_cache[key] = docIdSet;
#endif
}
return(docIdSet == EMPTY_DOCIDSET ? null : BitsFilteredDocIdSet.Wrap(docIdSet, acceptDocs));
}
public override DocIdSet GetDocIdSet(IndexReader reader)
{
if (cache == null)
{
cache = new System.Collections.Hashtable();
}
lock (cache.SyncRoot)
{
// check cache
DocIdSet cached = (DocIdSet)cache[reader];
if (cached != null)
{
return(cached);
}
}
DocIdSet docIdSet = filter.GetDocIdSet(reader);
lock (cache.SyncRoot)
{
// update cache
cache[reader] = docIdSet;
}
return(docIdSet);
}
private void SearchWithFilter(IndexReader reader, Weight weight, Filter filter, Collector collector, IState state)
{
System.Diagnostics.Debug.Assert(filter != null);
Scorer scorer = weight.Scorer(reader, true, false, state);
if (scorer == null)
{
return;
}
int docID = scorer.DocID();
System.Diagnostics.Debug.Assert(docID == -1 || docID == DocIdSetIterator.NO_MORE_DOCS);
// CHECKME: use ConjunctionScorer here?
DocIdSet filterDocIdSet = filter.GetDocIdSet(reader, state);
if (filterDocIdSet == null)
{
// this means the filter does not accept any documents.
return;
}
DocIdSetIterator filterIter = filterDocIdSet.Iterator(state);
if (filterIter == null)
{
// this means the filter does not accept any documents.
return;
}
int filterDoc = filterIter.NextDoc(state);
int scorerDoc = scorer.Advance(filterDoc, state);
collector.SetScorer(scorer);
while (true)
{
if (scorerDoc == filterDoc)
{
// Check if scorer has exhausted, only before collecting.
if (scorerDoc == DocIdSetIterator.NO_MORE_DOCS)
{
break;
}
collector.Collect(scorerDoc, state);
filterDoc = filterIter.NextDoc(state);
scorerDoc = scorer.Advance(filterDoc, state);
}
else if (scorerDoc > filterDoc)
{
filterDoc = filterIter.Advance(scorerDoc, state);
}
else
{
scorerDoc = scorer.Advance(filterDoc, state);
}
}
}
private void TstFilterCard(String mes, int expected, Filter filt)
{
DocIdSetIterator disi = filt.GetDocIdSet(reader).Iterator();
int actual = 0;
while (disi.NextDoc() != DocIdSetIterator.NO_MORE_DOCS)
{
actual++;
}
Assert.AreEqual(expected, actual, mes);
}
private void TstFilterCard(String mes, int expected, Filter filt)
{
DocIdSetIterator disi = filt.GetDocIdSet(reader).Iterator();
int actual = 0;
while (disi.NextDoc() != DocIdSetIterator.NO_MORE_DOCS)
{
actual++;
}
Assert.AreEqual(expected, actual, mes);
}
public override BitArray Bits(IndexReader reader)
{
BitArray bits = new BitArray(reader.MaxDoc());
DocIdSetIterator it = filter.GetDocIdSet(reader).Iterator();
int doc = DocIdSetIterator.NO_MORE_DOCS;
while ((doc = it.NextDoc()) != DocIdSetIterator.NO_MORE_DOCS)
{
bits.Set(doc, true);
}
return(bits);
}
private static void assertDocIdSetCacheable(IndexReader reader, Filter filter, bool shouldCacheable)
{
CachingWrapperFilter cacher = new CachingWrapperFilter(filter);
DocIdSet originalSet = filter.GetDocIdSet(reader);
DocIdSet cachedSet = cacher.GetDocIdSet(reader);
Assert.IsTrue(cachedSet.IsCacheable);
Assert.AreEqual(shouldCacheable, originalSet.IsCacheable);
//System.out.println("Original: "+originalSet.getClass().getName()+" -- cached: "+cachedSet.getClass().getName());
if (originalSet.IsCacheable)
{
Assert.AreEqual(originalSet.GetType(), cachedSet.GetType(), "Cached DocIdSet must be of same class like uncached, if cacheable");
}
else
{
Assert.IsTrue(cachedSet is OpenBitSetDISI, "Cached DocIdSet must be an OpenBitSet if the original one was not cacheable");
}
}
// inherit javadoc
public override void Search(Weight weight, Filter filter, HitCollector results)
{
Scorer scorer = weight.Scorer(reader);
if (scorer == null)
{
return;
}
if (filter == null)
{
scorer.Score(results);
return;
}
DocIdSetIterator filterDocIdIterator = filter.GetDocIdSet(reader).Iterator(); // CHECKME: use ConjunctionScorer here?
