Esempio n. 1
0
        /// <summary>
        /// writes the transcript to the binary writer
        /// </summary>
        public void Write(IExtendedBinaryWriter writer, Dictionary <IGene, int> geneIndices,
                          Dictionary <ITranscriptRegion, int> transcriptRegionIndices, Dictionary <IInterval, int> microRnaIndices,
                          Dictionary <string, int> peptideIndices)
        {
            // transcript
            writer.WriteOpt(Chromosome.Index);
            writer.WriteOpt(Start);
            writer.WriteOpt(End);
            // ReSharper disable once ImpureMethodCallOnReadonlyValueField
            Id.Write(writer);

            // gene
            writer.WriteOpt(GetIndex(Gene, geneIndices));

            // encoded data
            var encoded = EncodedTranscriptData.GetEncodedTranscriptData(BioType, CdsStartNotFound, CdsEndNotFound,
                                                                         Source, IsCanonical, SiftIndex != -1, PolyPhenIndex != -1, MicroRnas != null, RnaEdits != null,
                                                                         Selenocysteines != null, TranscriptRegions != null, Translation != null, StartExonPhase);

            encoded.Write(writer);

            // transcript regions
            if (encoded.HasTranscriptRegions)
            {
                WriteIndices(writer, TranscriptRegions, transcriptRegionIndices);
            }
            writer.WriteOpt(NumExons);

            // protein function predictions
            if (encoded.HasSift)
            {
                writer.WriteOpt(SiftIndex);
            }
            if (encoded.HasPolyPhen)
            {
                writer.WriteOpt(PolyPhenIndex);
            }

            // translation
            if (encoded.HasTranslation)
            {
                // ReSharper disable once PossibleNullReferenceException
                var peptideIndex = GetIndex(Translation.PeptideSeq, peptideIndices);
                Translation.Write(writer, peptideIndex);
            }

            // attributes
            if (encoded.HasMirnas)
            {
                WriteIndices(writer, MicroRnas, microRnaIndices);
            }
            if (encoded.HasRnaEdits)
            {
                WriteItems(writer, RnaEdits, (x, y) => x.Write(y));
            }
            if (encoded.HasSelenocysteines)
            {
                WriteItems(writer, Selenocysteines, (x, y) => y.WriteOpt(x));
            }
        }
Esempio n. 2
0
        public static ITranscript Read(BufferedBinaryReader reader,
                                       IDictionary <ushort, IChromosome> chromosomeIndexDictionary, IGene[] cacheGenes,
                                       ITranscriptRegion[] cacheTranscriptRegions, IInterval[] cacheMirnas, string[] cachePeptideSeqs)
        {
            // transcript
            var referenceIndex = reader.ReadOptUInt16();
            var start          = reader.ReadOptInt32();
            var end            = reader.ReadOptInt32();
            var id             = CompactId.Read(reader);

            // gene
            var geneIndex = reader.ReadOptInt32();
            var gene      = cacheGenes[geneIndex];

            // encoded data
            var encoded = EncodedTranscriptData.Read(reader);

            // transcript regions
            var    transcriptRegions = encoded.HasTranscriptRegions ? ReadIndices(reader, cacheTranscriptRegions) : null;
            ushort numExons          = reader.ReadOptUInt16();

            // protein function predictions
            int siftIndex     = encoded.HasSift     ? reader.ReadOptInt32() : -1;
            int polyphenIndex = encoded.HasPolyPhen ? reader.ReadOptInt32() : -1;

            // translation
            var translation = encoded.HasTranslation ? DataStructures.Translation.Read(reader, cachePeptideSeqs) : null;

            // attributes
            var mirnas          = encoded.HasMirnas          ? ReadIndices(reader, cacheMirnas)         : null;
            var rnaEdits        = encoded.HasRnaEdits        ? ReadItems(reader, RnaEdit.Read)          : null;
            var selenocysteines = encoded.HasSelenocysteines ? ReadItems(reader, x => x.ReadOptInt32()) : null;

            return(new Transcript(chromosomeIndexDictionary[referenceIndex], start, end, id, translation,
                                  encoded.BioType, gene, ExonUtilities.GetTotalExonLength(transcriptRegions), encoded.StartExonPhase,
                                  encoded.IsCanonical, transcriptRegions, numExons, mirnas, siftIndex, polyphenIndex,
                                  encoded.TranscriptSource, encoded.CdsStartNotFound, encoded.CdsEndNotFound, selenocysteines, rnaEdits));
        }