Exemplo n.º 1
0
        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);
        }
Exemplo n.º 2
0
        public override System.Collections.BitArray Bits(IndexReader reader)
        {
            object coreKey    = reader.GetFieldCacheKey();
            object delCoreKey = reader.HasDeletions() ? reader.GetDeletesCacheKey() : coreKey;

            object cached = cache.Get(reader, coreKey, delCoreKey);

            if (cached != null)
            {
                if (cached is System.Collections.BitArray)
                {
                    return((System.Collections.BitArray)cached);
                }
                else if (cached is DocIdBitSet)
                {
                    return(((DocIdBitSet)cached).GetBitSet());
                }
                // It would be nice to handle the DocIdSet case, but that's not really possible
            }

            System.Collections.BitArray bits = filter.Bits(reader);

            if (bits != null)
            {
                cache.Put(coreKey, delCoreKey, bits);
            }

            return(bits);
        }
Exemplo n.º 3
0
        private SpanFilterResult GetCachedResult(IndexReader reader)
        {
            object coreKey    = reader.GetFieldCacheKey();
            object delCoreKey = reader.HasDeletions() ? reader.GetDeletesCacheKey() : coreKey;

            SpanFilterResult result = (SpanFilterResult)cache.Get(reader, coreKey, delCoreKey);

            if (result != null)
            {
                hitCount++;
                return(result);
            }

            missCount++;
            result = filter.BitSpans(reader);

            cache.Put(coreKey, delCoreKey, result);
            return(result);
        }
Exemplo n.º 4
0
		private SpanFilterResult GetCachedResult(IndexReader reader)
		{
            object coreKey = reader.GetFieldCacheKey();
            object delCoreKey = reader.HasDeletions() ? reader.GetDeletesCacheKey() : coreKey;

            SpanFilterResult result = (SpanFilterResult) cache.Get(reader, coreKey, delCoreKey);
            if (result != null) {
                hitCount++;
                return result;
            }

            missCount++;
            result = filter.BitSpans(reader);

            cache.Put(coreKey, delCoreKey, result);
            return result;
		}
Exemplo n.º 5
0
		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;
		}
Exemplo n.º 6
0
		public override System.Collections.BitArray Bits(IndexReader reader)
		{
			object coreKey = reader.GetFieldCacheKey();
            object delCoreKey = reader.HasDeletions() ? reader.GetDeletesCacheKey() : coreKey;

            object cached = cache.Get(reader, coreKey, delCoreKey);
			
			if (cached != null)
			{
				if (cached is System.Collections.BitArray)
				{
					return (System.Collections.BitArray) cached;
				}
				else if (cached is DocIdBitSet)
					return ((DocIdBitSet) cached).GetBitSet();
				// It would be nice to handle the DocIdSet case, but that's not really possible
			}
			
			System.Collections.BitArray bits = filter.Bits(reader);

            if (bits != null)
            {
                cache.Put(coreKey, delCoreKey, bits);
            }
			
			return bits;
		}