Exemple #1
0
        private void AddFixedSortedBytesField(FieldInfo field, IndexOutput data, IndexOutput index, IEnumerable <BytesRef> values, IEnumerable <long?> docToOrd, int length)
        {
            field.PutAttribute(legacyKey, LegacyDocValuesType.BYTES_FIXED_SORTED.ToString());

            CodecUtil.WriteHeader(data, Lucene40DocValuesFormat.BYTES_FIXED_SORTED_CODEC_NAME_DAT, Lucene40DocValuesFormat.BYTES_FIXED_SORTED_VERSION_CURRENT);

            CodecUtil.WriteHeader(index, Lucene40DocValuesFormat.BYTES_FIXED_SORTED_CODEC_NAME_IDX, Lucene40DocValuesFormat.BYTES_FIXED_SORTED_VERSION_CURRENT);

            /* values */

            data.WriteInt32(length);
            int valueCount = 0;

            foreach (BytesRef v in values)
            {
                data.WriteBytes(v.Bytes, v.Offset, v.Length);
                valueCount++;
            }

            /* ordinals */

            index.WriteInt32(valueCount);
            int maxDoc = state.SegmentInfo.DocCount;

            if (Debugging.AssertsEnabled)
            {
                Debugging.Assert(valueCount > 0);
            }
            PackedInt32s.Writer w = PackedInt32s.GetWriter(index, maxDoc, PackedInt32s.BitsRequired(valueCount - 1), PackedInt32s.DEFAULT);
            foreach (long n in docToOrd)
            {
                w.Add((long)n);
            }
            w.Finish();
        }
Exemple #2
0
        [ExceptionToNetNumericConvention] // LUCENENET: Private API, keeping as-is
        private void AddVarIntsField(FieldInfo field, IndexOutput output, IEnumerable <long?> values, long minValue, long maxValue)
        {
            field.PutAttribute(legacyKey, LegacyDocValuesType.VAR_INTS.ToString());

            CodecUtil.WriteHeader(output, Lucene40DocValuesFormat.VAR_INTS_CODEC_NAME, Lucene40DocValuesFormat.VAR_INTS_VERSION_CURRENT);

            long delta = maxValue - minValue;

            if (delta < 0)
            {
                // writes longs
                output.WriteByte((byte)Lucene40DocValuesFormat.VAR_INTS_FIXED_64);
                foreach (long?n in values)
                {
                    output.WriteInt64(n.GetValueOrDefault());
                }
            }
            else
            {
                // writes packed ints
                output.WriteByte((byte)Lucene40DocValuesFormat.VAR_INTS_PACKED);
                output.WriteInt64(minValue);
                output.WriteInt64(0 - minValue); // default value (representation of 0)
                PackedInt32s.Writer writer = PackedInt32s.GetWriter(output, state.SegmentInfo.DocCount, PackedInt32s.BitsRequired(delta), PackedInt32s.DEFAULT);
                foreach (long?n in values)
                {
                    writer.Add(n.GetValueOrDefault() - minValue);
                }
                writer.Finish();
            }
        }
Exemple #3
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            public override void Finish(long termsFilePointer)
            {
                // write primary terms dict offsets
                packedIndexStart = outerInstance.m_output.GetFilePointer();

                PackedInt32s.Writer w = PackedInt32s.GetWriter(outerInstance.m_output, numIndexTerms, PackedInt32s.BitsRequired(termsFilePointer), PackedInt32s.DEFAULT);

                // relative to our indexStart
                long upto = 0;

                for (int i = 0; i < numIndexTerms; i++)
                {
                    upto += termsPointerDeltas[i];
                    w.Add(upto);
                }
                w.Finish();

                packedOffsetsStart = outerInstance.m_output.GetFilePointer();

                // write offsets into the byte[] terms
                w    = PackedInt32s.GetWriter(outerInstance.m_output, 1 + numIndexTerms, PackedInt32s.BitsRequired(totTermLength), PackedInt32s.DEFAULT);
                upto = 0;
                for (int i = 0; i < numIndexTerms; i++)
                {
                    w.Add(upto);
                    upto += termLengths[i];
                }
                w.Add(upto);
                w.Finish();