bool more = filterDocIdIterator.Next() && scorer.SkipTo(filterDocIdIterator.Doc());
while (more)
{
int filterDocId = filterDocIdIterator.Doc();
if (filterDocId > scorer.Doc() && !scorer.SkipTo(filterDocId))
{
more = false;
}
else
{
int scorerDocId = scorer.Doc();
if (scorerDocId == filterDocId) // permitted by filter
{
results.Collect(scorerDocId, scorer.Score());
more = filterDocIdIterator.Next();
}
else
{
more = filterDocIdIterator.SkipTo(scorerDocId);
}
}
}
}
private List<FacetMatch> FindMatchesInQuery(Facet facet, Filter query, Filter filter, IndexReader indexReader)
{
var matches = facet.Values.Select(value =>
{
var bitsQuery = new OpenBitSetDISI(query.GetDocIdSet(indexReader).Iterator(), indexReader.MaxDoc());
bitsQuery.And(value.Item2);
if (filter != null)
{
//TODO: Remove this hard coded value (1000)
var bitsFilter = new OpenBitSetDISI(filter.GetDocIdSet(indexReader).Iterator(), 1000);
bitsQuery.And(bitsFilter);
}
var count = bitsQuery.Cardinality();
return new FacetMatch() { Count = count, Value = value.Item1, Id = facet.Id };
}).ToList();
return matches;
}
public override DocIdSet GetDocIdSet(AtomicReaderContext context, IBits acceptDocs)
{
var reader = context.AtomicReader;
object key = reader.CoreCacheKey;
DocIdSet docIdSet = _cache[key];
if (docIdSet != null)
{
hitCount++;
}
else
{
missCount++;
docIdSet = DocIdSetToCache(_filter.GetDocIdSet(context, null), reader);
Debug.Assert(docIdSet.IsCacheable);
_cache[key] = docIdSet;
}
return(docIdSet == EMPTY_DOCIDSET ? null : BitsFilteredDocIdSet.Wrap(docIdSet, acceptDocs));
}
public override Explanation Explain(AtomicReaderContext ir, int i)
{
Explanation inner = weight.Explain(ir, i);
Filter f = outerInstance.filter;
DocIdSet docIdSet = f.GetDocIdSet(ir, ir.AtomicReader.LiveDocs);
DocIdSetIterator docIdSetIterator = docIdSet == null?DocIdSetIterator.GetEmpty() : docIdSet.GetIterator();
if (docIdSetIterator == null)
{
docIdSetIterator = DocIdSetIterator.GetEmpty();
}
if (docIdSetIterator.Advance(i) == i)
{
return(inner);
}
else
{
Explanation result = new Explanation(0.0f, "failure to match filter: " + f.ToString());
result.AddDetail(inner);
return(result);
}
}
public override DocIdSet GetDocIdSet(IndexReader reader)
{
if (cache == null)
{
cache = new SupportClass.WeakHashTable();
}
System.Object cached = null;
lock (cache.SyncRoot)
{
// check cache
cached = cache[reader];
}
if (cached != null)
{
if (cached is DocIdSet)
{
return((DocIdSet)cached);
}
else
{
return(new DocIdBitSet((System.Collections.BitArray)cached));
}
}
DocIdSet docIdSet = DocIdSetToCache(filter.GetDocIdSet(reader), reader);
if (docIdSet != null)
{
lock (cache.SyncRoot)
{
// update cache
cache[reader] = docIdSet;
}
}
return(docIdSet);
}
public override DocIdSet GetDocIdSet(AtomicReaderContext context, IBits acceptDocs)
{
var reader = context.AtomicReader;
object key = reader.CoreCacheKey;
if (cache.TryGetValue(key, out DocIdSet docIdSet))
{
hitCount++;
}
else
{
missCount++;
docIdSet = DocIdSetToCache(filter.GetDocIdSet(context, null), reader);
if (Debugging.AssertsEnabled)
{
Debugging.Assert(docIdSet.IsCacheable);
}
#if FEATURE_CONDITIONALWEAKTABLE_ENUMERATOR
cache.AddOrUpdate(key, docIdSet);
#else
UninterruptableMonitor.Enter(cache);
try
{
cache.AddOrUpdate(key, docIdSet);
// LUCENENET specific - since .NET Standard 2.0 and .NET Framework don't have a CondtionalWeakTable enumerator,
// we use a weak event to retrieve the DocIdSet instances
