Example #1
0
        private IEnumerable <AnnotationAndOffset> GetAnnotationsAndOffsets(FastaDatabase database, out long estimatedProteins, CancellationToken?cancellationToken = null)
        {
            var indexedDb = new IndexedDatabase(database);

            indexedDb.Read();
            estimatedProteins = indexedDb.EstimateTotalPeptides(SearchMode, MinSequenceLength, MaxSequenceLength, MaxNumNTermCleavages, MaxNumCTermCleavages);
            IEnumerable <AnnotationAndOffset> annotationsAndOffsets;

            if (SearchMode == InternalCleavageType.MultipleInternalCleavages)
            {
                //annotationsAndOffsets = indexedDb.AnnotationsAndOffsetsNoEnzyme(MinSequenceLength, MaxSequenceLength);
                annotationsAndOffsets = indexedDb.AnnotationsAndOffsetsNoEnzymeParallel(MinSequenceLength, MaxSequenceLength, MaxNumThreads, cancellationToken);
            }
            else if (SearchMode == InternalCleavageType.NoInternalCleavage)
            {
                annotationsAndOffsets = indexedDb.IntactSequenceAnnotationsAndOffsets(MinSequenceLength, MaxSequenceLength, MaxNumCTermCleavages);
            }
            else
            {
                annotationsAndOffsets = indexedDb
                                        .SequenceAnnotationsAndOffsetsWithNtermOrCtermCleavageNoLargerThan(
                    MinSequenceLength, MaxSequenceLength, MaxNumNTermCleavages, MaxNumCTermCleavages);
            }

            return(annotationsAndOffsets);
        }
Example #2
0
        public void TestCountingPeptides()
        {
            var methodName = MethodBase.GetCurrentMethod().Name;

            TestUtils.ShowStarting(methodName);

            var sw = new System.Diagnostics.Stopwatch();

            sw.Start();

            const string dbFile = @"\\proto-2\UnitTest_Files\InformedProteomics_TestFiles\MSPathFinderT\Short.fasta";

            if (!File.Exists(dbFile))
            {
                Assert.Ignore(@"Skipping test {0} since file not found: {1}", methodName, dbFile);
            }

//            const string dbFile = @"C:\cygwin\home\kims336\Data\QCShew\ID_003456_9B916A8B.fasta";
//            const string dbFile = @"H:\Research\DDAPlus\database\Yeast_SGD_withContam.fasta";
//            const string dbFile = @"H:\Research\CPTAC_Phospho\database\ID_004208_295531A4.fasta";
            var db        = new FastaDatabase(dbFile);
            var indexedDb = new IndexedDatabase(db);
            //var numPeptides = indexedDb.IntactSequenceAnnotationsAndOffsets(21, 300, 0).LongCount()*31;
            var peptides = indexedDb
                           .SequenceAnnotationsAndOffsetsWithNtermOrCtermCleavageNoLargerThan(
                100, 300, 1, 0);
            var numPeptides = 0;

            foreach (var peptide in peptides)
            {
                Console.WriteLine("{0}\t{1}", peptide.Annotation, peptide.Offset);
                numPeptides++;
            }

            //var numPeptides = indexedDb.AnnotationsAndOffsetsNoEnzyme(7, 150).LongCount();
            //var numPeptides =
            //    indexedDb.AnnotationsAndOffsets(7, 40, 2, 2, Enzyme.Trypsin).LongCount();


            //var numPeptides = indexedDb.AnnotationsAndOffsets(6, 40, 2, 2, Enzyme.Trypsin).LongCount();
            //var numPeptides = indexedDb.IntactSequenceAnnotationsAndOffsets(30, 250, 0).LongCount();
            //    .Select(annotationAndSequence => annotationAndSequence.Annotation.Length - 4)
            //    .Aggregate(0L, (current, length) => current + Math.Min(length - 29, 30));

            Console.WriteLine("NumPeptides: {0}", numPeptides);
            sw.Stop();

            Console.WriteLine(@"{0:f4} sec", sw.Elapsed.TotalSeconds);
        }
Example #3
0
        public void TestCountingPeptides()
        {
            var methodName = MethodBase.GetCurrentMethod().Name;

