public static SegmentFileName ( string segmentName, string segmentSuffix, string ext ) : string | ||
segmentName | string | |
segmentSuffix | string | |
ext | string | |
return | string |
internal SegmentCoreReaders(SegmentReader owner, Directory dir, SegmentCommitInfo si, IOContext context, int termsIndexDivisor) { fieldsReaderLocal = new AnonymousFieldsReaderLocal(this); termVectorsLocal = new AnonymousTermVectorsLocal(this); if (termsIndexDivisor == 0) { throw new ArgumentException("indexDivisor must be < 0 (don't load terms index) or greater than 0 (got 0)"); } Codec codec = si.Info.Codec; Directory cfsDir; // confusing name: if (cfs) its the cfsdir, otherwise its the segment's directory. bool success = false; try { if (si.Info.UseCompoundFile) { cfsDir = cfsReader = new CompoundFileDirectory(dir, IndexFileNames.SegmentFileName(si.Info.Name, "", IndexFileNames.COMPOUND_FILE_EXTENSION), context, false); } else { cfsReader = null; cfsDir = dir; } FieldInfos fieldInfos = owner.FieldInfos; this.termsIndexDivisor = termsIndexDivisor; PostingsFormat format = codec.PostingsFormat; SegmentReadState segmentReadState = new SegmentReadState(cfsDir, si.Info, fieldInfos, context, termsIndexDivisor); // Ask codec for its Fields fields = format.FieldsProducer(segmentReadState); Debug.Assert(fields != null); // ask codec for its Norms: // TODO: since we don't write any norms file if there are no norms, // kinda jaky to assume the codec handles the case of no norms file at all gracefully?! if (fieldInfos.HasNorms) { normsProducer = codec.NormsFormat.NormsProducer(segmentReadState); Debug.Assert(normsProducer != null); } else { normsProducer = null; } fieldsReaderOrig = si.Info.Codec.StoredFieldsFormat.FieldsReader(cfsDir, si.Info, fieldInfos, context); if (fieldInfos.HasVectors) // open term vector files only as needed { termVectorsReaderOrig = si.Info.Codec.TermVectorsFormat.VectorsReader(cfsDir, si.Info, fieldInfos, context); } else { termVectorsReaderOrig = null; } success = true; } finally { if (!success) { DecRef(); } } }
internal SegmentCoreReaders(SegmentReader owner, Directory dir, SegmentCommitInfo si, IOContext context, int termsIndexDivisor) { fieldsReaderLocal = new AnonymousFieldsReaderLocal(this); termVectorsLocal = new AnonymousTermVectorsLocal(this); if (termsIndexDivisor == 0) { throw new System.ArgumentException("indexDivisor must be < 0 (don't load terms index) or greater than 0 (got 0)"); } Codec codec = si.Info.Codec; Directory cfsDir; // confusing name: if (cfs) its the cfsdir, otherwise its the segment's directory. bool success = false; try { if (si.Info.UseCompoundFile) { cfsDir = cfsReader = new CompoundFileDirectory(dir, IndexFileNames.SegmentFileName(si.Info.Name, "", IndexFileNames.COMPOUND_FILE_EXTENSION), context, false); } else { cfsReader = null; cfsDir = dir; } FieldInfos fieldInfos = owner.FieldInfos; this.termsIndexDivisor = termsIndexDivisor; PostingsFormat format = codec.PostingsFormat; SegmentReadState segmentReadState = new SegmentReadState(cfsDir, si.Info, fieldInfos, context, termsIndexDivisor); // Ask codec for its Fields fields = format.FieldsProducer(segmentReadState); Debug.Assert(fields != null); // ask codec for its Norms: // TODO: since we don't write any norms file if there are no norms, // kinda jaky to assume the codec handles the case of no norms file at all gracefully?! if (fieldInfos.HasNorms) { normsProducer = codec.NormsFormat.NormsProducer(segmentReadState); Debug.Assert(normsProducer != null); } else { normsProducer = null; } // LUCENENET TODO: EXCEPTIONS Not sure why this catch block is swallowing AccessViolationException, // because it didn't exist in Lucene. Is it really needed? AVE is for protected memory...could // this be needed because we are using unchecked?? #if !NETSTANDARD try { #endif fieldsReaderOrig = si.Info.Codec.StoredFieldsFormat.FieldsReader(cfsDir, si.Info, fieldInfos, context); #if !NETSTANDARD } #pragma warning disable 168 catch (System.AccessViolationException ave) #pragma warning restore 168 { } #endif if (fieldInfos.HasVectors) // open term vector files only as needed { termVectorsReaderOrig = si.Info.Codec.TermVectorsFormat.VectorsReader(cfsDir, si.Info, fieldInfos, context); } else { termVectorsReaderOrig = null; } success = true; } finally { if (!success) { DecRef(); } } }