| public static Wrap ( Lucene.Net.Search.DocIdSet set, Lucene.Net.Util.Bits acceptDocs ) : Lucene.Net.Search.DocIdSet | ||
| set | Lucene.Net.Search.DocIdSet | Underlying DocIdSet. If {@code null}, this method returns {@code null} |
| acceptDocs | Lucene.Net.Util.Bits | Allowed docs, all docids not in this set will not be returned by this DocIdSet. /// If {@code null}, this method returns the original set without wrapping. |
| 리턴 | Lucene.Net.Search.DocIdSet | |
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(AtomicReaderContext context, IBits acceptDocs)
{
IBits docsWithField = FieldCache.DEFAULT.GetDocsWithField(((AtomicReader)context.Reader), field);
if (negate)
{
if (docsWithField is MatchAllBits)
{
return(null);
}
return(new FieldCacheDocIdSetAnonymousInnerClassHelper(this, context.AtomicReader.MaxDoc, acceptDocs, docsWithField));
}
else
{
if (docsWithField is MatchNoBits)
{
return(null);
}
if (docsWithField is DocIdSet)
{
// UweSays: this is always the case for our current impl - but who knows
// :-)
return(BitsFilteredDocIdSet.Wrap((DocIdSet)docsWithField, acceptDocs));
}
return(new FieldCacheDocIdSetAnonymousInnerClassHelper2(this, context.AtomicReader.MaxDoc, acceptDocs, docsWithField));
}
}
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 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));
}