public SortedSetDocValuesWriter(FieldInfo fieldInfo, Counter iwBytesUsed) { this.FieldInfo = fieldInfo; this.IwBytesUsed = iwBytesUsed; Hash = new BytesRefHash(new ByteBlockPool(new ByteBlockPool.DirectTrackingAllocator(iwBytesUsed)), BytesRefHash.DEFAULT_CAPACITY, new DirectBytesStartArray(BytesRefHash.DEFAULT_CAPACITY, iwBytesUsed)); Pending = new AppendingPackedLongBuffer(PackedInts.COMPACT); PendingCounts = new AppendingDeltaPackedLongBuffer(PackedInts.COMPACT); BytesUsed = Pending.RamBytesUsed() + PendingCounts.RamBytesUsed(); iwBytesUsed.AddAndGet(BytesUsed); }
/// <summary> /// Creates an ordinal map that allows mapping ords to/from a merged /// space from <code>subs</code>. </summary> /// <param name="owner"> a cache key </param> /// <param name="subs"> TermsEnums that support <seealso cref="TermsEnum#ord()"/>. They need /// not be dense (e.g. can be FilteredTermsEnums}. </param> /// <exception cref="IOException"> if an I/O error occurred. </exception> public OrdinalMap(object owner, TermsEnum[] subs) { // create the ordinal mappings by pulling a termsenum over each sub's // unique terms, and walking a multitermsenum over those this.Owner = owner; GlobalOrdDeltas = new MonotonicAppendingLongBuffer(PackedInts.COMPACT); FirstSegments = new AppendingPackedLongBuffer(PackedInts.COMPACT); OrdDeltas = new MonotonicAppendingLongBuffer[subs.Length]; for (int i = 0; i < OrdDeltas.Length; i++) { OrdDeltas[i] = new MonotonicAppendingLongBuffer(); } long[] segmentOrds = new long[subs.Length]; ReaderSlice[] slices = new ReaderSlice[subs.Length]; TermsEnumIndex[] indexes = new TermsEnumIndex[slices.Length]; for (int i = 0; i < slices.Length; i++) { slices[i] = new ReaderSlice(0, 0, i); indexes[i] = new TermsEnumIndex(subs[i], i); } MultiTermsEnum mte = new MultiTermsEnum(slices); mte.Reset(indexes); long globalOrd = 0; while (mte.Next() != null) { TermsEnumWithSlice[] matches = mte.MatchArray; for (int i = 0; i < mte.MatchCount; i++) { int segmentIndex = matches[i].Index; long segmentOrd = matches[i].Terms.Ord(); long delta = globalOrd - segmentOrd; // for each unique term, just mark the first segment index/delta where it occurs if (i == 0) { FirstSegments.Add(segmentIndex); GlobalOrdDeltas.Add(delta); } // for each per-segment ord, map it back to the global term. while (segmentOrds[segmentIndex] <= segmentOrd) { OrdDeltas[segmentIndex].Add(delta); segmentOrds[segmentIndex]++; } } globalOrd++; } FirstSegments.Freeze(); GlobalOrdDeltas.Freeze(); for (int i = 0; i < OrdDeltas.Length; ++i) { OrdDeltas[i].Freeze(); } }