            Utils.ShowStarting(methodName);

            var sw = new System.Diagnostics.Stopwatch();

            sw.Start();

            var fastaFile = Utils.GetTestFile(methodName, Path.Combine(Utils.DEFAULT_TEST_FILE_FOLDER, @"MSPathFinderT\Short.fasta"));

            var db        = new FastaDatabase(fastaFile.FullName);
            var indexedDb = new IndexedDatabase(db);
            //var numPeptides = indexedDb.IntactSequenceAnnotationsAndOffsets(21, 300, 0).LongCount()*31;
            var peptides = indexedDb
                           .SequenceAnnotationsAndOffsetsWithNtermOrCtermCleavageNoLargerThan(
                100, 300, 1, 0);
            var numPeptides = 0;

            foreach (var peptide in peptides)
            {
                if (numPeptides < 20)
                {
                    Console.WriteLine("{0}\t{1}", peptide.Annotation, peptide.Offset);
                }
                numPeptides++;
            }

            //var numPeptides = indexedDb.AnnotationsAndOffsetsNoEnzyme(7, 150).LongCount();
            //var numPeptides =
            //    indexedDb.AnnotationsAndOffsets(7, 40, 2, 2, Enzyme.Trypsin).LongCount();

            //var numPeptides = indexedDb.AnnotationsAndOffsets(6, 40, 2, 2, Enzyme.Trypsin).LongCount();
            //var numPeptides = indexedDb.IntactSequenceAnnotationsAndOffsets(30, 250, 0).LongCount();
            //    .Select(annotationAndSequence => annotationAndSequence.Annotation.Length - 4)
            //    .Aggregate(0L, (current, length) => current + Math.Min(length - 29, 30));

            Console.WriteLine("NumPeptides: {0}", numPeptides);
            sw.Stop();

            Console.WriteLine(@"{0:f4} sec", sw.Elapsed.TotalSeconds);
        }
Example #4
0
        [TestCase(15, @"TEST_FOLDER\MSPathFinderT\ID_004208_295531A4.fasta", 14862126)] // 15MB
        public void TestSequenceEnumerationNCTerm(double size, string dbFile, int expected)
        {
            var methodName = MethodBase.GetCurrentMethod().Name;

            Utils.ShowStarting(methodName, dbFile);

            var fastaFile = Utils.GetTestFile(methodName, dbFile.Replace("TEST_FOLDER", Utils.DEFAULT_TEST_FILE_FOLDER));

            var sw = new System.Diagnostics.Stopwatch();

            sw.Start();

            const int numNTermCleavages = 1;
            const int numCTermCleavages = 0;
            var       db           = new FastaDatabase(fastaFile.FullName);
            var       indexedDb    = new IndexedDatabase(db);
            var       numSequences = 0L;
            var       timeDB       = sw.Elapsed;

            Console.WriteLine("Read DB in " + timeDB.TotalSeconds + " Seconds");
            var estimatedAnnOff = indexedDb.EstimateTotalPeptides(1, 21, 300, numNTermCleavages, numCTermCleavages);
            var timeEstimate    = sw.Elapsed;

            Console.WriteLine("Read Estimate in " + (timeEstimate - timeDB).TotalSeconds + " Seconds");
            Console.WriteLine("Estimated results: " + estimatedAnnOff);
            var annotationsAndOffsets = indexedDb.SequenceAnnotationsAndOffsetsWithNtermOrCtermCleavageNoLargerThan(21, 300, numNTermCleavages, numCTermCleavages);
            var timeGetAnn            = sw.Elapsed;

            Console.WriteLine("Read Annotations in " + (timeGetAnn - timeEstimate).TotalSeconds + " Seconds");

            /*/Parallel.ForEach(
             *  annotationsAndOffsets,
             *  //                new ParallelOptions { MaxDegreeOfParallelism = 2},
             *  annotationAndOffset =>
             *  {
             *      Interlocked.Increment(ref numSequences);
             *      //++numSequences;
             *  }
             *  );/**/
            //using (var ofstream = new FileStream(Path.Combine(@"F:\InformedProteomicsTestFiles", Path.GetFileNameWithoutExtension(fastaFile) + "_par.txt"), FileMode.Create))
            //using (var fout = new StreamWriter(ofstream))
            //{
            //    foreach (var annOff in annotationsAndOffsets)
            //    {
            //        numSequences++;
            //        fout.WriteLine(annOff.Annotation);
            //    }
            //}
            //foreach (var sao in annotationsAndOffsets)
            //{
            //    numSequences++;
            //}
            numSequences = annotationsAndOffsets.Count();
            var timeParForEach = sw.Elapsed;

            Console.WriteLine("Parallel ForEach in " + (timeParForEach - timeGetAnn).TotalSeconds + " Seconds");

            Console.WriteLine("NumPeptides: {0}", numSequences);
            sw.Stop();

            Console.WriteLine(@"{0:f4} sec", sw.Elapsed.TotalSeconds);
            //Assert.AreEqual(188961836, numSequences);
            Assert.AreEqual(expected, numSequences);
        }