/// <summary> /// Loads the segment information at segment load time. /// </summary> /// <param name="indexEnum"> /// The term enum. </param> /// <param name="indexDivisor"> /// The index divisor. </param> /// <param name="tiiFileLength"> /// The size of the tii file, used to approximate the size of the /// buffer. </param> /// <param name="totalIndexInterval"> /// The total index interval. </param> public TermInfosReaderIndex(SegmentTermEnum indexEnum, int indexDivisor, long tiiFileLength, int totalIndexInterval) { this.totalIndexInterval = totalIndexInterval; indexSize = 1 + ((int)indexEnum.size - 1) / indexDivisor; skipInterval = indexEnum.skipInterval; // this is only an inital size, it will be GCed once the build is complete long initialSize = (long)(tiiFileLength * 1.5) / indexDivisor; PagedBytes dataPagedBytes = new PagedBytes(EstimatePageBits(initialSize)); PagedBytesDataOutput dataOutput = dataPagedBytes.GetDataOutput(); int bitEstimate = 1 + MathUtil.Log(tiiFileLength, 2); GrowableWriter indexToTerms = new GrowableWriter(bitEstimate, indexSize, PackedInt32s.DEFAULT); string currentField = null; IList <string> fieldStrs = new List <string>(); int fieldCounter = -1; for (int i = 0; indexEnum.Next(); i++) { Term term = indexEnum.Term(); if (currentField == null || !currentField.Equals(term.Field, StringComparison.Ordinal)) { currentField = term.Field; fieldStrs.Add(currentField); fieldCounter++; } TermInfo termInfo = indexEnum.TermInfo(); indexToTerms.Set(i, dataOutput.GetPosition()); dataOutput.WriteVInt32(fieldCounter); dataOutput.WriteString(term.Text()); dataOutput.WriteVInt32(termInfo.DocFreq); if (termInfo.DocFreq >= skipInterval) { dataOutput.WriteVInt32(termInfo.SkipOffset); } dataOutput.WriteVInt64(termInfo.FreqPointer); dataOutput.WriteVInt64(termInfo.ProxPointer); dataOutput.WriteVInt64(indexEnum.indexPointer); for (int j = 1; j < indexDivisor; j++) { if (!indexEnum.Next()) { break; } } } fields = new Term[fieldStrs.Count]; for (int i = 0; i < fields.Length; i++) { fields[i] = new Term(fieldStrs[i]); } dataPagedBytes.Freeze(true); dataInput = dataPagedBytes.GetDataInput(); indexToDataOffset = indexToTerms.Mutable; ramBytesUsed = fields.Length * (RamUsageEstimator.NUM_BYTES_OBJECT_REF + RamUsageEstimator.ShallowSizeOfInstance(typeof(Term))) + dataPagedBytes.RamBytesUsed() + indexToDataOffset.RamBytesUsed(); }
public BinaryDocValuesWriter(FieldInfo fieldInfo, Counter iwBytesUsed) { this.fieldInfo = fieldInfo; this.bytes = new PagedBytes(BLOCK_BITS); this.bytesOut = bytes.GetDataOutput(); this.lengths = new AppendingDeltaPackedInt64Buffer(PackedInt32s.COMPACT); this.iwBytesUsed = iwBytesUsed; this.docsWithField = new FixedBitSet(64); this.bytesUsed = DocsWithFieldBytesUsed(); iwBytesUsed.AddAndGet(bytesUsed); }