reader.SubscribeToGetCacheKeysEvent(eventAggregator.GetEvent <Events.GetCacheKeysEvent>());
}
finally
{
UninterruptableMonitor.Exit(cache);
}
#endif
}
return(docIdSet == EMPTY_DOCIDSET ? null : BitsFilteredDocIdSet.Wrap(docIdSet, acceptDocs));
}
public override void Search(Weight weight, Filter filter, Collector results)
{
IndexReader reader = IndexReader;
bool doValidate = false;
FacetHitCollector[] facetCollectors = this.facetCollectors.ToArray();
foreach (FacetHitCollector facetCollector in facetCollectors)
{
if (facetCollector.PostDocIDSetIterator != null)
{
doValidate = true;
break;
}
}
Scorer scorer = weight.Scorer(reader, true, false);
if (scorer == null)
{
return;
}
results.SetScorer(scorer);
if (filter == null)
{
while (scorer.NextDoc()!=DocIdSetIterator.NO_MORE_DOCS)
{
int doc = scorer.DocID();
if (validateAndIncrement(doc, facetCollectors, doValidate))
{
results.Collect(doc);
}
}
return;
}
DocIdSetIterator filterDocIdIterator = filter.GetDocIdSet(reader).Iterator(); // CHECKME: use ConjunctionScorer here?
bool more = filterDocIdIterator.NextDoc() != DocIdSetIterator.NO_MORE_DOCS && scorer.Advance(filterDocIdIterator.DocID()) != DocIdSetIterator.NO_MORE_DOCS;
while (more)
{
int filterDocId = filterDocIdIterator.DocID();
if (filterDocId > scorer.DocID() && scorer.Advance(filterDocId)==DocIdSetIterator.NO_MORE_DOCS)
{
more = false;
}
else
{
int scorerDocId = scorer.DocID();
if (scorerDocId == filterDocId) // permitted by filter
{
if (validateAndIncrement(scorerDocId, facetCollectors, doValidate))
{
results.Collect(scorerDocId);
}
more = filterDocIdIterator.NextDoc()!=DocIdSetIterator.NO_MORE_DOCS;
}
else
{
more = filterDocIdIterator.Advance(scorerDocId) != DocIdSetIterator.NO_MORE_DOCS;
}
}
}
}
private DocIdSetIterator getDISI(Filter filter, IndexReader reader)
{
DocIdSet docIdSet = filter.GetDocIdSet(reader);
if (docIdSet == null)
{
return DocIdSet.EMPTY_DOCIDSET.Iterator();
}
else
{
DocIdSetIterator iter = docIdSet.Iterator();
if (iter == null)
{
return DocIdSet.EMPTY_DOCIDSET.Iterator();
}
else
{
return iter;
}
}
}
/// <summary> Uses the {@link FilterManager} to keep the cache for a filter on the
/// searcher side of a remote connection.
/// </summary>
/// <param name="reader">the index reader for the Filter
/// </param>
/// <returns> the DocIdSet
/// </returns>
public override DocIdSet GetDocIdSet(IndexReader reader)
{
Filter cachedFilter = FilterManager.GetInstance().GetFilter(filter);
return(cachedFilter.GetDocIdSet(reader));
}
public OpenBitSetDISI GetBitSetFromFilter(Filter filter, IndexReader indexReader)
{
var bitSet = new OpenBitSetDISI(filter.GetDocIdSet(indexReader).Iterator(), indexReader.MaxDoc());
return bitSet;
}
private Document GetParentDoc(IndexReader reader, Filter parents, int childDocID)
{
IList<AtomicReaderContext> leaves = reader.Leaves;
int subIndex = ReaderUtil.SubIndex(childDocID, leaves);
AtomicReaderContext leaf = leaves[subIndex];
FixedBitSet bits = (FixedBitSet)parents.GetDocIdSet(leaf, null);
return leaf.AtomicReader.Document(bits.NextSetBit(childDocID - leaf.DocBase));
}
// inherit javadoc
public override void Search(Weight weight, Filter filter, HitCollector results)
{
Scorer scorer = weight.Scorer(reader);
if (scorer == null)
return;
if (filter == null)
{
scorer.Score(results);
return;
}
DocIdSetIterator filterDocIdIterator = filter.GetDocIdSet(reader).Iterator(); // CHECKME: use ConjunctionScorer here?
