| using Lucene.Net.Index; |
| using Lucene.Net.Store; |
| using Lucene.Net.Util; |
| using System; |
| |
| namespace Lucene.Net.Codecs.Lucene3x |
| { |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #pragma warning disable 612, 618 |
| internal class PreFlexRWTermVectorsFormat : Lucene3xTermVectorsFormat |
| { |
| public override TermVectorsWriter VectorsWriter(Directory directory, SegmentInfo segmentInfo, IOContext context) |
| { |
| return new PreFlexRWTermVectorsWriter(directory, segmentInfo.Name, context); |
| } |
| |
| public override TermVectorsReader VectorsReader(Directory directory, SegmentInfo segmentInfo, FieldInfos fieldInfos, IOContext context) |
| { |
| return new Lucene3xTermVectorsReaderAnonymousInnerClassHelper(directory, segmentInfo, fieldInfos, context); |
| } |
| |
| private class Lucene3xTermVectorsReaderAnonymousInnerClassHelper : Lucene3xTermVectorsReader |
| { |
| public Lucene3xTermVectorsReaderAnonymousInnerClassHelper(Directory directory, SegmentInfo segmentInfo, FieldInfos fieldInfos, IOContext context) |
| : base(directory, segmentInfo, fieldInfos, context) |
| { |
| } |
| |
| protected internal override bool SortTermsByUnicode() |
| { |
| |
| // We carefully peek into stack track above us: if |
| // we are part of a "merge", we must sort by UTF16: |
| bool unicodeSortOrder = true; |
| |
| // LUCENENET specific: for these to work in release mode, we have added [MethodImpl(MethodImplOptions.NoInlining)] |
| // to each possible target of the StackTraceHelper. If these change, so must the attribute on the target methods. |
| if (StackTraceHelper.DoesStackTraceContainMethod("Merge")) |
| { |
| unicodeSortOrder = false; |
| if (LuceneTestCase.Verbose) |
| { |
| Console.WriteLine("NOTE: PreFlexRW codec: forcing legacy UTF16 vector term sort order"); |
| } |
| } |
| |
| return unicodeSortOrder; |
| } |
| } |
| } |
| #pragma warning restore 612, 618 |
| } |