                // our referrer holds onto us, while other fields are
                // being written, so don't tie up this RAM:
                termLengths        = null;
                termsPointerDeltas = null;
            }
Exemple #4
0
        private void AddVarSortedBytesField(FieldInfo field, IndexOutput data, IndexOutput index, IEnumerable <BytesRef> values, IEnumerable <long?> docToOrd)
        {
            field.PutAttribute(legacyKey, LegacyDocValuesType.BYTES_VAR_SORTED.ToString());

            CodecUtil.WriteHeader(data, Lucene40DocValuesFormat.BYTES_VAR_SORTED_CODEC_NAME_DAT, Lucene40DocValuesFormat.BYTES_VAR_SORTED_VERSION_CURRENT);

            CodecUtil.WriteHeader(index, Lucene40DocValuesFormat.BYTES_VAR_SORTED_CODEC_NAME_IDX, Lucene40DocValuesFormat.BYTES_VAR_SORTED_VERSION_CURRENT);

            /* values */

            long startPos = data.GetFilePointer();

            int valueCount = 0;

            foreach (BytesRef v in values)
            {
                data.WriteBytes(v.Bytes, v.Offset, v.Length);
                valueCount++;
            }

            /* addresses */

            long maxAddress = data.GetFilePointer() - startPos;

            index.WriteInt64(maxAddress);

            Debug.Assert(valueCount != int.MaxValue); // unsupported by the 4.0 impl

            PackedInt32s.Writer w = PackedInt32s.GetWriter(index, valueCount + 1, PackedInt32s.BitsRequired(maxAddress), PackedInt32s.DEFAULT);
            long currentPosition  = 0;

            foreach (BytesRef v in values)
            {
                w.Add(currentPosition);
                currentPosition += v.Length;
            }
            // write sentinel
            Debug.Assert(currentPosition == maxAddress);
            w.Add(currentPosition);
            w.Finish();

            /* ordinals */

            int maxDoc = state.SegmentInfo.DocCount;

            Debug.Assert(valueCount > 0);
            PackedInt32s.Writer ords = PackedInt32s.GetWriter(index, maxDoc, PackedInt32s.BitsRequired(valueCount - 1), PackedInt32s.DEFAULT);
            foreach (long n in docToOrd)
            {
                ords.Add((long)n);
            }
            ords.Finish();
        }
Exemple #5
0
        // NOTE: 4.0 file format docs are crazy/wrong here...
        private void AddVarStraightBytesField(FieldInfo field, IndexOutput data, IndexOutput index, IEnumerable <BytesRef> values)
        {
            field.PutAttribute(legacyKey, LegacyDocValuesType.BYTES_VAR_STRAIGHT.ToString());

            CodecUtil.WriteHeader(data, Lucene40DocValuesFormat.BYTES_VAR_STRAIGHT_CODEC_NAME_DAT, Lucene40DocValuesFormat.BYTES_VAR_STRAIGHT_VERSION_CURRENT);

            CodecUtil.WriteHeader(index, Lucene40DocValuesFormat.BYTES_VAR_STRAIGHT_CODEC_NAME_IDX, Lucene40DocValuesFormat.BYTES_VAR_STRAIGHT_VERSION_CURRENT);

            /* values */

            long startPos = data.Position; // LUCENENET specific: Renamed from getFilePointer() to match FileStream

            foreach (BytesRef v in values)
            {
                if (v != null)
                {
                    data.WriteBytes(v.Bytes, v.Offset, v.Length);
                }
            }

            /* addresses */

            long maxAddress = data.Position - startPos; // LUCENENET specific: Renamed from getFilePointer() to match FileStream

            index.WriteVInt64(maxAddress);

            int maxDoc = state.SegmentInfo.DocCount;

            if (Debugging.AssertsEnabled)
            {
                Debugging.Assert(maxDoc != int.MaxValue);                           // unsupported by the 4.0 impl
            }
            PackedInt32s.Writer w = PackedInt32s.GetWriter(index, maxDoc + 1, PackedInt32s.BitsRequired(maxAddress), PackedInt32s.DEFAULT);
            long currentPosition  = 0;

            foreach (BytesRef v in values)
            {
                w.Add(currentPosition);
                if (v != null)
                {
                    currentPosition += v.Length;
                }
            }
            // write sentinel
            if (Debugging.AssertsEnabled)
            {
                Debugging.Assert(currentPosition == maxAddress);
            }
            w.Add(currentPosition);
            w.Finish();
        }
Exemple #6
0
        private void AddFixedDerefBytesField(FieldInfo field, IndexOutput data, IndexOutput index, IEnumerable <BytesRef> values, int length)
        {
            field.PutAttribute(legacyKey, LegacyDocValuesType.BYTES_FIXED_DEREF.ToString());