bool more = filterDocIdIterator.Next() && scorer.SkipTo(filterDocIdIterator.Doc());
while (more)
{
int filterDocId = filterDocIdIterator.Doc();
if (filterDocId > scorer.Doc() && !scorer.SkipTo(filterDocId))
{
more = false;
}
else
{
int scorerDocId = scorer.Doc();
if (scorerDocId == filterDocId) // permitted by filter
{
results.Collect(scorerDocId, scorer.Score());
more = filterDocIdIterator.Next();
}
else
{
more = filterDocIdIterator.SkipTo(scorerDocId);
}
}
}
}
private static void assertDocIdSetCacheable(IndexReader reader, Filter filter, bool shouldCacheable)
{
CachingWrapperFilter cacher = new CachingWrapperFilter(filter);
DocIdSet originalSet = filter.GetDocIdSet(reader);
DocIdSet cachedSet = cacher.GetDocIdSet(reader);
Assert.IsTrue(cachedSet.IsCacheable());
Assert.AreEqual(shouldCacheable, originalSet.IsCacheable());
//System.out.println("Original: "+originalSet.getClass().getName()+" -- cached: "+cachedSet.getClass().getName());
if (originalSet.IsCacheable())
{
Assert.AreEqual(originalSet.GetType(), cachedSet.GetType(), "Cached DocIdSet must be of same class like uncached, if cacheable");
}
else
{
Assert.IsTrue(cachedSet is OpenBitSetDISI, "Cached DocIdSet must be an OpenBitSet if the original one was not cacheable");
}
}
private void TstFilterCard(string mes, int expected, Filter filt)
{
DocIdSet docIdSet = filt.GetDocIdSet(reader.AtomicContext, reader.LiveDocs);
int actual = 0;
if (docIdSet != null)
{
DocIdSetIterator disi = docIdSet.GetIterator();
while (disi.NextDoc() != DocIdSetIterator.NO_MORE_DOCS)
{
actual++;
}
}
assertEquals(mes, expected, actual);
}
public override void Search(Weight weight, Filter filter, Collector results)
{
IndexReader reader = IndexReader;
Scorer scorer = weight.Scorer(reader, true, false);
if (scorer == null)
{
return;
}
results.SetScorer(scorer);
results.SetNextReader(reader, 0);
FacetValidator validator = CreateFacetValidator();
int target = 0;
bool more;
if (filter == null)
{
more = scorer.NextDoc()!=DocIdSetIterator.NO_MORE_DOCS;
while (more)
{
target = scorer.DocID();
if (validator.Validate(target))
{
results.Collect(target);
more = scorer.NextDoc()!=DocIdSetIterator.NO_MORE_DOCS;
}
else
{
target = validator.NextTarget;
more = scorer.Advance(target) != DocIdSetIterator.NO_MORE_DOCS;
}
}
return;
}
DocIdSetIterator filterDocIdIterator = filter.GetDocIdSet(reader).Iterator(); // CHECKME: use ConjunctionScorer here?
target = filterDocIdIterator.NextDoc();
if (target == DocIdSetIterator.NO_MORE_DOCS)
{
return;
}
int doc = -1;
while (true)
{
if (doc < target)
{
doc = scorer.Advance(target);
if (doc == DocIdSetIterator.NO_MORE_DOCS)
{
break;
}
}
if (doc == target) // permitted by filter
{
if (validator.Validate(doc))
{
results.Collect(doc);
target = filterDocIdIterator.NextDoc();
if (target == DocIdSetIterator.NO_MORE_DOCS)
{
break;
}
else
{
continue;
}
}
else
{
// skip to the next possible docid
target = validator.NextTarget;
}
}
else // doc > target
{
target = doc;
}
target = filterDocIdIterator.Advance(target);
if (target == DocIdSetIterator.NO_MORE_DOCS)
{
break;
}
}
}
private DocIdSetIterator GetDISI(Filter filter, AtomicReaderContext context)
{
// we dont pass acceptDocs, we will filter at the end using an additional filter
DocIdSet docIdSet = filter.GetDocIdSet(context, null);
if (docIdSet == null)
{
return DocIdSetIterator.Empty();
}
else
{
DocIdSetIterator iter = docIdSet.GetIterator();
if (iter == null)
{
return DocIdSetIterator.Empty();
}
else
{
return iter;
}
}
}
public DocumentFilteredAtomicIndexReader(AtomicReaderContext context, Filter preserveFilter, bool negateFilter)
: base(context.AtomicReader)
{
int maxDoc = @in.MaxDoc;
FixedBitSet bits = new FixedBitSet(maxDoc);
// ignore livedocs here, as we filter them later:
DocIdSet docs = preserveFilter.GetDocIdSet(context, null);
if (docs != null)
{
DocIdSetIterator it = docs.GetIterator();
if (it != null)
{
bits.Or(it);
}
}
if (negateFilter)
{
bits.Flip(0, maxDoc);
}
if (@in.HasDeletions)
{
Bits oldLiveDocs = @in.LiveDocs;
Debug.Assert(oldLiveDocs != null);
DocIdSetIterator it = bits.GetIterator();
for (int i = it.NextDoc(); i < maxDoc; i = it.NextDoc())
{
if (!oldLiveDocs.Get(i))
{
// we can safely modify the current bit, as the iterator already stepped over it:
bits.Clear(i);
}
}
}
this.liveDocs = bits;
this.numDocs_Renamed = bits.Cardinality();
}
private void SearchWithFilter(IndexReader reader, Weight weight, Filter filter, Collector collector)
{
System.Diagnostics.Debug.Assert(filter != null);
Scorer scorer = weight.Scorer(reader, true, false);
if (scorer == null)
{
return ;
}
int docID = scorer.DocID();
System.Diagnostics.Debug.Assert(docID == - 1 || docID == DocIdSetIterator.NO_MORE_DOCS);
// CHECKME: use ConjunctionScorer here?
DocIdSet filterDocIdSet = filter.GetDocIdSet(reader);
if (filterDocIdSet == null)
{
// this means the filter does not accept any documents.
return ;
}
DocIdSetIterator filterIter = filterDocIdSet.Iterator();
if (filterIter == null)
{
// this means the filter does not accept any documents.
return ;
}
int filterDoc = filterIter.NextDoc();
int scorerDoc = scorer.Advance(filterDoc);
collector.SetScorer(scorer);
while (true)
{
if (scorerDoc == filterDoc)
{
// Check if scorer has exhausted, only before collecting.
if (scorerDoc == DocIdSetIterator.NO_MORE_DOCS)
{
break;
}
collector.Collect(scorerDoc);
filterDoc = filterIter.NextDoc();
scorerDoc = scorer.Advance(filterDoc);
}
else if (scorerDoc > filterDoc)
{
filterDoc = filterIter.Advance(scorerDoc);
}
else
{
scorerDoc = scorer.Advance(filterDoc);
}
}
}
private static void AssertDocIdSetCacheable(IndexReader reader, Filter filter, bool shouldCacheable)
{
Assert.IsTrue(reader.Context is AtomicReaderContext);
AtomicReaderContext context = (AtomicReaderContext)reader.Context;
CachingWrapperFilter cacher = new CachingWrapperFilter(filter);
DocIdSet originalSet = filter.GetDocIdSet(context, ((AtomicReader)context.Reader()).LiveDocs);
DocIdSet cachedSet = cacher.GetDocIdSet(context, ((AtomicReader)context.Reader()).LiveDocs);
if (originalSet == null)
{
Assert.IsNull(cachedSet);
}
if (cachedSet == null)
{
Assert.IsTrue(originalSet == null || originalSet.GetIterator() == null);
}
else
{
Assert.IsTrue(cachedSet.Cacheable);
Assert.AreEqual(shouldCacheable, originalSet.Cacheable);
//System.out.println("Original: "+originalSet.getClass().getName()+" -- cached: "+cachedSet.getClass().getName());
if (originalSet.Cacheable)
{
Assert.AreEqual(originalSet.GetType(), cachedSet.GetType(), "Cached DocIdSet must be of same class like uncached, if cacheable");
}
else
{
Assert.IsTrue(cachedSet is FixedBitSet || cachedSet == null, "Cached DocIdSet must be an FixedBitSet if the original one was not cacheable");
}
}
}