            CodecUtil.WriteHeader(data, Lucene40DocValuesFormat.BYTES_FIXED_DEREF_CODEC_NAME_DAT, Lucene40DocValuesFormat.BYTES_FIXED_DEREF_VERSION_CURRENT);

            CodecUtil.WriteHeader(index, Lucene40DocValuesFormat.BYTES_FIXED_DEREF_CODEC_NAME_IDX, Lucene40DocValuesFormat.BYTES_FIXED_DEREF_VERSION_CURRENT);

            // deduplicate
            JCG.SortedSet <BytesRef> dictionary = new JCG.SortedSet <BytesRef>();
            foreach (BytesRef v in values)
            {
                dictionary.Add(v == null ? new BytesRef() : BytesRef.DeepCopyOf(v));
            }

            /* values */
            data.WriteInt32(length);
            foreach (BytesRef v in dictionary)
            {
                data.WriteBytes(v.Bytes, v.Offset, v.Length);
            }

            /* ordinals */
            int valueCount = dictionary.Count;

            if (Debugging.AssertsEnabled)
            {
                Debugging.Assert(valueCount > 0);
            }
            index.WriteInt32(valueCount);
            int maxDoc = state.SegmentInfo.DocCount;

            PackedInt32s.Writer w = PackedInt32s.GetWriter(index, maxDoc, PackedInt32s.BitsRequired(valueCount - 1), PackedInt32s.DEFAULT);

            BytesRef brefDummy;

            foreach (BytesRef v in values)
            {
                brefDummy = v;

                if (v == null)
                {
                    brefDummy = new BytesRef();
                }
                //int ord = dictionary.HeadSet(brefDummy).Size();
                int ord = dictionary.Count(@ref => @ref.CompareTo(brefDummy) < 0);
                w.Add(ord);
            }
            w.Finish();
        }
Exemple #7
0
        private void AddVarDerefBytesField(FieldInfo field, IndexOutput data, IndexOutput index, IEnumerable <BytesRef> values)
        {
            field.PutAttribute(legacyKey, LegacyDocValuesType.BYTES_VAR_DEREF.ToString());

            CodecUtil.WriteHeader(data, Lucene40DocValuesFormat.BYTES_VAR_DEREF_CODEC_NAME_DAT, Lucene40DocValuesFormat.BYTES_VAR_DEREF_VERSION_CURRENT);

            CodecUtil.WriteHeader(index, Lucene40DocValuesFormat.BYTES_VAR_DEREF_CODEC_NAME_IDX, Lucene40DocValuesFormat.BYTES_VAR_DEREF_VERSION_CURRENT);

            // deduplicate
            SortedSet <BytesRef> dictionary = new SortedSet <BytesRef>();

            foreach (BytesRef v in values)
            {
                dictionary.Add(v == null ? new BytesRef() : BytesRef.DeepCopyOf(v));
            }

            /* values */
            long startPosition  = data.GetFilePointer();
            long currentAddress = 0;
            Dictionary <BytesRef, long> valueToAddress = new Dictionary <BytesRef, long>();

            foreach (BytesRef v in dictionary)
            {
                currentAddress    = data.GetFilePointer() - startPosition;
                valueToAddress[v] = currentAddress;
                WriteVShort(data, v.Length);
                data.WriteBytes(v.Bytes, v.Offset, v.Length);
            }

            /* ordinals */
            long totalBytes = data.GetFilePointer() - startPosition;

            index.WriteInt64(totalBytes);
            int maxDoc = state.SegmentInfo.DocCount;

            PackedInt32s.Writer w = PackedInt32s.GetWriter(index, maxDoc, PackedInt32s.BitsRequired(currentAddress), PackedInt32s.DEFAULT);

            foreach (BytesRef v in values)
            {
                w.Add(valueToAddress[v == null ? new BytesRef() : v]);
            }
            w.Finish();
        }